Full Service HVAC serving Charles, Northern St. Mary's, Prince George and Montgomery Counties of Maryland.

Who We Are

Alliance Heating & Cooling was established in 1998 and is based in Waldorf Maryland. We service, maintain and install heating, ventilating and air conditioning (HVAC) products. Alliance is staffed with approximately 78 years of HVAC experience ready to work for you.

Alliance will never be the folks that just want to “sell you” a new system. While there is a point of diminishing return, most times, repairing your equipment is the best way to go. We want a long term relationship with our customers. This is where we derived our motto…“Earning your business the old fashioned way...With service”.

We offer a full line of residential and light commercial equipment and services. We have access to the most energy efficient systems in the market place and high quality value oriented systems as well. Give us a call and we can visit with you, analyze your needs and suggest a system that fits your needs and budget.

We are a one stop shop for repairs, maintenance, sales and installation of the following items;

Alliance, with the support of our customers, has been fortunate enough to grow our business every year, even in this awkward economy. We thank you very much for this support! Given the opportunity, you’ll find, Alliance will become your trusted heating & cooling contractor.

Regards,
Alliance Heating & Cooling Inc.