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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.


Check out some important pages from our company's website:


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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Greg Cantori - 8293 Shilling Road , Pasadena, MD, US
We operate Little Deeds, a home safety aging in place handyman service and we use the same customer service system as Cornett. It's called HouseCall Pro and makes us pros look and respond professionally . As a first time customer of Cornett, I cannot recommend them highly enough! With Julie in the office taking care of us and all our questions and the techs figuring out how to get our Mr. Cool Mini-Split system up and running again with special order parts! We will be recommending Cornett to o... Read more
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Calli Wise - 345 Alameda Parkway , Arnold, MD, US
We've had good experiences with Cornett on every visit, from rewiring a smart thermostat to repairing our outdoor unit on the same day when our AC quit during a heat wave. These have been really friendly folks who are willing to explain their process and are transparent about pricing.
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Darius Cameron
Arrived on time. Very professional. Took the time to explain the problem. Made the necessary repair in a timely fashion.
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Dave Born
First time to use Cornett. Found them through a personal referral. The techs were very clean, polite and informative. They fixed my problem per my request and recommend new unit which I agree we need and will do in the spring with them.
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Joseph bassin
Danny was very professional and polite