Take a look at our past work!

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, 410-647-6979

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.


Check out some important pages from our company's website:


Read what 300+ clients have said about our services:

Our Work

25 Belleview Drive , Severna Park, MD, US

Cornett Heating & Cooling installed this Bosch unit in one day. We are proud to be a top HVAC company in Severna Park, Pasadena, Glen Burnie, Andover, Linthicum Heights, Arnold, Annapolis, Crofton, Davidsonville, Edgewater, Mayo, Harwood and surrounding areas. We are proud to have served Anne Arundel County Maryland since 1992. If you are in need of a new unit, you can request a service call today and one of our technicians will be out to your house in no time at all.

  • Our Services
  • Our Services: Repairs
  • Our Services: Full Installs
2109 Bay Drive , Annapolis, MD, US

Cornett Heating & Cooling installed this Bosch heat pump in Annapolis, Maryland. If you'd like to learn more about our company, we encourage you to visit our website, https://www.cornetthvac.com/. We are family owned and operated since 1992 and pride ourselves on great communication throughout the project. You cannot go wrong with Cornett Heating & Cooling.


  • Our Services
  • Our Services: Repairs
  • Our Services: Full Installs
1069 Rustling Oaks Drive , Millersville, MD, US

Cornett Heating & Cooling installed this Bosch unit in one day. We are proud to be a top HVAC company in Severna Park, Pasadena, Glen Burnie, Andover, Linthicum Heights, Arnold, Annapolis, Crofton, Davidsonville, Edgewater, Mayo, Harwood and surrounding areas. We are proud to have served Anne Arundel County Maryland since 1992. If you are in need of a new unit, you can request a service call today and one of our technicians will be out to your house in no time at all.

  • Our Services
  • Our Services: Full Installs
258 Cider Court , Severna Park, MD, US

Cornett Heating & Cooling installed this Bosch 4 Ton Heat Pump unit in one day. We are proud to be a top HVAC company in Severna Park, Pasadena, Glen Burnie, Andover, Linthicum Heights, Arnold, Annapolis, Crofton, Davidsonville, Edgewater, Mayo, Harwood and surrounding areas. We are proud to have served Anne Arundel County Maryland since 1992. If you are in need of a new unit, you can request a service call today and one of our technicians will be out to your house in no time at all.

  • Our Services
  • Our Services: Full Installs
44 Cedar Road , Severna Park, MD, US
  • Our Services
  • Our Services: Full Installs

Customer Testimonials

Reviewer photo
Marsha Hambrick
Michael and Gabriel were polite, affable and tidy. Their professional demeanor made me comfortable signing a contract for the next year. I look forward to working with Cornett Heating and Cooling in the future.
Reviewer photo
Robin Sells
I highly recommend Cornett Heating and Cooling! I have been a customer since 2004. Hard working employees, friendly and very good about explaining what they were going to do and answering all of my questions.
Reviewer photo
Larry Sells
Cornett HVAC cleaned my air ducts and dryer vent today and were fast, efficient, and did quality work. I highly recommend them for cleaning your air ducts and dryer vents. A+ Quality company all the way. Choose Cornett for cleaning your air ducts in confidence. I HIGHLY RECOMMEND THEM!! Great LOCAL company that does GREAT WORK. You can trust Cornett Heating and Cooling.
Reviewer photo
Thomas Streiff
Zac and Gabriel were great!
Reviewer photo
Mary Beth Donovan
Outstanding! Zack explained what he did in easy to understand details. He was very personal and courteous. He and his partner were delightful. Thank you!!