Welcome  to HHI Heating & Air Conditioning

HHI is a Heating, Air conditioning and Appliance Service Company, Servicing all types of Forced Air Heating, Boiler Heating, Natural Gas Heating, Electric Force Heating, Oil Heating and Air conditioning  equipment. We Specialize in  Appliances,  Air Conditioning, Gas Heating,  Heat Pumps and Duct Cleaning.  We are located between Frederick and Hagerstown Maryland, and service Frederick Maryland, Hagerstown Maryland, Martinsburg West Virginia, and Charlestown West Virginia citys and surrounding counties.
        We have 24 Hour Emergency Service, 7 Days A Week  to  Frederick , Hagerstown,and surrounding counties...

Your Heating & Cooling Specialist!

Contact Information

Office Hours 
     8:00 AM - 4:30 PM
Telephone 
     240-626-6491
FAX 
     301-432-7457
Postal address 
     P.O. Box 447 Walkersville, Md. 21793 
Electronic mail
     General Information: HaynesHomeImprovement@msn.com
     Sales: EdHaynes@HHI4Heating-cooling.com
     Customer Support: HaynesHomeImprovement@msn.com
     Webmaster: EdHaynes@HHI4Heating-cooling.com