Since 2016, our family at May's Heating & Air has been delivering maximum value, affordable pricing and unsurpassed customer service to families like yours in Frederick. At May's Heating & Air, your home comfort is our highest priority. That's why we supply dependable HVAC equipment and excellent work in Frederick. Our technicians are skilled in a complete range of services, so you can have confidence in your results.

America's Green Heating and Air Conditioning was founded in Gaithersburg, MD and brings years of experience in the heating and cooling service industry. We have a professional, knowledgeable and fully trained crew, so you can depend on the quality of our work. We're committed to finishing the job quickly and correctly. We carry innovative, economically minded products that will help your HVAC systems deliver efficient and reliable performance to keep your home comfortable all-year round. Our friendly technicians make repair challenges look simple – so you'll be able to get back to relaxing in a comfortable home in no time. Your whole-home comfort is our priority.

Exxel Mechanical Services provides quality residential & light commercial HVAC services in Frederick, MD, and surrounding communities. Our licensed and insured technicians install, repair, maintain, and replace all major heating and cooling systems. We help homeowners and businesses stay comfortable year-round with AC repair, air conditioning installation, heating repair, furnace services, boiler repair, HVAC maintenance, and indoor air quality solutions. We also offer 24/7 emergency HVAC service, flame sensor repairs, and backup generator install. Whether you need a fast repair, system upgrade, or preventative maintenance, you can count on our experienced team for reliable service and quality workmanship. Contact us today for a free quote!

Founded in 2016, Markool Heating & Cooling is the name to trust when it comes to heating and air conditioning in Frederick, MD, and the surrounding areas. We have extensive experience with a wide range of both residential and commercial heating, air conditioning, and air quality services. If you're interested in maintaining or improving the comfort and efficiency you enjoy indoors, we're the right team for the job. Contact us today to schedule your next HVAC appointment.

In 2016, Weather Masters Corp. opened in Frederick, MD, with the goal of providing heating and air conditioning services to homeowners and businesses in the Frederick County area. While we focus on Lennox and serve as a Lennox Premier Dealer, we have the ability to service all other makes and models. We are fully licensed and insured. We're also a Rheem Pro Partner. Furthermore, our company has been showcased as one of the best HVAC service providers on HomeAdvisor.