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

Maclean Stevenson — review for Cornett Heating & Cooling
Maclean Stevenson - 106 Sycamore Road , Linthicum Heights, MD, US
All of the employees at Cornett HVAC are amazing. They such quality customer service. I would not use any other company.
Rebecca Amy — review for Cornett Heating & Cooling
Rebecca Amy - 5 Spring Haven Court , Severna Park, MD, US
Today Cornett replaced the HVAC system in our home. They were prompt, clean and considerate. terrific job well done.
Cornett Heating & Cooling response
Response from Cornett Heating & Cooling2 years ago

Thank you for your kind words! Glad we could help!

Brent Nilsen — review for Cornett Heating & Cooling
Brent Nilsen - 81 Roads End Lane , Severna Park, MD, US
On time and great service. Very quick. They were able to accommodate me within days of reaching out and coming to give an estimate.
Cornett Heating & Cooling response
Response from Cornett Heating & Cooling2 years ago

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

Gloria Torres — review for Cornett Heating & Cooling
Gloria Torres - 1011 Cayer Drive , Glen Burnie, MD, US
You all are always the best! Thank you !!!
Maryne Fairbanks — review for Cornett Heating & Cooling
Maryne Fairbanks
Courteous and efficient tech. He explained what he did and how our system was working properly.