Vetted hvac providers across 13 Idaho cities. Each provider is scored on a 0–100 Vouched Score blending public-record signals, customer reviews, and editorial assessment. See methodology →
Local cost drivers — climate, code, utility rebates, and refrigerant rules — that shape hvac pricing in Idaho.
Idaho's climate drives heating-first demand: dry, cold continental winters statewide paired with hot, dry summers across Boise and the wider Treasure Valley, with large day-to-night temperature swings that reward properly sized dual-fuel and heat-pump systems; the Treasure Valley is also one of the fastest-growing metros in the country, so replacement and new-construction volume is high.
Utility rebates are real but modest and electric-conversion-focused: Idaho Power (southern Idaho) pays up to $800 for a ducted heat pump and $400 for a ductless heat pump in an existing electrically heated home, Rocky Mountain Power (eastern Idaho) wattsmart pays $1,000 (single-head) to $1,500 (multi-head) for ductless heat pumps replacing electric resistance, and Avista (northern Idaho) offers up to $2,100 to convert from electric to a natural-gas furnace; Intermountain Gas runs furnace rebates in its gas territory but doesn't publish figures online.
Idaho licenses HVAC statewide through the Division of Occupational and Professional Licenses (DOPL) and its HVAC Board, with a tiered Apprentice / Journeyman / Contractor ladder (a contractor must hold or employ a licensed journeyman), and any work touching refrigerant also requires federal EPA Section 608 certification.
Last updated May 11, 2026
Estimated ranges for Idaho. Actual cost varies with home size, equipment, and scope — always request a written quote for your job.
| Service | Typical range |
|---|---|
| AC repair (typical service call) | $150–$650 |
| Furnace repair | $150–$900 |
| Tune-up / annual maintenance visit | $90–$200 |
| Full AC system replacement (3-ton, installed) | $5,500–$13,000 |
| Furnace replacement (installed) | $3,000–$8,500 |
| Heat pump installation | $5,000–$14,500 |
| Mini-split (single-zone, installed) | $2,500–$6,500 |
| Duct cleaning (whole-home) | $350–$800 |
| Duct sealing (Aeroseal or similar) | $1,500–$3,500 |
| Whole-house humidifier (installed) | $400–$2,500 |
| Whole-house dehumidifier (installed) | $1,500–$3,500 |
| Emergency / after-hours service premium | $150–$500 |
See broader context: HVAC pricing nationwide