Johnson’s furnace
hvac
Serving Cass Lake, MN
Location: 602 1st St NW, Cass Lake, MN 56633
From Google Business Profile
Hours
| Monday | 4:30–9 PM |
| Tuesday | 4:30–9 PM |
| Wednesday | 4:30–9 PM |
| Thursday | 4:30–9 PM |
| Friday | 4:30–9 PM |
| Saturday | 10 AM–7 PM |
| Sunday | 10 AM–7 PM |
Google categories: HVAC contractor
View on Google Maps →Last checked October 12, 2026.
More from Google Business Profile
Photos on Google: 2
From Google Business Profile, last checked October 12, 2026.
About hvac contractors in Cass Lake
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.