Washtenaw County, Michigan
Top-Rated HVAC Companies in Washtenaw County, MI (2026)
79 HVAC companies in Washtenaw County. The top 25 by score, then every city.
Who is the best HVAC company in Washtenaw County, MI?
As of October 2026, the highest-scoring HVAC company in Washtenaw County on TownAnswer is Randazzo Heating & Cooling in Ypsilanti, with 80 out of 100.
Top 25 in Washtenaw County
HVAC Companies by city in Washtenaw County
| City | Listed | Scored | Top business |
|---|---|---|---|
| Ann Arbor | 38 | 35 | Indoor Comfort Heating & Cooling |
| Ypsilanti | 15 | 14 | Randazzo Heating & Cooling |
| Saline | 6 | 3 | Lashbrook Mechanical |
| Dexter | 3 | 3 | Haley Mechanical - Dexter |
| Lodi Township | 3 | 3 | J & L Heating and Cooling |
| Whitmore Lake | 3 | 2 | Michigan Energy Services |
| Webster Township | 2 | 2 | Trusted Heating & Cooling Solutions |
| Chelsea | 1 | 1 | Steele Heating & Cooling |
| York Township | 1 | 1 | AMP Heating and Cooling |
| Ypsilanti Township | 1 | 1 | Air Temperature Control inc |
| Scio Township | 1 | 1 | Therma-Tech, LLC. |
| Sharon Township | 1 | 1 | Fields Mechanical |
| Northfield Township | 1 | 1 | CMR Mechancial |
| Sylvan Township | 1 | 1 | Unique Solutions Heating and Cooling |
| Saline Township | 1 | 0 | n/a |
What to ask
- Does the company hold a Michigan mechanical contractor licence?
- Will they do a load calculation before they size a new system?
- Is the quote for the installed system, with removal and permit included?
- What is the parts and labor warranty, and who registers it?
- Do they offer a maintenance plan, and what does a tune-up include?
Questions
How many HVAC companies are in Washtenaw County?
Our October 2026 data lists 79 HVAC companies in Washtenaw County across 15 city pages.
Who is the top-rated HVAC company in Washtenaw County?
As of October 2026, the highest-scoring HVAC company in Washtenaw County on TownAnswer is Randazzo Heating & Cooling in Ypsilanti, with 80 out of 100.
Can a business pay to rank higher?
No. Every business is scored by the same rules.
TownAnswer ranks local businesses by one published method. Businesses cannot pay to change their rank. Ratings and review counts come from Google Maps, read in October 2026. Details change, so confirm hours, prices and licences with each business. How we rank.