AJ Heating & Cooling LLC
HVAC
Serving Walker, MN
From Google Business Profile
5.0
30 Google reviews
Hours
| Monday | 8 AM–4 PM |
| Tuesday | 8 AM–4 PM |
| Wednesday | 8 AM–4 PM |
| Thursday | 8 AM–4 PM |
| Friday | 8 AM–4 PM |
| Saturday | Closed |
| Sunday | Closed |
Google categories: HVAC contractor
View on Google Maps →Last checked October 12, 2026.
More from Google Business Profile
Listed features
- Accessibility
- Wheelchair accessible restroom
- Wheelchair accessible seating
- Assistive hearing loop
Photos on Google: 20
Recent Google reviews (excerpts)
Written by Google users, not by EdgeLocal. EdgeLocal has not verified them and does not show reviewer names.
5 out of 5 stars · Jul 2026 · Owner replied
Thanks AJ heating and Cooling, air conditioner stop cooling during 90 plus heat, Jason and his crew, figured the problem out and fixed in a few minutes. Now we can enjoy the time we have at the lake
5 out of 5 stars · Jun 2026 · Owner replied
Garret Hicks: very knowledgeable, extremely patient in finding the cause of of cooling issues and resolved the matter promptly and affordable! Would absolutely recommend your company in need of furnace air conditioner work!
5 out of 5 stars · Mar 2026 · Owner replied
AJ's has been my go to for a few years now. Their staff are awesome. The pricing is great and their service after the sale is top-notch. Highly recommend!
The owner replied to 5 of the 5 most recent reviews Google showed.
From Google Business Profile, last checked October 12, 2026.
About hvac contractors in Walker
HVAC contractors install, service and repair furnaces, air conditioners, heat pumps and ductwork. HVAC contractors replace furnaces and central air conditioners, install heat pumps and ductless mini-splits, perform seasonal tune-ups, seal and balance ductwork, add humidifiers and air filtration, and respond to no-heat emergencies.
Typical cost: $5,500–$14,000 for a furnace or central AC replacement. See the full cost guide
Typical U.S. ranges from industry sources (2024–25); not EdgeLocal data. Your quote will vary with scope, materials and location.
Questions to ask this contractor
- Ask for a load calculation: A Manual J calculation sizes equipment for your actual home.
- Compare equipment line by line: Match model numbers, efficiency ratings and warranty terms across quotes.
- Verify mechanical licensing: Iowa and several neighboring states license HVAC/mechanical work.