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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, 410-801-7771

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

221 Kennedy Drive , Severna Park, MD, US
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1181 Keeling Court , Arnold, MD, US
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100 Evanfield Court , Severna Park, MD, US
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283 Bowline Road , Severna Park, MD, US
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403 Fox Den Lane , Severna Park, MD, US
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Customer Testimonials

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Baird Straughan
The visit for the estimator Taught me a lot, but that’s as far as we’ve gone so far. Two months later: we are getting ready for the installation. A couple of points: Cornett gave a competitive bid and the equipment they use is highly rated. Plus, they handle the rebate process themselves and pass the savings on to me directly. Their Inspectors and installers have been out three times already to work with the builder to make sure that The ductwork has the correct access, which is a challenge in... Read more
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Jamie Denton
Michael was great! Friendly, on time (early even) and he was efficient while servicing our hvac system.
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Sandy Hendrickson
Zach was very personable and professional when he came out to maintain our system. As always superb. Thank you!!
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Gail Harriman
I’m extremely pleased with my brand new Bosch Heat Pump 2 Ton 18 Seer and Air Handler installation and service. I highly recommend Cornett HVAC.
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Heather Korwek
Cornett Heating & Cooling is exemplary in every way. They have stellar customer service, are always able to help ,and respond with a sense of urgency that is rarely seen in the service industries today. Josh, Danny, Zach, and the entire team are incredible.