What Is the Average HVAC Installation Cost for a New System?
There isn’t a single “average” price we quote because HVAC installation cost depends on your home and system. We provide an on-site analysis and give you upfront pricing before work starts. Key drivers are system type (AC, heat pump, furnace), ductwork condition or redesign, and add-ons like humidifiers or air purifiers. Financing is available, including 0% for up to 18 months, with installs advertised as low as $120 per month. We serve Boise, Nampa, Caldwell, and nearby areas.
Updated: 2026-01-02 00:00:00
Need help in Caldwell, ID? Call (208) 738-4822 or book online.
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- Furnace Install for as low as $120/mo. Includes free proposal, financing options available, and same day service.ultimateheatingandair.com
- $120/mo A/C Install As Low As $120/Mo + Free Proposal + 4 Hour Arrivalultimateheatingandair.com
- Ductless Mini-Split install as low as $120/mo. Includes free proposal and same-day service; financing available.ultimateheatingandair.com
- Heating System Install starting as low as $120/month with free proposal and 4 Hour Arrival. Financing options available.ultimateheatingandair.com
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