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Cornett Heating & Cooling

We service the Serverna Park, Annapolis, Arnold, Pasadena, Glen Burnie, Millersville and surrounding areas.  Reach out to us if you’d like a consultation, 410-647-6979

About Cornett Heating & Cooling


Cornett Heating & Cooling, located in Severna Park, Maryland, is your premier destination for top-quality HVAC (Heating, Ventilation, and Air Conditioning) services. Our team of highly trained and certified technicians is dedicated to providing exceptional HVAC solutions for both residential and commercial customers. When it comes to HVAC installation, maintenance, and repairs, we have the expertise to keep your indoor environment comfortable year-round. At Cornett Heating & Cooling, we prioritize energy efficiency and sustainability, offering eco-friendly HVAC options to help you reduce your energy bills and environmental impact.


As your trusted HVAC company in Severna Park, we take pride in our commitment to customer satisfaction and our deep roots in the local community. Our website, https://www.cornetthvac.com/, showcases our professionalism and the range of services we offer. Whether you need a new HVAC system installed, routine maintenance, or emergency repairs, you can rely on Cornett Heating & Cooling to deliver reliable, cost-effective solutions. Contact us today for all your heating and cooling needs, and experience the difference our expertise makes in keeping your home or business comfortable and energy-efficient.


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Read what 300+ clients have said about our services:

Our Work

2708 Summerview Way , Annapolis, MD, US
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604 McKinsey Park Drive , Severna Park, MD, US
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310 Hazy Grove Bend , Millersville, MD, US
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1251 Youngs Farm Road , Annapolis, MD, US
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8105 Windy Trail , Millersville, MD, US
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Customer Testimonials

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Mark Evangelista
Josh and his crew worked diligently to successfully complete a challenging crawspace install. They were very respectful, and returned after the job was done for a walk through and to answer my list of questions. It was an excellent expereince and the system works great!
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Kelly Clark
Highly recommend!
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Bejetta Arnwine - 876 Rudder Way , Annapolis, MD, US
The young man was knowledgeable and found the problem very quickly.
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Hannah Snyder
I had a great experience with Cornett. They were able to come out very quickly, assess the issue, order the new part, and install it all within a couple days. Service was efficient and workers were all very kind and informative. Thank you!
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Zachary Corrothers
I looked them up on google and saw they had a very good response time. Our heat stopped working during a week with cooler nights and we have a newborn, and they were quick to come diagnose the problem and even faster with fixing it the same week once getting hold of the new replacement part. Response time is what set them a part from others and the prices were reasonable.