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A
"I have had a number of problems over the years with my Unico high velocity system, which are generally pretty idiosyncratic. I've had a number of people in" and everyone seemed to have their own theory about what to do, but problems inevitably resurfaced, I think largely because the techs were applying their conventional forced air knowledge and experience to a system that is just a bit different. came in and gave me an idea of what was really wrong (too few outlets resulting in insufficient airflow across the evaporator) and gave me an honest assessment of what it was going to cost to fix. I haven't had a problem with the AC since. I've also had problems with my water boilers, which and his guys have demonstrated a lot of patience in troubleshooting. All this while I was out of town half the time and difficult to get in touch with. He was flexible about who let him in, when, and how we handled the billing. While they're probably not the cheapest guys around, they honestly know what they're doing and to me competence is valuable. if you need Unico service in the Baltimore area, they're the ones you want.

-Timothy S.

A
"great. ceiling in office on 1st floor fell through from water accumulation. identified problem and fixed it. This was a follow .up from" a previous service call for another source of the leak which involved defective caulking around the wall mounted faucet handles in the shower. I was so pleased with service from previous repairs and electrical projects that I have a service plan with them. My house is 115 years old and needs quite a bit of TLC. My first call for plumbing and electrical is

-Bettie S.

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Local Articles in Baltimore

Hiring an HVAC service

The awkward-to-pronounce acronym stands for "heating, ventilation and air conditioning" which in many respects are completely different processes.

HVAC technician at work

HVAC Maintenance

You can help your home's heating and cooling systems work more efficiently and last longer by tending to regular maintenance. Some tasks, such as changing the furnace filter, can easily be done by the homeowner.

home inspector in the attic (Photo by Photo by Sara Cozolino)

As a home seller, there's nothing more nerve-wracking than waiting for the results of the buyer's home inspection.

Smart thermostat

On this episode of the Chat with the Experts podcast, Chris Cunningham shares tips to keep your home heating system running smoothly all winter long.

For an efficient and long-lasting furnace and air conditioner, look beyond the utility room. (Photo by Summer Galyan)

Want to avoid replacing your furnace or A/C sooner than necessary? These tips will keep air flowing efficiently for years to come.

HVAC system panel

Check your HVAC manufacturer's recommendations for best air filter options for your home's HVAC system.

Angie's Answers

?
what should you pay.  You pay what you can afford.  1100sqft unit requires a min. of a two ton unit.  prices range from 2100-2900 depending upon the seers of the system.  13 seer is the min. the law requires  and for your situation with 1100 sqft.  do not worry about the seers as long as it is to code.  the bigger the house the more seers for economy.  1100 sqft is at the border line for a two ton system.  It is more important to have your new system balance, there is where you get the economy on your electric bill and gas.  Bryant, lenox, ruud and carrier are the brands you should stay with.All have the same basic factory warrantee and will last you longer than you expect as long as you maintain it with regular check ups twice a year once in the spring and then in the fall.

raymond gonzalez
koolray heating and air
 clarksville,tn
?
The only thing of importance, is the hvac professional you choose to use. Alot of manufacturer's pieces are built relatively the same, and will last about the same amount of time. The thing that matters most is what you can not compare between companies, and that is the installation. Purchasing a system is not like purchasing a car, where no matter where you buy it, they are all the same. Each installation is different, and usually what you are paying for is the level of expertise, and quality of the installation, the company who will actual give you the warranty, and the comfort that you will receive. Manufacturers warranties disappear every day. They always have a loophole where they can get out of paying, but your local dealer wants to keep you happy for future work, and to protect his reputation in the communiy. Look up 4 year old Nordyne and Goodman warranty problems. Choose the HVAC professional first. It will cost you the least in the long run. I have had to totally redo plenty of installations that were just performed because of an uncomfortable customer, and a system that keeps breaking down. The equipment is only as good as it's installation, and over 70% are not installed correctly.
?
Yes Jupiter. It depends on the severity of the situation, is the mold encapsulated in the insulation. If yes, than replace [insulation] it with new. Is it on the casing of the heater? If yes, clean it with a mold neutralizing metal cleaner. It's not a matter of finding something or someone to clean or address the existing mold. It's a matter of finding a contractor to rectify what is causing the mold grow. It's coming from excessive moisture in the air-handler unit. I can say with 100% surety you’re dealing with poor airflow and/or incorrect equipment sizing! Either issue will cause excessive icing of the evaporator coil, which leads to excessive condensate water in the system. The condensate will eventually overflow the drain pan leaving stagnant water in the air-handler housing, which leads to mold growth. I would not let any contractor do any kind of temporary repair, add any device like a UV light or air-cleaning product until the aforementioned is corrected. I talk a lot about this in my videos and on my website. It is the result of improper system design from unqualified contractors. There is a reason why some guys cost more than others, and this is one reason why!




?
I'd rate them equal,or close,as with several other brands. I'd be more concerned about the difference in installation and service down the road. Difficult to determine the difference ,but asking for detailed info about their installation,may convince you to choose one over the other.

The Dept. of Energy states that poor installations can cause a 30% efficiency loss! Plus with Gas their are saftey issues,venting properly etc.,and of couse the need for a "low Level" Carbon Monoxide Alarm.
?
I think maybe you are confusing SEER, which is an efficiency-related rating (higher SEER means more effective use of the electric power used to compress the gas), and TONS rating, which is a measure of the total cooling power of the system. (Tons used to mean how many tons per hour of ice was used in evaporative cooling building systems - a Refrigeration or Cooling Ton equals 12,000 Btu/Hour of energy exchange. A BTU, which is another antique measure but still used, is the energy needed to change the temperature of a pound of water one degree fahrenheit. Unfortunately, because of varying humidity and evaporation, this is not readily related to house air heating or cooling without a lot of assumptions and some computations. Relating this to today's world - the Manuals BayAreaAc referred to account for all these energy conversions and determine an estimated cooling (or heating) requirement for your specific house. The type of construction, solar exposure, general climatic conditions such as average temperatures, humidity, and hottest and coldest normal ambient temperatures and desired inside temperture are all taken into account in the more sophisticated versions of the analysis, so there is no "standard", though a rough old rule of thumb was about 1 ton of cooling per 500SF of house. Obviously, this was a WAG only because it did not account for insulation, type of roofing, whether you live in Alaska or Miami, etc. The ACCA manuals do a very simplified form of evaluation to arrive at a "design", which generally will be adequate. OF course, highly precise calculations are not really needed because A/C units generally come in even ton ratings - so if you are at say 2.6 ton requirement you will be getting a 3-ton unit anyway. SEER ratings are not a direct measure of efficiency, but the relative difference between ratings gives you good idea of the unit's relative efficency in using electricity - so a 16 SEER should be about 19% more efficient (so roughly comparable lower electricity bill) than a comparably sized 13 SEER unit. 13 SEER is the lowest efficiency currently allowed to be built for general use, 19 SEER is about the highest efficiency made by pretty much all manufacturers, and about 25 SEER is the highest rated though very pricey shelf-item units, though special construction custom units can reach about 30 SEER. Note however, like any government sponsored rating, much of it is hooey when you get down to it - for instance, SEER ratings are figured based on 80 degree inside air temp and 82 degrees outside, when that is far from the normal case of mid to low seventies inside and high eighties or above outdoors. This makes the absolute SEER rating meaningless, but relative numbers still have meaning in comparing units. Note these efficiency ratings are for conventional air conditoners and heat pumps working in ambient air conditions. Ground sourced Geothermal or lake/river exchange cooling units, though initially more expensive in most cases, can greatly exceed the air-exchange unit efficiencies because they are exchanging heat with cold natural water rather than with a high-temperature outside air, and instead of continually compressing a gas are just circulating cold water. I worked on one geothermal cooling project which had almost infinite efficiency, which of course makes no sense - but the only power was for sensors and a control valve as the water flow was single-pass under gravity flow, so no power was used to circulate the water.
?

Assuming you already have an installed units with all ductwork and so forth, small square footage furnace and AC can generally run anywhere form $2000-$5000 for each unit, or about $4000-10000 for a combined unit, depending on ease of installation, etc. This assumes your existing plumbing, electrical, ductwork, etc are directed suitable, so it is merely a matter of cutting  in a new unit and hooking it up. The lowest price would be for a minimally efficient unit, the upper number for highest efficiency.

If you are changing the type of heat (baseboard to forced air or electric to gas, for instance) or installing AC from scratch, then running power, ductwork, etc can up to double that number.

If you live near the coast (and depending on how hot you will let the condo get before cooling kicks in) the cost savings of a high efficiency unit might not pay for itself. Of course, if you are in the San Gabriel Mountains and really need winter heat, or in the Mohave desert or inland valley area and really need serious air conditioning, then a high efficiency unit (which can cost twice as much) might pay for itself in 5-10 years.

Your utility company (companies if gas heat with electric AC) can help with guides on how much your savings might be with different efficiencies, and may have an energy efficiency rebate program for efficient units. Also, the California Energy Commission has information and online calculators for that, as well as rebate programs for energy efficiency. There is also a federal energy efficiency rebate program (though it is generally limited to a tax credit equal to 10% of the cost of energy efficient retrofits, unless it is considered an "alternative energy" system). Pay attnetion to these energy rebate programs - I have a neighbor who, between state and federal program, had the entire cost of his insulation upgrade and furnace/hot wate heater system replacement covered in toto, except for few hundred $ for the initial energy audit. About $8000 in work for about $300, with about $100/month reduction in gas bills.

As always with condo units, check with the condo manager and the bylaws to find out what the rules are - some condos require matching units or installation by a certain contractor for ease of maintenance, and in many condos the heating and AC are actually the responsibility of the condo association or the bylaws require that the association handle the installation but you pay the cost, etc. Also, major work of this type usually has to be coordinated with the condo manager, and there may be time of day limitations on work hours, etc.

And of course make sure your HVAC contractor, if you end up choosing him, is licensed, bonded, insured, and well recommended, and whether any repairs to walls, floors, ceiling etc necessitated by replacing the system are or are not covered in his bid (he would subcontract this out, or more likely tell you that you need a general contractor to supervize plumber, electrician, plasterer, painter, flooring contractor, etc).

Hvac reviews in Baltimore

A

Rating
and his assistant was very professional. They were knowledgeable of the task and very detail-oriented. They also did a great job with the clean-up!
- Aisha A.
F

Rating
The plumber was very kind and professional. He searched for the problem (a bit hurriedly) and said they would have to tear into the wall to diagnose it, which he apologized but said would cost a lot. Then he left and I never heard back from their company--I called them to follow up and they said they would get in touch with me. They never did. I ...More called another company, who came out and spent much more time diagnosing it. Since the second company knew that tearing into the wall to diagnose it would cost a lot, they tried to exhaust all other possible causes first. After taking quite a bit of time to replace the caulking around the toilet upstairs, the problem was solved! Not sure why and Heating couldn't have taken the time to make a proper diagnosis, or why they never got back in touch with me after they came by once, even though I had expressed that the problem was urgent. The plumber was a very nice guy, but I couldn't understand the company's big mistakes--rush to (mis)diagnose, and their lack of communication with me.
- Yousuf A.
B

Rating
Costs about $17 month which is reasonable, but the markup on filters is outrageous - $80 = for what I can get for under $40 on Amazon - same brand and filter. I understand this is how they make up money for the otherwise inexpensive 2 x year maintenance.
- Carroll N.
C

Rating
There is 1 year warranty with them for anything that goes wrong including labor and parts. I have had a few questions and problems come up. They are never available and do not return my calls until I have gotten in touch with them several times. They seem to give me the run around and do not want to stand by their work. I called and left a message ...More on 10-17. I got a phone call about 6 days later and they said they would come and look at the roof. He never showed up and did not respond to my text asking if he was coming either.
- Bonnie T.
A

Rating
I called at . approximately August 14 and he was able to come out to help me August 15. My air conditioning system had started to leak water onto my basement floor. took care of the problem. He replaced a part, cleaned it up, etc. Wonderful!
- Sonya K.
F

Rating
came out as scheduled...spent 5 minutes in basement and then told me I had serious crack in my boiler heating element...and that it could not be fixed...and that I needed a new boiler...and that boiler was not holding pressure... I had other companies come out and tell me the complete opposite...that there was no crack...it was holding pressure...and ...More that I did not need a boiler... of course I got 5 calls from this company in 3 days to sell me new boiler...
not happy...
































- Eric B.
A

Rating
The service was very good and the technician was professional. He answered all the questions I asked him and he performed a satisfactory work.
- George V.
A

Rating
Everything went great! Service provider was here when he said and did a fantastic job with the install. We have been very happy with the product and service.
- Elana F.

HVAC Contractors in Baltimore

Companies below are listed in alphabetical order. To view top rated service providers along with reviews and ratings, Join Angie's List Now!

1st class handyman

portship rd
Dundalk

1~866~PLUMBER

406 Tollgate Road

24/7 Express Repair Network & Hotline

2505 Lord Baltimore Dr.
Windsor Mill

A & A ABILITY HEATING

1811 JACKSON ST
Baltimore

A & A HEATING OIL CO

4625 ASBURY AVE
Baltimore

A M Gable

104 Dale Rd
Pasadena

A Plus Air Flow

119 S Potomac St
Baltimore

A Plus Comfort Inc.

1601 Dulaney Dr
Jarrettsville

A Quality Heating & Air Conditioning Inc

1584 Deer Park Rd
Finksburg

A#1 Abatement Inc

4420 N Point Blvd
Sparrows Point

A&J CONSTRUCTION

114 BIRCKHEAD ST
Baltimore

A-1 Plumbing of Baltimore

2546 Sportsman Way

A-1 REPAIRS LLC

11006 VEIRS MILL RD
Silver Spring

A-Air Service

Route 140 (off of)
Finksburg

A-Z Contracting LLC

1414 Stoney Point Way
Stoney Beach

AAA AIR CONDITIONING & HEATING

2907 TAYLOR AVE
Parkville

AAction Home Repairs

8324 Veterans Hwy
Millersville

AAD Mechanical

P.O. Box 543
Pasadena

ABC PLUMBING & HEATING CO INC

5625 NORTH LN
Baltimore

Abend Plumbing And Heating LLC

407 Bon Air Ave
Brooklyn

About Time Windows

100 N. Essex Ave
Essex

ACADIA PLUMBING LLC

1717 S CHARLES ST
Baltimore

Accel Plumbing and Heating

14029 Monticello Dr
Cooksville

ACE OF DIAMONDS CHIMNEY SWEEP

6921 Golden Ring Rd
Rosedale

Additions Etc LLC

2513 Steel Ave
Edgemere

Affordable Aire & Refrigeration

13131 Blue Ridge Rd
Hagerstown

AG appliance repair

2812 rockrose ave

Ahmed Construction LLC

5315 Liberty Heights Ave
Baltimore

Air Comfort Plus Handyman Services

1323 Huntover Dr
Odenton

Air Comfort Pros

Gaithersburg

Air Duct Pros Inc

5102 Leeds Ave
Halethorpe

Air Source Inc.

2611 Arthur Avenue
Eldersburg

AIR SYSTEMS INC

806A BARKWOOD CRT
Linthicum Heights

Air Tech Refrigeration & Mechanical Contractors, I

404 BOWLEYS QUARTERS RD.
Middle River

Aire Serve Of Columbia

1005 Frederick Road
Baltimore

AIRE-CRAFT HEATING & COOLING

1215 67th Street
Rosedale

AIRECO SUPPLY INC

1102 RUSSELL ST
Baltimore

AIRECO SUPPLY INC

8860 Gorman Road
Laurel

AIRPRO MECHANICAL SERVICES

3351 CORRIDOR MARKET PLACE
Laurel

Airwiz Clean Air

22700 Ridge Rd
Germantown

AJ Michaels

4512 York Rd
Baltimore

ALIANCE FUEL CO.

2700 LOCH RAVEN RD
Baltimore

All About Everything HVAC & Maintenance

322 Sunset Dr Unit 3
Ocean City

All Good Home Inc

5 Ridout St
Annapolis

ALL PRO SERVICE

PO BOX 115
Davidsonville

All Seasons Heating & Cooling

1510 Caton Center Drive
Baltimore

all service pro

Silver Spring

All Services Heating & Cooling, Inc.

6407 Fort Smallwood Rd
Baltimore

ALL STATE PLBG HTG & COOLING

4505 LEEDS AVE
Baltimore

ALL STATE PLUMBING

PO BOX 125
Upperco

All Steamed Up, Inc.

310 CENTRE AVE
Towson

Allen Construction Group LLC

3821 Yolando Rd
Baltimore

ALLIED PLUMBING & HEATING

PO Box 4653
Lutherville Timonium

Allied-Phillips, Inc.

2403 Old Mountain Road Central
Joppa

Alpha Plumbing

8813 Fort Smallwood Rd
Pasadena

Alvey's Heating & Cooling

1414 evergreen rd

Amazing Heating & Air Conditioning Inc

1922 Light Street
Baltimore

Ambient Cooling & Heating LLC

PO Box 1191
Glen Burnie

American Contracting Services Inc

1620 Providence Rd
Towson

American Heating & Air Conditioning

1741 Laurel Brook Rd
Fallston

American Mechanical Repair

3042 Edgewood Ave
Parkville

American Professional Chimney & Masonry

4519 Buchanan St.
Hyattsville

Anthony Mechanical & Electrical, LLC

938 Holy Cross Rd
Street

Anytime Services & Maintenance Inc

7202 Belair Rd
Baltimore

APOLLO REFRIGERATION

2227 EASTERN AVE
Baltimore

APPOLLO HEATING & PLUMBING

3678 FALLS RD
Baltimore

AQUA PLUMBING & HEATING CO

944 S CLINTON ST
Baltimore

Archangel Remodeling

642 Wayward Dr
Annapolis

Arctic Air Solutions LLC.

P.O. Box 19925
Baltimore

Arctic Plumbing & Air

766 State Route 3 N
Gambrills

ARTIC AIR

4309 HARFORD RD
Baltimore

Artisan Construction Inc

1610 S Shore Pkwy
Pasadena

Arundel Cooling Heating & Electrical Co Inc

707 Nursery Rd
Linthicum Heights

Aspect Contracting

7823 Wilson Ave
Parkville

Assured Contracting, Inc.

6831 Montgomery Road
Elkridge

Atlantic Acquisitions, LLC

53 Odeon Ct
Parkville

Atlantic Environmental Solutions

6400 Frankford Ave
Baltimore

Atlantic Mechanical LLC

6615 Reisterstown Rd
Baltimore

Aureon HVAC Services

Stallings Dr
Glen Burnie

Awoyera Air

PO Box 24583
Baltimore

B & B TECHNOLOGIES LLC

PO BOX 1264
Millersville

b.a.g.s.Lawn and Home, LLC

P.O. Box 1702
Glen Burnie

B.A.R appliances AC LLC

30 Acorn Circle
Towson

Bair Necessities

763 Rte 3 N
Gambrills

Barnes Odum Group LLC

7779 Kidwell Drive

Bas Heating and Cooling, LLC

8820 Doves Fly Way
Laurel

Basement Masters

1680 E Gude Dr,
Rockville

Bay Stoves

3157
Solomons Island Road

BEE JAY REFRIGERATION INC

4216 SPRINGWOOD AVE
Baltimore

Beltway Builders

766 State Route 3 N
Gambrills

Ben Franklin Plumbing LLC

4219 Hanover Pike Ste 1A
Manchester

Bey's Refrigeration & Heating

4131 Hayward Ave
Baltimore

BGE Home

1409 Tangier Dr
Baltimore

Bge Home

5500 Quarantine Rd
Baltimore

Bhelle Mechanical

8044 Pine Ridge Rd
Pasadena

BIBB-HENRY ALBERT CO

6 CHURCH LN
Pikesville

BILT-RITE CONTRACTORS INC

1833 York Rd
Lutherville Timonium

BINDER PLUMBING & HEATING INC

8612 OLD HARFORD RD
Parkville

Blair Construction LLC

301 Najoles Rd
Millersville

Blue Dot Services - 8554

125 Industry Ln
Forest Hill

Bmore Green LLC

8203 Thornton Rd
Towson

Bob Drumm Heating and cooling

27 ballman Court
Baltimore

Bob Fox Services

5518 Muddy Creek Rd.
West River

Bogan's Plumbing / PlumbCrazy

1302 Continental Dr
Abingdon

Bottom Line Remodeling

2909 Stockton Rd
Phoenix

BPPW Heating & Cooling

705 Doerchester Rd
Catonsville

Brad4Cad LLC

5657 Utrecht Rd
Baltimore

BRIAN'S ROOF REPAIR LLC

WALKER RD
Freeland

Brooks Heating & Cooling

3509 Orchard Ave
Windsor Mill

Bruce Solomon Plumbing, Heating & Air

12452 Owings Mills Blvd
Reisterstown

BRYAN PLUMBING HEATING & WATERPROOFING

7020 Greenbank Rd
Middle River

BTU MECHANICAL

2135 ESPEY CT
Crofton

Budget Movers Inc

2932 Willoughby Rd
Parkville

C PHILIP AMENDT JR CO PLUMBING & HEATING

2901 HAMILTON AVE
Baltimore

C&J HOME IMPROVEMENT

5409 Belle Vista Ave.
Baltimore

Capitol Boiler Works

7921 Woodruff Ct

Capitol Chimney Service LLC

660 Randolph Rd
Silver Spring

Carney Tire and Car Care Ctr

8743 Satyr Hill Rd
Parkville

Carroll Home Services

2700 Loch Raven Rd
Baltimore

Carter's Plumbing & Heating

4007 W Strathmore Ave
Baltimore

Charles A Klein & Sons

5220 Klees Mill Rd
Sykesville

CHASON SERVICE ENGINEERS

1947 GREENSPRING DR
Lutherville Timonium

Chesapeake Controls Services

6715 Park Heights Ave
Baltimore

CHEVY CHASE REMODELING

7722 Whiterim Ter
Potomac

Choice Home Warranty

1090 King Georges Post Rd

CJ Lehrer & Sons

415 Myrtle St
Crisfield

Clarksville Construction Services

9050 Red Branch Rd
Columbia

CLIFTON HVAC SYSTEMS

3501 CLIPPER RD
Baltimore

ClimateCare HVAC Services

1610 professional blvd.
Crofton

Clinton Electric Co Inc

1850 York Rd
Lutherville Timonium

CMS Urethane Sytems Inc

239 Fell Rd
Rising Sun

Coastal Custom Wine Cellars

2708 Leppo Ln
Finksburg

Comfort Air

49 Venture Way
Sykesville

Comfort Systems Inc

9111 Perryvale Rd
Nottingham

Comforts of Home Heating & Air Conditioning

20 Belle Grove Rd
Catonsville

Complete Auto Repair Service Inc

320 Baltimore Pike
Bel Air

COMPLETE HVAC SVC INC

236 BUSINESS CENTER DR
Reisterstown

Complete Kitchens & More

1828 Manchester Road
Westminster

CONCRETE N COUNTERS

4402 KESWICK RD
Baltimore

Constant Power, LLC

2203 Commissary Circle
Odenton

Contemporary Air Systems, Inc.

613 Eastern Boulevard
Baltimore

Continental Services

2192 Solomons Island S
Prince Frederick

CONTROL TECH INC

3242 ESTHER PL
Baltimore

CORBIN FUEL

1723 CHURCHVILLE RD
Bel Air

CRAFT METAL WORK

5400 PARK HEIGHTS AVE
Baltimore

Cross Keys Exxon

4434 FALLS ROAD
Baltimore

D & K AIR SYSTEMS

1410 E Joppa Rd
Towson

D & R HEATING & AIR COND

2247 SIDNEY AVE
Baltimore

D D AIR CONDITIONING & HEATING

14 N CAREY ST # 104
Baltimore

D W Bahr Plumbing & Heating Inc

8232 Pulaski Hwy
Rosedale

Dan Nichols Contractor

5777 White Rock Road
Sykesville

David Rutch's Precision Remodeling Inc

4200A Little Road
Whiteford

Desai Holmes & Sheer MDs LLC

23 Crossroads Dr
Owings Mills

Dimitri's Home Improvement Inc

929 Stormont Cir
Halethorpe

DLD Mechanical Services, LLC

11444 Glen Arm Rd
Glen Arm

Ductless America

57 W Timonium Rd.
Lutherville

DUCTZ of Central Mid-Atlantic Region

2607 North Rolling Road
Baltimore

DUCTZ of the Upper Bay Region

2501 Derby Drive
Fallston

Dunne Wright Services Llc

1412 Crain Hwy N
Glen Burnie

Dustless Duct

1 N Eutaw St
Baltimore

E J HERRING & SONS

621 CENTRAL AVE E
Edgewater

East Coast Custom Construction LLC

3383 yellow SPGS. S
Laurel

Eco Solar Solutions

36 Austins Way
Elkton

Ecobeco

107 A W Edmonston Dr
Rockville

Ecologic Home Solutions

512 Rest Ave
Catonsville

EcoMize USA

18 Dickens Sq
Lutherville Timonium

Edge Energy

6854 Distribution Dr
Beltsville

Efficient Home

3905 National Dr
Burtonsville

Elec Pros - Baltimore Electricians

242 South Washington Street
Baltimore

Elgomri Mechanical

8032 Gough Street

Elite Air Solutions, LLC

4083 Rustico Rd.
Baltimore

Elite Mechanical Services LLC

1523 Rita Rd
Baltimore

ELkridge Shell

6295 Washington Blvd,

Elliott's Mechanical Services, LLC

12303 Belair Rd
Kingsville

EMA Contracting, LLC

213 N. Union Ave.
Havre De Grace

Empire Builders Inc

1962 Sigfrid Ct
Annapolis

Energy Savers

8911 Mistletoe Dr
Easton

Energy Wizard

206 North Lake Ct
Stevensville

engineering consultant

619 Topland Dr.
Crownsville

Enrgize

Owings Mills

Euro Design Remodel

5483 Harris Farm Ln
Clarksville

Evening Comfort Heating And Cooling

242 West Pasadena Rd
Millersville

Fair Duct Cleaning

124 N Montford Ave
Baltimore

FARNEN & DERMER PLUMBING & HEATING

10500 REISTERSTOWN RD
Owings Mills

FARRELL MECHANICAL

8103 BEACHWOOD RD
Dundalk

Fitz Mechanical Inc

6311 Harford Rd
Baltimore

FIVE STAR COOLING

3502 W. Rogers Ave
Baltimore

Fixed! Hvac Service

PO Box 922
Gambrills

FLANAGAN ENTERPRISE

6077 HARFORD RD
Baltimore

FORAKIS REFRIGERATION & AIR

819 TOLNA ST
Baltimore

FORSYTH CONSTRUCTION LLC

2900 Andrea Ave.
Parkville

Four Seasons Cooling & Heating

2280 Rolling Lawn Dr
Baltimore

FPG Contracting Inc

12138 Central Ave
Mitchellville

Frank J Klein & Sons Inc

300 Reisterstown Rd
Pikesville

Fresh Air Concepts

5195 Raynor Ave
Linthicum Heights

Fresh Air Concepts

5195 Raynor Ave.

FRESH AIR HEATING & AC

4125 Hayward Avenue
Baltimore

Frosty Refrigeration Co Inc

7121 Windsor Mill Rd
Windsor Mill

FRS Contractors Inc.

6520 ELIBANK DR
Elkridge

Garcia General Contractor LLC

5926 Bryn Mawr Rd
College Park

GAYNOR HEATING & AIR COND, INC.

9410 FLAGSTONE DR
Parkville

GeoDepot

801 Key Hwy #257
Baltimore

Gerner Energy

PO Box 817
Sparks Glenco

Get Er Done Team, LLC

2453 Maryland Ave
Baltimore

Ghjj

Baltimore

Grand Design, LLC

977 A TONIA CT
Sykesville

Green And Sons Inc

5714 N Church St

Green Shift Energy

707 President St Apt 925
Baltimore

Greenview Contractor's

2812 smith avenue
Baltimore

Griff's Heating and Air

706 Orley Place
Bel Air

GRIFFITH ENERGY SERVICES INC

3173 Solomons Island Rd
Edgewater

H&R Sheet Metal L.L.C

163 Ellen ave
Severn

Hamilton Electric Company

4104 Frankford Ave
Baltimore

Hammer Automotive, Inc

8545 Philadelphia Rd
Rosedale

Handy Hammer

8330 Pulaski Hwy.
Rosedale

Hawkins Electric Service Inc

8667 Cherry Ln
Laurel

Hayes Construction

14307 Jarrettsville Pike
Phoenix

HBKK Construction

4157 Mountain Road
Pasadena

HEALTHY AIR SOLUTIONS LLC

5308 TRAMORE RD
Baltimore

HEATING & AIR ALL TEMP

1701 PARKMAN AVE
Baltimore

Heffner Group, Inc.

1901 Arrington Road
Marriottsville

Heinze Mechanical

906 Garden Drive
Baltimore

Her Refrigeration

6723 Parsons Avenue
Baltimore

HGH Mechanical Inc

2107 Emmorton Park Dr
Edgewood

HOHENSTEIN PLUMBING & HEATING INC

3335 E JOPPA RD
Parkville

Home Contractors Plus

8402 Quill Point Dr
Bowie

Honest Abe Plumbing Heating & Cooling

7095 Milford Industrial Rd
Pikesville

HORTON MECHANICAL PLUMBING

5223 CEDGATE RD
Baltimore

Husky Home Services LLC

8414 Church Lane
Ellicott City

HVAC Direct Heating and Cooling

11 American Ct
Catonsville

HVAC PROS,Inc

14909 Health Center Drive
Bowie

Hybrid 360, LLC

2453 Maryland Ave
Baltimore

IMPERIAL REFRIGERATION CO

1021 BINNEY ST
Baltimore

Indoor Air Solutions

PO Box 2481
Kensington

Innovative Construction & Engineering

300 Niners Priviate Rd
Westminster

J & B Mechanical, LLC

8721 Oakleigh Rd
Parkville

J C FLOOD

Baltimore

J R Lee Home Improvements, LLC

111 Horizon Dr
Millersville

J&J Mechanical Home Heating and Air Conditioning

2105 Emmorton Park Road
Edgewood

James A Wheat & Sons Inc

7834 Beechcraft Ave
Gaithersburg

James Contracting Inc

2911 Constellation Way
Finksburg

James L Graves Construction

750 Route 3 South
Gambrills

Java Garage Auto Repair & U-Haul Rental

2700 Hanover Pk
Manchester

JAY'S AUTO SERVICE

5506 BALTIMORE NATIONAL PIKE
Catonsville

JBL Brothers

3521 Hiss Ave
Parkville

JCabido Remodeling

11502 Nevis Dr
Beltsville

Jerod Wert

4776 carmody ct
Harwood

JES Foundation Repair

1741 Corporate Landing Parkway

JJM Home Improvements Inc

8185 Ritchie Hwy
Pasadena

Joe Blow's HVAC

123 Main Street
Baltimore

Johns Hopkins Bayview Med Ctr

4940 Eastern Ave
Baltimore

Johnson Home Preservation and Development

15 Straw Hat Road
Owings Mills

JONSCO AIR CONDITIONING & HTG

100 S HIGHLAND AVE
Baltimore

JOSEPH HEIL CO. INC.

8177 MISSION RD
Jessup

JPG Plumbing Services, Inc.

8260 Patuxent Range Rd Ste H
Jessup

JRS AUTO REPAIR

14709 Baltimore Ave Ste 3
Laurel

K & S Auto Services, Inc.

4700 Belle Grove Rd. Bay 6

K4 Associates LLC

649B Lofstrand Lane
Rockville

KASTNER PLUMBING & HEATING INC

12630 FREDERICK RD
West Friendship

Keller Plumbing & Heating LLC

4681 South Leisure Ct
Ellicott City

Ken Griffin Plumbing Services Inc

14570 Triadelphia Mill Rd
Dayton

Kiser Mechanical Services, Inc.

1535 Crouse Mill Rd
Taneytown

Knollwood Automotive

4828 Ten Oaks Rd
Dayton

Krause Plumbing & Heating

1650 Robin Cir
Forest Hill

KRAUSE RENOVATIONS

1650 ROBIN CIR
Forest Hill

KTC Heating and Air Conditioning

4627 Ridge Rd
Nottingham

L J Butler Plumbing

5862 Bel Air Rd
Baltimore

lavender&company llc

1613 rosedale heights avenue

Lavira Corp

830 Hollins St
Baltimore

Legacy Design

1201 W. Mount Royal Ave
Baltimore

Leon Builders LLC

2750 North Rosedale Street
Baltimore

Leon Pro Services

579 Nolview Ct
Glen Burnie

Level Home Services

908 Pulaski Hwy
Havre De Grace

Liberty Oil Company

1401 E Homberg Avenue
Baltimore

LINDY M REDDING HEATING & AIR CONDITIONING

1701 CRAIN HWY S
Glen Burnie

Link Contracting, LLC

306 patleigh rd

Link Mechanical

306 Patliegh Rd
Catonsville

Lowery Heating and Air conditioning

1740 West North Ave
Baltimore

LPC Services Inc.

3114 Hammonds Ferry Road
Haethorpe

Maintenance Plus

1730 Fleet Street
Baltimore

Mann's Mechanical Inc

7640 Old Battle Grove Rd
Dundalk

MAR-TECH APPLIANCE

4901 BELAIR RD
Baltimore

MARINO PLUMBING & HEATING

19 INGLESIDE AVE
Catonsville

Marks Heating & Cooling

PO Box 38536
Baltimore

Maryland Climate Control

499 Beaumont Ave
Baltimore

Maryland Heating & Air LLC

6400 Frankford Ave
Baltimore

Maryland Home Improvement Co

6 Delrey Ave
Catonsville

Maryland Solar Solutions Inc

11436 Cronridge Dr
Owings Mills

Maryland Waterproofing & Radon Reduction Inc

8259 Baltimore Annapolis Blvd
Pasadena

Mastoras & Nikolaou Construction

622 South Newkirk Street
Baltimore

MaxAir Heating & Air Conditioning, Inc.

325 Roesler Rd
Glen Burnie

Meineke Car Care Center

1233 Liberty Rd
Sykesville

Melroy Plumbing & Heating, Inc.

6537 BALTIMORE NATIONAL PIKE
Catonsville

Metro Mechanical Services

4906 Pennington Avenue
Baltimore

Michael & Son Svc Inc

5740 General Washington Dr

Michael & Sons Service Inc

6420 Erdman Ave
Baltimore

Michael Runk Plumbing & Heating

401 West Old Liberty Rd.
Sykesville

MID EASTERN A & B CO

8107 DIAMOND POINT RD
Baltimore

Millennium Home Improvement

6620 Parsons Ave
Baltimore

Milton Electric Co Inc

3618 E Lombard St
Baltimore

Miranda Construction Services, LLC

1001 Ward Street
Laurel

Misha's Home Improvement Inc

1257 Baltimore Annapolis Blvd
Arnold

Mitchell Plumbing & Heating Inc

11650 Eastern Ave
Middle River

Modern Air Conditioning Heating

627 EASTERN BLVD
Essex

Modern Comfort Systems

100 Airport Dr
Westminster

Mr Rooter Plumbing & Heating

3701 Commerce Dr
Baltimore

Mr.PlumberHeatingandAir

2 Blinker ct
Middle River

MTS Plumbing & Heating Inc

20030 Cameron Mill Rd
Parkton

Multimarine Services Inc

1111 Frankfurst Ave
Curtis Bay

Murga Construction Enterprise

6914 17th Ave
Hyattsville

N & J heating and cooling

P.o. Box 936
Laurel

National Home Pro Inc

6400 Baltimore National Pike
Baltimore

Naylor's Plumbing Heating & AC

831 Wesley Rd
Finksburg

NEVER 2 LATE

1538 WADSWORTH WAY
Baltimore

No-Frost Air Conditioning & Heating Co

4990 Waterloo Rd
Ellicott City

Northern Light Heating & Air

1473 Jarrettsville Rd

Northern Light Heating & Air Conditioning

1473 Jarrettsville Rd
Jarrettsville

NT HVAC & Appliance Repair

1463 washington blvd
Baltimore

NuLife LLC Home Improvements and Services

7804 Birmingham Avenue
Nottingham

O'Brian's Plumbing & Heating

2 Barnstable
Owings Mills

Ocean Air Duct Cleaning

8042 Keeton Rd
Elkridge

Ocean Air Heating & Cooling LLC

1102 Butterworth CT
Stevensville

Olympic Heating & Air Conditioning

11433 Belair Rd.
Kingsville

One Hour Heating & Air Conditioning

7484 Candlewood Road
Hanover

One Source Contracting LLC

550 Ritchie Hwy
Severna Park

ONE STOP AUTO PARTS INC

3417 GREENMOUNT AVE
Baltimore

Ovadia LLC

8813 Pikesville Rd
Pikesville

Owings Brothers Contracting

1912 Liberty Rd
Eldersburg

Park Heights Heating Cooling

940 Glouster Cir
Hampstead

Patriot Electric

25 Thomas Ave
Baltimore

Paul Davis Restoration of Greater Baltimore

10715 Red Run Boulevard
Owings Mills

Peninsula Cooling & Heating Inc

1952 Hilltop Rd
Pasadena

PEP BOYS MANNY MOE & JACK

403 BALTIMORE PIKE
Bel Air

Perry Hall Heating & Air

7619 Fitch Lane
Baltimore

Petro Home Services

8900 Citation Rd
Essex

Platinum Mechanical

2487 W Coalspring Ln
Baltimore

Polar Bear Heating and Air Inc

5710 Furnace Ave
Elkridge

Powell & Turner Inc

6308 Buck Cavey Ln
Linthicum Heights

Power Home Remodeling Group

6404 Ivy Ln
Greenbelt

PRECISION ENVIRONMENTAL SYSTEM

1530 CATON CENTER DR
Halethorpe

Precision Garage Doors Inc

9125D Whiskey Bottom Rd
Laurel

Premier HomePro (240) 223-7034

37 Maryland Ave
Rockville

Presto Electric

7917 Wise Ave
Dundalk

Providence Construction Services

2509 Parliament Dr.
Abingdon

PuertoEcuador

3642 Ellerslie Ave
Baltimore

Quality Air Solutions LLC

15301 Graaf Pl
Silver Spring

QUALITY REFRIGERATION SVC

3103 MAGNOLIA AVE
Baltimore

Quality Tanks & Excavation

5860 Old Solomons Island Rd
Tracys Landing

Quick Servant Co Inc

12011 Guilford Rd Ste 101
Annapolis Junction

R & G Heating and Cooling LLC

6801 Belair Rd
Baltimore

R E MICHAEL CO

1030 GREENMOUNT AVE
Baltimore

R L WELSH HEATING & COOLING

632 HORNBEAM RD
Edgewood

Ray Adolphs Citgo

1726 York Rd
Lutherville

RealtyFX

423 Deacon Brook Cir
Reisterstown

Referred By Renovators Inc

1494 Governor Bridge Rd
Davidsonville

REFRIGERATION SUPPLY CO

1031 WILSO DR
Baltimore

Reliability Home

2819 N Point Blvd
Baltimore

Reliable Auto Care

902 REISTERSTOWN RD
Pikesville

RELIABLE HEATING & AIR COND

10018 DOLFIELD RD
Owings Mills

Remodel USA

605 Hampton Park Blvd
Capitol Heights

Renew Home Improvements

4995 Threshfield Ct.
Ellicott City

Renovo Group LLC

PO Box 278
Riderwood

Revolution Heating & Cooling

5145 Spring Willow Ct
Owings Mills

Rice Plumbing & Heating Inc

PO Box 656
Parkton

RICH HEATING & COOLING LLC

2935 Clifton Avenue
Baltimore

Richard Sgro

11 S Carol St
Laurel,

RICHARD'S OIL BURNER SERVICE

PO Box 122
Pasadena

Right A Way Duct Cleaning

PO Box 1206
Suitland

RITTENHOUSE ENERGY SERVICES

1759 E. JOPPA RD
Parkville

Rocky Hvacr Llc

7939 citadel dr

Roger Turman Heating & A/C

2507 Cornstalk Drive
Finksburg

Rolph HVAC LLC

118 Park Avenue Suite J

ROMAN CO

1727 LLEWELYN AVE
Baltimore

Rommel Cranston Service

601 Nursery Road
Linthicum Heights

Ron Air Inc

4830 Ten Oaks Rd
Dayton

RON DUCOTE CONSTRUCTION

2733 LAWNDALE RD
Finksburg

Ron Mathews Heating And AC Inc

901 West Pratt Street
Baltimore

Ron Mathews Heating And AC Inc

7 S Caroline St
Baltimore

Royal Flush Mechanical

8213 Old Jumpers Hold Road
Millersville

Rupp's Mechanical

4208 Manorwood Dr.
Glen Arm

Ruxton Design & Build LLC

14943 York Rd
Sparks

Ryan Construction Co

8920 Avenue B
Sparrows Point

Sadler Plumbing

PO Box 18893
Baltimore

Saffer Plumbing & Heating

8925 Old Harford Rd
Parkville

SAGAMORE MECHANICAL SVC INC

55 Aileron Ct Ste 1
Westminster

Savon Contracting

111 Church Rd.
Owings Mills

Scardina Home Services

8082 Veterans Highway
Millersville

Sears

658 Baltimore Pike
Bel Air

Service All Inc

5731 Tuxedo Rd
Hyattsville

Shadow industries inc

825 eastern blvd

SHEET METAL CRAFT INC

1755 CARSWELL ST
Baltimore

Sila Heating & Air Conditioning

9330 Fraser Avenue
Silver Spring

Singh Construction

206 Back River Neck Rd
Essex

Smart Air Mechanical

6512 Landay Ave.
Rosedale

Smart Energy Solutions

302 Court of Elm

SMART ENERGY SYSTEMS, INC

1300 ENTERPRISE COURT
Bel Air

Smart Home Services

15 W. Aylesbury Rd.
Lutherville Timonium

SMO

109 N Maple Ave
La Plata

SmoothAir LLC

503 E Wheel Rd
Bel Air

SND Property Solutions

Maryland
Baltimore

Solar Energy World LLC

5681 Main St
Elkridge

Sparks Construction

11 Summerfield Rd.
Gwynn Oak

Specialized Heating & Cooling Services

200 S. Rock Glen Rd.
Baltimore

Squash Blossom Remodeling

2516 Madison Ave.
Baltimore

Standard Energy Solutions

1355 Piccard Dr
Rockville

STATEWIDE CONTRACTING SVC

1511 SERPENTINE RD
Baltimore

Stellar Construction & Labor LLC

6400 Bayberry Ct
Elkridge

Stroho

4801 Woodway

Sun And Kool HVAC & Refrigeration

8420 Gould Street
Baltimore

Super Handyman LLC

PO Box 283
Hanover

SuperTech HVAC Services Inc

76 Cranbrook Rd
Cockeysville

Supreme Air Heating A/C Geothermal Specialists

4401 Eastern ave. Bldg 49A, Suite B
Baltimore

Surewood builders, llc

4267 Arthur shipleyroad
Westminster

Synergy Home Improvement

2519 Maryland Avenue
Baltimore

T & D Duct Cleaning

1526 Liberty Rd
Sykesville

T & D Plumbing & Heating Co Inc

1628 Sulphur Spring Rd
Halethorpe

T & T Home Professionals

11919 Queen St
Fulton

T.M. Maintenance LLC

9375 Bremerton Way
Montgomery Village

Tag Restoration

418 South Bond St
Baltimore

Tankmasters, Inc

PO Box 418
Sparks Glencoe

TEMP AIR CO

5623 REISTRSTWN RD
Baltimore

TGM AIR COND & HEATING INC

300 N MARLYN AVE
Essex

The John E. Ruth Co.

5621 Old Frederick Road
Catonsville

THOMAS HEATING & COOLING

3401 SINCLAIR LN
Baltimore
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