St. Marys and Calvert County Maryland HVAC Services   ♦   We Make Your Air Flow!

Heat Pump and Air Handler Installation in Lexington Park, MD

Check out one of our recent projects for a customer in Lexington Park, MD – an Amana heat pump and air handler installation. Since 1972, we have been installing and servicing carrier heating and cooling equipment, and improving indoor air quality for customers in the Maryland area. Call Great Mills Heating & A/C at 301-994-0522.

Heat Pump and Air Handler System Installation in California, MD

For a customer in California, MD, our team completed a recent installation of a high efficiency variable speed Amana heat pump and air handler system with whole home filter. Great Mills Heating & A/C is ready to deliver efficient heating and cooling solutions for your home or business! Contact us at 301-994-0522.

Minisplit Installation in Lexington Park, MD

This minisplit system was efficiently and professionally installed for a customer in Lexington Park, MD. Looking for seamless solutions for your heating and cooling needs? Contact Great Mills Heating & A/C today!

Minisplit System Installed in Leonardtown, MD

We recently installed this minisplit system in Leonardtown, MD. Whether it is for your garage, home addition or your business, minisplits are an efficient and effective heating and air conditioning solution. Call Great Mills Heating & A/C soon for all your HVAC installation needs!

Minisplit System Installation Completed in Great Mills, MD

Here is one of our recent installations completed in Great Mills, MD! Minisplits are a great source of heating and air conditioning. Since 1972, we have been installing and servicing heating and cooling equipment for our customers. Call Great Mills Heating & Air Conditioning at 301-994-0522!

Minisplit System Installed in Great Mills, MD

Check out one of our recent installations completed in Great Mills, MD. Whether its a garage, sunroom or commercial space, minisplits can be an efficient and effective source of heating and air conditioning. For your heating and cooling system repair, installation and servicing, contact Great Mills Heating & Air Conditioning at 301-994-0522!

HVAC Replacement in Piney Point, MD

Check out this recent HVAC replacement in Piney Point, MD. Our team installed a Carrier 24 series infinity heat pump and coil with a high efficiency gas furnace. A whole home bypass humidifier was placed for easy access during maintenance along with installation of a carrier whole home electronic air purifier and dual ultraviolet lamps in the coil. For your HVAC installation and service needs, call Great Mills HVAC.

Whole Home Duct System and Heat Pump Installation in St Mary’s County in Maryland

With little space, our team was able to install a whole home duct system during this recent renovation in St Mary’s County in Maryland. Along with the duct system, we installed a Rheem 2 stage heat pump and air handler with low voltage wiring, condensate drains, copper linset, whole home filter and attic fan. For your HVAC service and installation needs, call Great Mills Heating and A/C!

Furnace Repaired in Lexington Park, MD

“Great Mills Heating and Air Conditioning was absolutely fantastic, our furnace started having issues at the beginning of December and they went above and beyond to diagnose the problems, explain what was going on, and get the furnace running properly. Highly recommend, will definitely use them again in the future!”

– D.H in Lexington Park, MD

Choose Great Mills for superior installation and maintenance or service of your heating, ventilation, air conditioning or refrigeration system to get the job done right the first time! Call us at 301-994-0522.