Our Certifications at Keystone Heating & Air Conditioning Co., Inc

We’re dedicated to providing the Racine community with the most responsive heating and cooling service possible. To ensure our expertise, we’ve participated in rigorous training to receive the industry certifications you see below. Find out more about our certifications here and give us a buzz at 262-358-9468 to speak directly with our representatives.

North American Technician Excellence (NATE)

NATE CertifiedNATE is North America’s largest non-profit heating, ventilation, air conditioning and refrigeration certification organization. NATE certified technicians offer outstanding installation and maintenance on your heating and cooling systems. These technicians have verified their knowledge in the HVAC specialty areas including:

  • Air conditioning
  • Air distribution
  • Heat pumps
  • Gas heating
  • Oil heating
  • Hydronics gas
  • Hydronics oil
  • Ground source heat pump loop installer
  • Senior HVAC Efficiency Analyst

Dave Lennox Premier Dealer

Lennox Premier Dealer

Dave Lennox Premier Dealers are specially trained and independently evaluated regularly to offer a higher level of customer service. As a Dave Lennox Premier Dealer, our team in Racine has partnered with Lennox®, a top name in home comfort, to provide some of the most innovative and energy efficient heating and cooling products in the industry. To keep “Premier” status, Keystone Heating & Air Conditioning Co., Inc takes part in an independent Customer Review program that encourages our clients to honestly rate our performance so we can make sure our staff continuously is meeting or exceeding the highest standards for quality service.

Better Business Bureau

Keystone Heating & Air Conditioning, Inc. BBB Business Review

Keystone Heating & Air Conditioning Co., Inc is a member of the Better Business Bureau. That means we operate by ethical business behaviors and share trustworthy information with our customers. We have a solid rating and are proud to be part of this organization.


SMACNAThe Sheet Metal and Air Conditioning Contractors' National Association is an international trade association. SMACNA members perform work in industrial, commercial, institutional, and residential markets. They are a leader in promoting quality and excellence in the sheet metal and air conditioning industry.

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