How much does a new HVAC installation typically cost for homeowners?
A new HVAC installation cost is confirmed after an on-site assessment and a written proposal. You’ll see up-front pricing before work starts. Financing is available, including options as low as $120 per month and 0% for up to 18 months (subject to approval). We handle complete installs, replacements, and ductwork matching. We serve Boise, Nampa, Caldwell, and nearby.
Cost drivers to consider:
- System type and size
- Ductwork condition or modifications
- Indoor air quality add-ons
- Accessibility and project complexity
Updated: 2026-01-02 00:00:00
Need help in Boise, 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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