What We Do

Certified Technicians You Can Trust

Ann Arbor’s Award-Winning Service Professionals for 7 Consecutive Years

For more than 90 years, Koch & White has served as Washtenaw County’s preferred home service specialists. As proud recipients of the Carrier President’s Award for seven years running, we are confident in our team’s ability to deliver unparalleled service excellence that local families can trust. Your safety and comfort are always our top priority, and our certified technicians are continuously trained to ensure your needs are always met, and your expectations are always exceeded.

Get the superior home service experience you deserve. Call 734-663-0204 to request HVAC, and generator services from Koch & White! 

Koch & White is your local full service provider for over 90 years
  • INSTALL – SERVICE – MAINTENANCE
  • FURNACES
  • AIR CONDITIONERS
  • GENERATORS
  • HEAT PUMPS (AIR & GEOTHERMALS)
  • WATER HEATERS
  • HUMIDIFIERS
  • INDOOR AIR QUALITY
  • COMMERCIAL REFRIGERATION
  • ZONING SYSTEMS
  • DUCT-LESS HEAT PUMPS

Our Promotions

$25 OFF

Residential Furnace, Boiler, or A/C Repair Service
Good for $25 Off Residential Furnace, Boiler, or A/C Repair Service. Expires 03/31/24
Not good for previous visits or contracts. Cannot be combined with any other offer. Not valid on Maintenance/Clean & Checks or Service Fees. Must mention coupon at time of scheduling.

$150 OFF

New A/C System Replacement
Good on Whole System Replacements Only. Can be used with $150 Furnace Replacement Coupon. Expires 03/31/24
Must mention coupon at the time of estimate scheduling. Not valid with any other offer.

$150 OFF

New Furnace Replacement
Good on Whole System Replacements Only. Can be used with $150 A/C Replacement Coupon. Expires 03/31/24
Must mention coupon at the time of estimate scheduling. Not valid with any other offer.
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You don't have to sacrifice your family's comfort

Financing Options Available

What To Expect

Discover the Difference


90 years of service in Washtenaw County
90 years of service in Washtenaw County

We have proudly served Ann Arbor and the surrounding region for over 90 years.

Certified Technicians
Certified Technicians

Our certified technicians receive continuous training, ensuring you always receive the most advanced solutions.

100% Employee-Owned
100% Employee-Owned

We are proud to be 100% employee-owned, fostering a shared commitment to success and innovation.

Carrier President's Award for 7 years in a row
Carrier President's Award for 7 years in a row

Our expert technicians have been recognized by the Carrier President’s Award for 7 straight years.

Safety Is Our Top Priority
Safety Is Our Top Priority

We are committed to ensuring your home safety and comfort above all else.

What To Expect

Discover the Difference


90 years of service in Washtenaw County
90 years of service in Washtenaw County

We have proudly served Ann Arbor and the surrounding region for over 90 years.

Certified Technicians
Certified Technicians

Our certified technicians receive continuous training, ensuring you always receive the most advanced solutions.

100% Employee-Owned
100% Employee-Owned

We are proud to be 100% employee-owned, fostering a shared commitment to success and innovation.

Carrier President's Award for 7 years in a row
Carrier President's Award for 7 years in a row

Our expert technicians have been recognized by the Carrier President’s Award for 7 straight years.

Safety Is Our Top Priority
Safety Is Our Top Priority

We are committed to ensuring your home safety and comfort above all else.