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, 410-801-7771

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.


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


Read what 300+ clients have said about our services:

Our Work

613 Cape McKinsey Drive , Severna Park, MD, US

For this job, Cornett HVAC provide an annual maintenance program on this 3-ton Bosch heat pump. We highly recommend an annual maintenance program for your HVAC unit. It is highly beneficial as it ensures optimal performance, identifying and addressing potential issues before they escalate, thereby preventing costly repairs and extending the system's lifespan. Moreover, regular maintenance enhances energy efficiency, lowering utility costs and providing consistent comfort throughout the year. Give us a call today to learn more about our annual programs, 410-801-7771 . You will be happy you did!

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  • Our Services: Annual Maintenance Program
  • Our Services: Full Installs
355 Loblolly Way , Grasonville, MD, US
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9 Sonneborn Lane , Severna Park, MD, US

Another expert installation in Millersville, MD: a Bosch 2-Ton Heat Pump by Cornett Heating & Cooling. With decades of experience and over 700 five-star reviews, trust our team. Call us today 410-801-7771.

  • Our Services
  • Our Services: Repairs
  • Our Services: Full Installs
  • Our Services: Annual Maintenance Program
316 Songwood Court , Millersville, MD, US
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109 Saint Andrews Road , Severna Park, MD, US
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  • Our Services: Annual Maintenance Program
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Customer Testimonials

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John Chenery
We are extremely happy with the response and results Cornett delivered related to our emergency HVAC situation. Their team lead, Seth, went above and beyond simply fixing storm related damage, taking time to optimize our system's overall performance. A professional team delivering quality results! Thank you!!
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C
Fast, polite and fixed!
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Andrew Fussell
Great company. Had them come out to look at my system, very honest and upfront about everything. Much better than the last HVAC company I used. Michael the tech was awesome!
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Frannie Mudd
Service response was quick and efficient on the hottest day of the week to repair the AC that just stopped cooling that day. I’m so grateful for Danny’s fast response since my husband just returned home and recovering from a 2 month hospital stay. Thank you!
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Jordan Doster
Professional. On-time. Answered all my questions and was HONEST! You all just found a new customer.