A Quality Heating and Air Conditioning

A-Quality Heating & Air Conditioning, Inc. is committed to becoming Maryland's best manufacturers' representative of HVAC related products. It is our mission to provide our customers with high quality, energy efficient products at competitive pricing. We ...

Affordable Geothermal

Affordable GeoThermal was formed by two experienced building and heating contractors (with over 50 years experience) who are excited about the energy saving performance of these products. As more and more tax incentives were added to encourage the develop ...

Allied Well Drilling

The Area Leader in Water Well Drilling & Geothermal Loop Installation Serving The Baltimore & Washington D.C. Areas We at Allied Well Drilling have crews with extensive experience drilling throughout the Greater Baltimore/Washington/Annapolis area. O ...

C. Albert Matthews Inc.

C. Albert Matthews is a residential installation and service geothermal heating and cooling contractor. In business since 1922, we have a long track record and firm background in the HVAC industry. C. Albert Matthews, Inc has a tradition of meeting cu ...

Continental Services

We at Continental Services provide our customers with the most technologically advanced heating and cooling systems. We back all of our work with over 20 years of experience and guarantee that you will be more than satisfied with the systems we have i ...

Earth River Geothermal Inc.

Your interest in geothermal (ground source) heating and cooling systems indicates that you are among a growing number of residential and commercial users who recognize the cost savings and environmental benefits of this superb renewable energy source. ...

Easterday Well & Pump Inc.

Gary P. Frank Heating & Cooling

Gary P. Frank, Inc. has been on the Heating, Cooling and Emergency Power system Industry for over 22 years. Our staff is dedicated to making your home or office comfort a top priority. We take pride in our professional installation as well as our profess ...

Ground Loop Heating & Air Conditioning

Ground Loop Heating and Air Conditioning has installed over 2,000 Geothermal Heat Pump units since 1992. We are the only exclusively Geothermal dealer in the state of Maryland. We can custom design a loop system for you, including large, small, or retrofi ...

Hannon Armstrong

Solar, wind and geothermal power resources are showing greater promise in making a positive impact on the environment and energy security. While these technologies are coming down in cost, they are still more expensive in most markets than fossil fuels, i ...

Harvey W. Hottel Inc.

Having families ourselves, and now going into our third generation as a family owned business we at Harvey W. Hottel understand the investment in our children and their future. Since the EPA began pushing consumers to think about energy efficiency we have ...

Love's Geothermal

A locally owned and operated HVAC contractor, Love's Heating & Air, Inc was formally established in 2002 - fully licensed and insured with a well-trained staff that has over 20 years experience in the industry. Serving most counties in the state of Ma ...

Minnicks Heating and Air Conditioning

Ray Sofield Electric

Shapiro & Duncan Inc.

Shapiro & Duncan provides pre-construction services to owners, architects, engineers, and general contractors. Integral components of our pre-construction services are quantified budgets, value engineering, advance equipment procurement, existing system a ...

Simmons Heating & Air Conditioning Corp.

Simmons Heating and Air Conditioning is located in Southern Maryland and specializes in the sale and installations of Lennox/Armstrong air handling products and GeoThermal heat exchange systems, both residential and commercial. The sales and installation ...

Somerset Well Drilling Co. Inc.

Southern Pride Service Inc.

It has been our pleasure to serve this community since 1993. Since the very beginning our team of professionals have dedicated themselves to being knowledgeable about heating and air conditioning products, to bring you quality installation and courteous, ...

Supreme Air LLC

Supreme Air LLC is a trusted and recognized provider of heating, cooling, refrigeration and duct cleaning services in the Baltimore Metro and surrounding areas. Our success is based on our dedication to exceeding the expectations of our customers throu ...

Thomas R. Owens LLC

Thomas R. Owens, LLC has been providing comfort solutions to homeowners and businesses for over 25 years. Our services range from residential installation and service to light commercial installation and tenant build out. We specialize in geo-thermal an ...

Winslow Pump and Well Inc.

Winslow Pump & Well, Inc. specializes in vertical, closed loop, geothermal loop fields. The loop field consists of two major components: vertical geothermal wells and a horizontal manifold system. Our commercial division is licensed in Maryland, Delaw ...