Mark Guy Heating & Air
hvac
Serving Mayer, MN
No phone or website on file.
Location: 1148 Cardinal Cir, Mayer, MN 55360From Google Business Profile
5.0
2 Google reviews
Hours
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| Thursday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Open 24 hours |
| Sunday | Closed |
Google categories: HVAC contractor
View on Google Maps →Last checked October 19, 2026.
More from Google Business Profile
Photos on Google: 6
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 · Mar 2025
He came next day and rearranged his schedule to accommodate our drywall schedule. He did great work spacing out our new vents to make them efficient while working within the space we have to keep things hidden! We’ll likely be calling him…
5 out of 5 stars · Oct 2024
Had Mark do a tuneup on my furnace to prep for winter. He was very patient explaining how the system worked, and what he was going to do. He was thorough and friendly. Very fair priced! Thanks a ton!
From Google Business Profile, last checked October 19, 2026.
About hvac contractors in Mayer
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.