Air Conditioning
Installation & Replacement

40+ Years Experience
24/7 Services
Certified Trane/Mitsubishi Electric Dealer

Call Us Today!

Emergency Repair Service Hotline: (989) 441-0620

Your business comfort system is most likely the single biggest energy use in your business. In fact, over a third of the energy used in the United States is used to heat and cool buildings. Having a properly designed and installed heating and air conditioning system will have the biggest impact on your energy costs.

Choose Custom Engineering Heating & Cooling for your next equipment upgrade or replacement. We provide:

  • Free on-site consultation with one of our HVAC specialists.
  • Help selecting an energy-efficient heating and air conditioning system that meets your comfort preferences and lifestyle.
  • Proper sizing of the equipment to meet the unique needs of your business.
  • A convenient way to pay for your installation is through our special financing options with approved credit.
  • Full factory warranties on all equipment and labor.

Here's what our satisfied customers are saying...

Called because furnace would not stay running. Charles came out and took care of everything and cleaned anywhere he thought he made a mess. Very friendly and professional.

terri hayes


Chaz arrived on time for scheduled furnace maintenance. Chaz was professional and courteous and answered all my questions regarding humidifier settings. Very happy with whole experience Thank You Custom Engineering for great service!

Jennifer Protasiewicz


Called them on short notice when my furnace wasn't working correctly, and they had someone over within a couple hours! Amazing customer service and a great tech! Diagnosed the problem, fixed it, and has been running great!

Adrienne Arquette


Furnace broke down called and they were working on it in less than a hour. Really good people Chaz is the best tech I've seen . I would recommend this company if you're in trouble with your heating needs

Roy Harrison


Our furnace would not start, Chaz came over and had diagnosed a bad gas valve. Had it up and running within 45 min. Very happy with the serivice.

Chet B


We had a power failure which blew our furnace fuse and the Igniter failed. We bought a new one from Custom Engineering Heating & Cooling it failed when put in. We called for technician to come the next day. Technician was very good, fixed the furnace and in a very timely matter.

alvin grauherr