Cornett Heating & Cooling of Maryland

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About Us

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:

Recent Work

506 Devonshire Lane ,Severna Park, MD, US

Cornett Heating & Cooling proudly installed a top-of-the-line 3 Ton Goodman gas furnace in a residence located in Severna Park, Maryland, ensuring optimal comfort and efficiency for our valued customers. Our expert team meticulously handled every aspect of the installation, from precise sizing to seamless integration, guaranteeing unparalleled performance and reliability. Trust Cornett Heating & Cooling for all your HVAC needs in Severna Park and beyond, where quality craftsmanship meets exceptional service.



506 Devonshire Lane , Severna Park, MD, US
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  • Our Services
  • Our Services: Repairs
  • Our Services: Full Installs

16 Sunset Drive ,Severna Park, MD, US

Curious about the difference a professional upgrade can make? Check out this before-and-after from a recent project in Severna Park, Maryland. Cornett Heating & Cooling installed this efficient Goodman 3 Ton A2L Straight AC in just one day. Ready to see more of our local expertise? Explore our interactive portfolio!

16 Sunset Drive , Severna Park, MD, US
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  • Our Services
  • Our Services: Repairs
  • Our Services: Full Installs

Customer Reviews

Gordon Clement — review for Cornett Heating & Cooling
Gordon Clement
I called for a preventative maintenance check on a mini split system. Chris came out and quickly cleaned. The unit showed me where the filters were and made the system a clean bill of health. Very easy and quick. Couldn’t be happier.
Cornett Heating & Cooling response
Response from Cornett Heating & Cooling8 days ago

Thank you so much for your wonderful review, Gordon! We're delighted to hear Chris was able to provide quick and thorough service on your mini split system. We truly appreciate your kind words and are grateful to have you as a satisfied customer of Cornett Heating & Cooling!

Laura Gardner — review for Cornett Heating & Cooling
Laura Gardner - 783 Marston Court , Severna Park, MD, US
Excellent professional trustworthy service. Zach was great.
Cornett Heating & Cooling response
Response from Cornett Heating & Cooling8 days ago

Thank you so much for your wonderful review, Laura! We’re thrilled to hear that you had an excellent experience with Zach and found our service professional and trustworthy. We truly appreciate your support!

Michael Vineyard — review for Cornett Heating & Cooling
Michael Vineyard
Good estimate experience
Cornett Heating & Cooling response
Response from Cornett Heating & Cooling8 days ago

Thank you so much for your 5-star review, Michael! We're glad to hear you had a good estimate experience with Cornett Heating & Cooling. We appreciate your feedback and look forward to serving you again in the future!

Kathy Siviter — review for Cornett Heating & Cooling
Kathy Siviter - 7578 Beach Drive , Pasadena, MD, US
Very responsive and fixed everything quikly!
Cornett Heating & Cooling response
Response from Cornett Heating & Cooling14 days ago

Thank you for your kind feedback! We appreciate your business!

David Smith — review for Cornett Heating & Cooling
David Smith - 1107 Double Chestnut Court , Riviera Beach, MD, US
Service person was friendly and professional. The problem was easily fixed (the inspector left the breaker off on the unit) but he took a few minutes to go over the safeties on the unit and showed me some easy things to check if I have problems.
Cornett Heating & Cooling response
Response from Cornett Heating & Cooling14 days ago

Thank you for your feedback David! Glad we could help!