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

Jason Clark — review for Cornett Heating & Cooling
Jason Clark - 204 Oak Hollow Court , Pasadena, MD, US
Josh was prompt at returning a text and putting me in touch with Julie to schedule a service call. Danny was on time, let me know everything before he did it and how much it was going to cost. No hidden fees. Very personable and knowledgeable. I highly recommend Cornett Heating and Air.
neil langsner — review for Cornett Heating & Cooling
neil langsner - 260 West Pasadena Road , Millersville, MD, US
came early and was very professional....did a great job
John Fury — review for Cornett Heating & Cooling
John Fury - 5906 Park Road , Brooklyn Park, MD, US
Once again, Zach was prompt, professional and provided multiple options for my failing A/C unit. Highly recommended!
Cornett Heating & Cooling response
Response from Cornett Heating & Coolinga year ago

Thank you for your kind words and 5-star review!

Ken Roussey — review for Cornett Heating & Cooling
Ken Roussey - 8386 Carol Drive , Pasadena, MD, US
Cornett was extremely responsive and had somebody out within hours on a hot day to replace a capacitor and get the house cool again. Very professional and takes the time to explain what they're doing and why.
Cornett Heating & Cooling response
Response from Cornett Heating & Coolinga year ago

We appreciate your feedback and glad we could help!

Jennifer Hollidge — review for Cornett Heating & Cooling
Jennifer Hollidge - 910 Langley Road , Glen Burnie, MD, US
LOVE Cornett! I always know they'll show up quickly, figure out what's needed, the price will be fair and the work will be done correctly. I've never had a better HVAC company and I won't ever use anyone else. TOP NOTCH!!!