Cornett Heating & Cooling

About Cornett Heating & Cooling

Cornett Heating & Cooling is a family-owned HVAC company serving homes and light commercial properties in Anne Arundel County, Maryland. The company provides air conditioning installation and repair, gas furnace installation and repair, water heater service, preventive maintenance, and light commercial heating and cooling work. Its technicians work with multiple equipment brands and models, and the business offers free consultations for HVAC needs. The company states that the family business began in 1991 and that Josh Cornett took it over in 2016. Cornett Heating & Cooling is licensed and bonded, and its listed qualifications include NATE certification, Bosch Platinum Contractor accreditation, and membership in Air Conditioning Contractors of America. Service areas include Pasadena, Severna Park, Annapolis, Arnold, Glen Burnie, Millersville, Crownsville, Edgewater, Odenton, Gambrills, Crofton, and Severn.

At a glance

Trades

HVAC

In business

35 years (since 1991)

Service area

Pasadena, Severna Park, Annapolis, Arnold, Glen Burnie, Millersville, Crownsville, Edgewater, Odenton, Gambrills, Crofton, Severn

Address

104 Ritchie Hwy, Pasadena, MD 21122

Highlights

Emergency service

Services

• Air conditioning installation
• Air conditioning repair
• Gas furnace installation
• Gas furnace repair
• Water heater installation
• Water heater repair
• HVAC preventive maintenance
• Light commercial HVAC

How the 92 score breaks down

Scores are calculated the same way for every company. See the method.

What customers say

The Cornett Team was great! Chris was early for our appointment, communicated very well throughout the inspection and was very professional.

Google review, Oct 30, 2026

Very responsive and fixed everything quikly!

Google review, Oct 29, 2026

Cornett did a great job. Highly recommend

Google review, Oct 29, 2026

Rating distribution and reviews from the company's public Google listing.

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