Markool Heating & Cooling is a locally-owned furnace company in Boonsboro, MD that’s been committed to excellence since its start in 2016. Our team is NATE-certified, Energy-Star certified an ACCA member, and a Carrier Factory Authorized Dealer. We are able to offer a high level of expertise and add a personal touch to all our services. We provide 24/7 emergency services and are active in our community. We’re proud donors to Ducks Unlimited as well.

You can rest assured that you’ll be in good hands when you give us a call. We vow to provide you with honest, transparent advice and to never upsell or undersell you. We are an HVAC contractor that you can trust for all of your heating needs.