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Winters Heating & Cooling services and repairs HVAC systems in residential locations in the Southern MD region, including St. Mary's, Charles, and Calvert County. Our technicians are trained and tested to remain keen on the industry's latest advancements and technologies, including geothermal units.

Winters Heating & Cooling is a family owned and operated HVAC company, which has served Southern Maryland since 1948. Winters was at the forefront of St. Mary's and Calvert County development through the 80's and 90's - both commercial and residential, with notable projects including Hollywood Volunteer Fire Department, and renovations of Sotterly and Historical St. Mary's City. Now a smaller operation, we carry with us the same professional knowledge and integrity which has remained steadfast years later.The legacy behind Winters Heating & Cooling began with the story of Dorothy and Bill Winters Sr. who were married in 1939, Bill at age 20 and Dorothy 22. Four years after serving in the Navy, Bill returned to Washington D.C.and joined the sheet metal union. Several years later the couple returned to St. Mary's County with their new family and founded Winters Sheet Metal in 1948, housing the business in a tobacco barn on the property of Dorothy's family in Drayden, MD, a member of the Knott family. The following year the operation was relocated to land purchased along Route 5 in Redgate, where it remains decades later, providing the Southern Maryland community with quality heating and air conditioning service and products.