Do you need furnace repair you can count on in Middletown, MD? Markool Heating & Cooling is an established heating and cooling contractor committed to high-quality workmanship and dependable furnace and heat pump repair. Wintertime in our beautiful city can get cold, and it’s not a time to worry about a furnace constantly breaking. When you choose Markool Heating & Cooling, you know that your heat pump repair will last. Our techs are factory-trained to work on all major brands, so we are familiar with each model of furnace. And our company uses only the highest-quality parts to complete each repair for fixes that last. Each job begins with a thorough inspection of the appliance to find out the problem, then we present an itemized, transparent invoice – and we will stick to the quote we give you. You never have to worry about charges after the fact or hidden fees with Markool Heating & Cooling.