Custom Engineering Heating & Cooling, A History of Excellence!

Established in 1984, Custom Engineering Heating & Cooling is a fully licensed, bonded, and insured heating and cooling company. As a certified Trane/Mitsubishi Electric Dealer, we are proud to provide tailored HVAC solutions that ensure optimal comfort and efficiency. Custom Engineering Heating and Cooling has built a reputation of being a premier home and business comfort contractor. We offer quality 24/7 service with a full understanding of the industry. Our knowledgeable and experienced technicians install the best products available on the market.

Today, Custom Engineering Heating & Cooling is run by the next generation that values the tradition of honest hard work, expertise, integrity, and commitment. We are focused on the traditions that have served our clients for 39 years and look forward to being the HVAC Contractor you can count on for many years to come.


We are heating and cooling professionals! We maintain a high level of quality among our staff. All of our installers and technicians are trained regularly and ongoing. We, and they, are certified by the following industry organizations:


The Trane Comfort Specialistâ„¢ certification means we are of the highest standing and committed to being the best in every aspect of our business, from installation and service to customer satisfaction and employee training.

Not every dealer qualifies as a Trane Comfort Specialistâ„¢, but rather only those that meet Trane's stringent standards and demonstrate a commitment to customer satisfaction and continuing education. We are committed to training to keep up to date with Trane's latest technology, ensuring that you receive a system that is designed to achieve maximum efficiency, reliability, and comfort - and a system that delivers the efficiency its rating promise and you expect.


The Better Business Bureau (BBB) system in the U.S. extends across the nation, coast-to-coast, and in Hawaii, Alaska, and Puerto Rico. Since the founding of the first BBB in 1912, the BBB system has proven that the majority of marketplace problems can be solved fairly through the use of voluntary self-regulation and consumer education.


  • Au Gres
  • Auburn
  • Bay City
  • Bentley
  • Bridgeport
  • Carrollton
  • East Tawas
  • Essexville
  • Frankenmuth
  • Freeland
  • Gladwin
  • Hale
  • Kawkawlin
  • Linwood
  • Midland
  • Omer
  • Pinconning
  • Rhodes
  • Saginaw
  • Sanford
  • Standish
  • Sterling
  • Tawas City
  • Turner
  • Twining
  • West Branch