HVAC Cost in Lewistown, MT in 2026
Most HVAC projects in Lewistown, MT cost between $4,800 and $15,500. The typical price is $8,500.
Labour and materials in Lewistown run about 7% below the national average. These figures are adjusted for that, so they are not the national average you will find elsewhere.
What drives the price
- System size in tons and efficiency rating
- Heat pump versus furnace plus AC
- Ductwork condition and whether it is replaced
- Electrical or gas line changes
Usually included
- Equipment and refrigerant lines
- Installation, startup and commissioning
- New thermostat
- Haul-away of the old unit
Usually extra
- Duct replacement
- Electrical panel upgrades
- Permits and inspections
HVAC contractors in Lewistown, MT
Businesses listed on Google near Lewistown, MT. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Melton HVAC LLC
5.0(40 reviews)
421 Rd 261, Glendive, MT 59330
Judith Mountain Plumbing
4.8(17 reviews)
609 W Belden St, Lewistown, MT 59457
R & D Heating And Cooling
4.4(21 reviews)
306 5th Ave S, Lewistown, MT 59457
Ace Plumbing
4.6(9 reviews)
503 Marcella Ave, Lewistown, MT 59457
MK Weeden Construction
4.4(10 reviews)
US-87, Lewistown, MT 59457
Universal Heating, Cooling, & Refrigeration Inc
5.0(7 reviews)
201 5th Ave S, Lewistown, MT 59457