Air Conditioning Companies in Maryland

Comprehensive list of commercial and residential air conditioning companies in Maryland offering installation, repair and maintenance services.

Business Listings

Heating & Air Conditioning Since 1952 Harry S. Truman was President when we began our firm! Whether you need a Heat Pump, Air Conditioner, Gas or Oil Furnace, you have come to the best place. We specialize in delivering best quality materials and equipment for Residential & Light Commercial systems.

  • Got a new AC central unit installed today...the service was exceptional and the install

We specialize in your comfort. Because there's nothing worse than waking up to a failed air conditioner during the dog days of August or walking into a freezing house on a cold January night. That is why we concentrate on delivering the best solution for your specific heating and air conditioning requirements. We provide the most dependable and quality equipment and materials at a good price.

  • Had an issue with my a/c for a week finally found Coastal and the service was great I


WIth over 30 years of experience, you can count on Coldmaster to be able to handle any type of residential and commercial HVAC system or commercial refrigeration system. Started in 1995 as a service business, our goal has always been to provide the most accurate, prompt and professional service possible. Business has evolved to include installation of all types of HVAC/R, sheet metal duct fabrication,

  • Excellent service. On time, friendly, excellent quality. Highly recommend them for home

Our air conditioning and heating technicians are trained professionals qualified to work on any heating and cooling system. Griffith Energy Services is the heating and air conditioning company you can rely on. We are the HVAC contractors with a comfort guarantee.

  • Daniel Hays (Dan) was congenial, polite, and informative. We watched him methodically

Elmar Services - Baltimore takes care of heating and air conditioning repair, installation and service in the Baltimore Area. We can handle any residential project and we specialize in new technologies like ductless air conditioners & heat pumps + tankless water heaters. Our goal is to serve our customers with the utmost respect. We want you to "Feel the Elmar Difference."

  • Elmar installed our new Tankless Water Heater and upgraded our furnace as well. They were

Full service HVAC mechanical contractor serving DC, MD, and Northern VA. We offer service on commercial equipment including chillers, boilers, water source equipment, cooling towers, pumps, rtu's, variable frequency drives and building controls. We also offer residential service.


Horizon Mechanical Services LLC is a commercial air conditioning, controls, and heating service establishment founded in 2001. We specialize in service, commissioning and repair of Trane, Aaon, York, and McQuay plus many more equiment manufacturers. We provide annual, quarterly, and/or monthly service of central building equipment such as cooling towers, boilers, chillers, rootp air conditioning equipment

  • Hello! *Background* I live in a 8 story, high-rise condo in DC. My unit is equip with

At Tadek we provide quality, and professional service to all of our customers. Based in Prince Georges County, Maryland, we offer a wide range of light commercial HVAC and full residential heating, heat pump, air conditioning and commercial refrigeration services, installations and maintenance contract at competitive rates. We service all brands and offer 24 hours, 7 days emergency service. With 15


B.M.C./Clower Heating and Air Conditioning is an HVAC service company providing a full range of heating and air conditioning services, ranging from sales, maintenance and service agreements to ductwork and installation. Our team of qualified heating and air conditioning professionals receive excellent training and possess the latest cutting-edge industry knowledge. This expertise allows B.M.C./Clower

  • I had to replace the entire a/c system unexpectedly at the beginning of June. John's

We're a privately owned heating and air conditioning contractor specializing in the installation, repair and conversion of domestic heat pumps, air conditioners, and gas furnaces. Our home comfort experts can assist you determine the most cost-efficient, energy-saving ways to manage the temperature, humidity and air quality in your home.

  • EVA is simply the best there is. Ivan G. (one of their technicians) recently did a full

Stone Services. and Ace Metal Products are two firms which have combined staff and resources to form SSI Services. This enables us to better service all of the requirements of our domestic, industrial and commercial clients. With over one hundred years of technical and mechanical experience, you can be assured your heating, air conditioning and refrigeration requirements will be taken care of in an


Welcome.We at Real Change Systems realize that buying or replacing a central Heating and Air Conditioner can be a little overwhelming. Contact us today and let us know how we can assist. Contact a friendly Real Change Service Technician today. The experts at Real Change Systems want you to feel at ease.


Total HVAC/R installation, service, repair & maintenance Servicing Refrigeration and HVAC Equipment & Control Systems and More Rock Spring Heating and Cooling. is a union HVAC/R service organization set up in 1995 committed to delivering timely, efficient, and cost-effective solutions to HVAC/R problems in the Commercial, Institutional, and Industrial markets.


New Clients : Crockett Facilities Services. is glad to announce the following new customers: the Army Contracting Agency and GSA Southeast Region. Crockett Facilities Services. supplies value-added building operation and maintenance services to Government and Commercial customers, through a staff of well skilled individuals that value reliability, integrity, safety, and service to its customers.


If you are searching for high-quality heating, plumbing and air-conditioning service and productsyou've come to the best place! For more than three decades, we've been servicing the heating, plumbing and air-conditioning requirements of businesses and residents of the Greater Washington, D.C., Area. In that time, we currently have earned a reputation for superior service and quality products.


We're a complete service HVACR Heat, Ventilation, Air Conditioning and Refrigeration firm, licensed in the state of Maryland. Our primary servicing area covers Kent, Queen Anne's, Caroline and Talbot counties, situated on the pretty Upper Eastern Shore of Maryland.


Putting our finest resources and the finest controls to work for you. Calvert Controls. is a leading supplier of commercial heating, ventilation, air conditioning and refrigeration services within the Metropolitan Washington, DC area, specializing in the Honeywell Excel 5000?


We're a locally owned & operated firm with over twenty years of knowledge serving Maryland's mid and Upper Eastern Shore, our areas of specialization include heating, air conditioning, ventilation, air purification and sheet metal purification in both domestic and light commercial applications. Superior client service and quality is our #1 priority.


Corbin Fuel can meet all of your domestic fuel requirements! Read More Corbin Fuel is capable of handling your business fuels requirements - from fleets of trucks to agricultural businesses! Read More Make sure your comfort level at home is never at risk due to extreme temperatures. Read More Keeping your air ducts clean from dust and debris is extremely important for the overall air quality in your


The Plumber With A Heart, we excel in the design, installation, and repair of best quality heating, plumbing and air conditioning systems. At Valentine Plumbing, Heating & Air Conditioning, we provide all the benefits of a huge firm with the attitude and flexibility of a tiny business. We are a firm with a geniune dedication to professional, affordable and personalized service.