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

500 Old Pasture Lane , Severna Park, MD, US

Bosch 2 Ton Heat pump 18 seer

  • Our Services
  • Our Services: Repairs
  • Our Services: Full Installs
1934 Arundel Road , Pasadena, MD, US
  • Our Services
  • Our Services: Full Installs
5 Bristol Circle , Annapolis, MD, US

Cornett HVAC installed this 3-ton Bosch with Gas Furnace in Annapolis. If you are trying to choose the right HVAC company for you, you should consider the following:


  1. Research Reputation: Look for reviews, testimonials, and ratings online to gauge the reputation of each company. Pay attention to factors such as customer satisfaction, reliability, and professionalism.
  2. Request Multiple Quotes: Obtain quotes from at least three different HVAC companies to compare pricing, services offered, warranties, and any additional perks or incentives.
  3. Verify Credentials: Ensure that the HVAC companies you're considering are licensed, bonded, and insured. Additionally, check for certifications from reputable organizations such as NATE (North American Technician Excellence) to ensure technicians are well-trained.
  4. Seek Recommendations: Ask friends, family, or neighbors for recommendations based on their experiences with HVAC companies. Personal referrals can provide valuable insights into the quality of service and customer satisfaction.


Click on any of the links above and see why Cornett is the right company for you and thank you for yoru consideration 👊.

  • Our Services
  • Our Services: Annual Maintenance Program
  • Our Services: Full Installs
444 Severnside Drive , Severna Park, MD, US

Bosch 4 Ton Heat pump, before and after

  • Our Services
  • Our Services: Full Installs
780 Fairview Avenue , Annapolis, MD, US

Cornett Heating & Cooling proudly installed a top-of-the-line 2 Ton Goodman gas furnace in a residence located in Annapolis, 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 Annapolis and beyond, where quality craftsmanship meets exceptional service.

  • Our Services
  • Our Services: Full Installs

Customer Testimonials

Reviewer photo
Heather Ward
Michael arrived as scheduled, listened to the concern, and got right to work to solve the issue. Our heat was back up and running in less than 30 minutes and he explained what happened and what to do going forward to avoid the issue again. Thank you
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!