HVAC Cost in Union, WA in 2026
Most HVAC projects in Union, WA cost between $5,500 and $17,000. The typical price is $9,500.
Labour and materials in Union run about 8% above 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 Union, WA
Businesses listed on Google near Union, WA. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Olympic Heating & Cooling, LLC
5.0(172 reviews)
828 E Hiawatha Blvd, Shelton, WA 98584
Sprague Mechanical LLC
4.9(118 reviews)
22471 WA-3, Belfair, WA 98528
K&A Heating and Air Conditioning
5.0(18 reviews)
22721 WA-3, Belfair, WA 98528
Sheltonn HVAC Repair Service
5.0(4 reviews)
118 S 2nd St, Shelton, WA 98584
Day & Night Heating & Cooling Inc
No rating yet
61 E Seattle St, Union, WA 98592