Cornerstone Heating & Air Conditioning

At Cornerstone Heating & Air Conditioning, we pride ourselves on delivering high-quality services to our customers in Central Maryland. With over 30 years of experience in the HVAC industry, our team of skilled technicians is dedicated to ensuring your comfort and optimizing your home's energy efficiency. We provide a wide range of services including oil heat, boilers, geothermal systems installation, gas heat, heat pump installation, and air conditioner repair.

Our team is led by Michael Grissom, who has been in the heating and air conditioning industry for over 36 years. Born in Frederick, Michael developed a passion for fixing things at a young age and eventually pursued a career in HVAC after attending the Frederick County Votech Heating & Air Conditioning Program and Lincoln Tech Technical School. His expertise in troubleshooting and ability to provide cost-effective solutions make him one of the most trusted HVAC providers in the area.

Michael is joined by Dave, who has a long history of doing duct work and has worked with several big companies before joining the Cornerstone team in May of 2009. Dave's exceptional skills in sheet metal work and his dedication to producing high-quality results make him an integral part of our team.

At Cornerstone Heating & Air Conditioning, we understand the importance of keeping your home comfortable and energy-efficient throughout the year. Whether you need a new heating system installed, an air conditioning unit repaired, or a geothermal system serviced, our team of factory-trained technicians is here to help. We offer honest estimates, affordable rates, and energy-efficient solutions that cater to your unique needs and budget.

Our services include:

• Heating System Repair
• Geothermal Systems Installation
• Air Conditioning Repair
• Heat Pumps

We serve Frederick and Washington Counties and are committed to providing exceptional customer service and ensuring that our customers are completely satisfied with our work. We stand behind our energy-efficient solutions and promise to deliver high-quality services that meet your needs and exceed your expectations.

At Cornerstone Heating & Air Conditioning, we believe in building long-term relationships with our customers and are dedicated to helping you maintain a comfortable and energy-efficient home. Contact us today to schedule an inspection or learn more about our services.