Markool Heating & Cooling is your go-to business for HVAC in Thurmont, MD. Our heating and cooling experts are the only people you need to keep your HVAC running. Fully functioning heating and air conditioning systems are essential if you want your home as comfortable as possible.

Your HVAC appliances keep the temperature inside your house bearable all year round. Keeping your appliances running is not without its ups and downs. Homeowners will likely need an HVAC contractor to examine their system sooner rather than later. Markool Heating & Cooling is here to help with a full spectrum of HVAC solutions.

We can help when you need repairs, replacements, or maintenance.