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Furnace Installation & Replacement in Janesville, MN
A new 95–98% AFUE gas furnace installed by Maddox Heat & Air Conditioning can cut a Janesville heating bill by a quarter or more compared with a 20-year-old 80% unit. We size the furnace to the house, replace venting and the thermostat as needed, and haul the old unit away.
Signs you need furnace installation in Janesville
- Furnace is 15+ years old
- Cracked heat exchanger (a safety issue)
- Repairs are adding up every winter
- Uneven heat between floors
- You want a two-stage or variable-speed system for quieter, steadier comfort
- Switching from oil or propane to natural gas
How furnace installation works with Maddox
Call (855) 459-5498 and describe what the system is doing. Our dispatcher schedules a technician for Janesville — same day for most repairs, immediately for emergencies. On site, the technician diagnoses the fault, shows you the failed part, and quotes one flat price. Approve it and most repairs are finished from the parts on the truck. Every job in Janesville carries a written warranty.
Furnace Installation near me in Janesville and Waseca County
From the first heat wave to the last cold snap, Maddox Heat & Air Conditioning keeps Janesville, MN comfortable. We repair, replace and maintain central air conditioners, gas furnaces, boilers, heat pumps and ductless mini splits — residential and light commercial — with 24/7 emergency service.
Searches we answer from Janesville:
Furnace Installation service area: Janesville, MN
Janesville reviews
“Three other companies told me I needed a new furnace. Maddox cleaned the flame sensor and replaced the ignitor. Still running two winters later.”
— Pat L., Janesvillefurnace-installation, MN“Our restaurant rooftop unit died at lunch rush. They had a tech on the roof within two hours. Dining room was cool by dinner.”
— Sam D., Janesvillefurnace-installation, MN“Fair price, clean work, showed up in the window they gave me. That's all I want from a repair company.”
— Tom W., Janesvillefurnace-installation, MNFurnace Installation in Janesville: questions
What does a new furnace cost in Janesville?
Most furnace replacements in Janesville run $3,800–$7,500 installed depending on size, efficiency and venting. Written flat-rate quote, no pressure.
How long does installation take?
A like-for-like furnace replacement is done in a day. We arrive in the morning and you have heat that evening.
Do you install furnaces in Janesville year-round?
Yes. Winter replacements are common; we bring temporary heat if the old furnace has failed.
Need furnace installation in Janesville now?
Live dispatch, 24 hours a day. One flat price before work starts.
Call (855) 459-5498