Cass County, Michigan
Top-Rated HVAC Companies in Cass County, MI (2026)
11 HVAC companies in Cass County. The top 25 by score, then every city.
Who is the best HVAC company in Cass County, MI?
As of October 2026, the highest-scoring HVAC company in Cass County on TownAnswer is Lake Effect HVAC Company in Dowagiac, with 72 out of 100.
Top 10 in Cass County
| # | Business | City | Score | Rating | Reviews |
|---|---|---|---|---|---|
| 1 | Lake Effect HVAC Company | Dowagiac | 72 | 4.9 | 197 |
| 2 | All Brands Heating and Cooling | Dowagiac | 68 | 4.9 | 55 |
| 3 | Discount Heating and Air LLC | Cassopolis | 68 | 4.9 | 54 |
| 4 | All Brands Heating and Cooling | Dowagiac | 66 | 4.8 | 50 |
| 5 | Sears Appliance Repair | Dowagiac | 64 | 4.4 | 271 |
| 6 | Rohdy's Heating & Cooling. | Dowagiac | 58 | 4.6 | 35 |
| 7 | Dowagiac Heating & Air Conditioning | Dowagiac | 53 | 4.5 | 46 |
| 8 | AFFORD-A-PRO | Marcellus | 39 | 5.0 | 1 |
| 9 | Dennis Mack Heating & Cooling | Cassopolis | 39 | 5.0 | 1 |
| 10 | Cass Heating & Air Conditioning | Cassopolis | 38 | 1.0 | 1 |
HVAC Companies by city in Cass County
| City | Listed | Scored | Top business |
|---|---|---|---|
| Dowagiac | 7 | 6 | Lake Effect HVAC Company |
| Cassopolis | 3 | 3 | Discount Heating and Air LLC |
| Marcellus | 1 | 1 | AFFORD-A-PRO |
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 Cass County?
Our October 2026 data lists 11 HVAC companies in Cass County across 3 city pages.
Who is the top-rated HVAC company in Cass County?
As of October 2026, the highest-scoring HVAC company in Cass County on TownAnswer is Lake Effect HVAC Company in Dowagiac, with 72 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.