Air Conditioning Companies in Millersville, MD

Comprehensive list of commercial and residential air conditioning companies in Millersville, MD 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're a complete-service HVAC contractor delivering quality work to your community. New technology combined with innovative design and the best quality of service guarantee our clients the most efficient and efficient heating & cooling system available in today's market.



Are you searching for an expert heating & cooling business that won't take advantage of you? Elkridge Air is your leading heating & cooling firm because we take pride in all the services we supply. With more than three decades of knowledge, our firm is committed to delivering exactly the best services, repairs, installation, and products that you need.


As a family run and run business, we currently have over three decades knowledge and are committed to maintaining your comfort. We will attend to each of your heating & cooling requirements by delivering prompt, dependable professional service seven days a week. We work on Heating and Cooling Systems. Would you like to save some extra money? We work on Heating and Cooling Systems.


Pleased to be the 1st HVAC firm in Maryland to be awarded Factory Authorized status and the Distinquished Dealer Award by Carrier Corporation, the world's leading manufacturer of quality HVAC products, for our dedication to quality work and exceptional client satisfaction. Just another way we go the extra mile to aid bring Comfort home to you!


Northern Bay Environmental Systems. has been in the mechanical contracting business for over a quarter of a century. Incorporated in Maryland in April 1980 as an commercial HVAC and refrigeration installation and service contractor. Over the past 20-five years the firm has grown at a natural pace with the expansion of operations to include pneumatic, electric, electronic, and DDC control systems.


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.


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