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

Dave&Melanie — review for Cornett Heating & Cooling
Dave&Melanie
Zach was wonderful. He was on time, professional, and went above and beyond to help answer questions. He also provided useful tips for maintenance to avoid problems with our AC down the line.
Cornett Heating & Cooling response
Response from Cornett Heating & Coolinga year ago

Thank you for your positive review! We are glad we could help and appreciate your business!

Mary Mouring — review for Cornett Heating & Cooling
Mary Mouring - 816 205th Street , Pasadena, MD, US
On time, detailed, and made sure everything worked before leaving. Technician also cleaned up the area.
Cornett Heating & Cooling response
Response from Cornett Heating & Coolinga year ago

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

Brooke Long — review for Cornett Heating & Cooling
Brooke Long - 1300 Pennington Lane North , Annapolis, MD, US
First time using Cornett Heating and Cooling and couldn’t be happier we chose them. The office staff that answered my call was friendly and helpful and sent a technician out within a couple hours. Our technician, Zach, was amazing! He was friendly, honest, and explained everything he was doing. Added bonus-he was able to fix our HVAC system on the spot. We will definitely be returning customers and recommend them to all our family, friends, and neighbors.
Cornett Heating & Cooling response
Response from Cornett Heating & Coolinga year ago

Thank you for taking the time to leave us amazing feedback! We are glad we could help and appreciate your business!

Dave Huzarewicz — review for Cornett Heating & Cooling
Dave Huzarewicz
Zack was On time, professional and thorough. Knowledgeable and explained the situation. He was selling all the time with his knowledge of the system and is an Asset to your company. I hope he is compensated adequately!
Cornett Heating & Cooling response
Response from Cornett Heating & Coolinga year ago

Thank you for your kind words! We are glad we could help and appreciate your business!

Sean Boyle — review for Cornett Heating & Cooling
Sean Boyle - 681 Wellerburn Avenue , Severna Park, MD, US
Great and honest service. Zack was thorough, professional, and timely. Highly recommend.
Cornett Heating & Cooling response
Response from Cornett Heating & Coolinga year ago

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