Cost to Central AC Installation in Boise, ID (2026)
If you’re budgeting a central ac installation in Boise, most projects run $4,501-$12,003, right at the $7,500 national average. What moves that number most is usually one thing: Unit Size (Tonnage). On its own it can swing the cost by $3,650 - $14,000, so that’s the decision to slow down on before you sweat the smaller stuff.
Easiest place to save: Get quotes in fall or spring. HVAC companies are slammed in summer heat waves and winter cold snaps. Off-season quotes can be 10-20% lower, and you'll have more scheduling flexibility.
In the Mountain West (where Boise sits): Dry climate reduces tonnage needs, but labor costs are rising in growing metros.
$4,501-$12,003 in Boise
Same as the national average · 1.00x cost multiplier
Expect to pay $4,501-$12,003 for a central ac installation in Boise, right at the national benchmark. The Mountain West region's contractor market and material costs account for most of this difference. The detailed breakdown below shows how budget, mid-range, and premium projects compare at Boise prices.
Cost Breakdown in Boise
| Line Item | Low | Mid | High |
|---|---|---|---|
| Cost per ton | $4501 | $7502 | $14003 |
| Materials | $2,870 | $4,305 | $7,687 |
| Labor | $1,695 | $2,355 | $2,826 |
| Permits | $205 | $359 | $513 |
| Total | $4,770-5% vs. national avg | $7,019-6% vs. national avg | $12,051+0% vs. national avg |
Budget
14-15 SEER economy brand (Goodman or Amana), 2.5-3 ton unit, replacement into existing ductwork, standard thermostat
Mid-Range
16-18 SEER mid-tier brand (Rheem, Trane, or Carrier), 3 ton unit, existing ductwork, programmable or smart thermostat
Premium
19-21 SEER variable-speed unit, top brand (Lennox or American Standard), 3-4 ton, existing ductwork, smart thermostat, enhanced air filtration
Material Options
Material prices below are national averages; availability in Boise may shift costs slightly.
| Material | Cost/Unit | Best For |
|---|---|---|
| 14 SEER Unit | $1,725-$3,600 (equipment only) | Budget replacements, mild climates, homes you plan to sell soonLowest upfront cost, meets minimum federal standard, reliable performance |
| 16 SEER Unit | $2,875-$6,000 (equipment only) | Best value for most homeowners - sweet spot of cost and efficiencyGood efficiency gains over 14 SEER, reasonable payback, quieter operation |
| 18 SEER Unit | $4,100-$7,800 (equipment only) | Hot climates with heavy AC usage, homeowners planning to stay long-termSignificantly lower utility bills, two-stage or variable-speed, very quiet |
| 20+ SEER Unit | $5,750-$9,600 (equipment only) | Premium installations, very hot climates, homeowners who prioritize comfort and efficiencyMaximum efficiency, variable-speed for precise comfort, whisper-quiet, may qualify for tax credits |
Other Projects in Boise
Boise Estimate
Typical Range
$4,501-$12,003
vs. National Average
Same as national
Cost Multiplier
1.00x
Cost Per ton
$4501-$14003
This 1.00x estimate prices Boise labor from BLS Occupational Employment and Wage Statistics (May 2025) and applies a lighter regional adjustment to materials and permits, which vary less by metro than labor does. Actual bids vary by contractor, project scope, and timing.
See national average costs →