8 AC Installation Contractors in Post Falls, ID

4.2 avg rating
7,322 total reviews2 offer 24/7 service

Top-Rated AC Installation Contractors in Post Falls

#1

Bill's Heating & A/C

4.8(5,725 reviews)
24/7 Highly Rated

Nearly all 5,527 reviews award 5 stars, with customers specifically naming technicians Taylor, Wyatt, Adam, and Scott as reasons for their satisfaction. The…

1007 N Boulder Ct, Post Falls, ID 83854
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#2

Comfort Heating, Cooling, Electrical & Plumbing

4.9(1,526 reviews)
Highly Rated

All eight sampled reviews award five stars, with three explicitly mentioning same-day or prompt response times during heating emergencies. Pricing receives no…

3620 E Covington Ave, Post Falls, ID 83854
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#3

Finney Heating and Cooling L.L.C.

5.0(43 reviews)

All 43 reviews award 5 stars, with customers consistently praising honest assessments and fair pricing rather than aggressive upselling. Emergency…

3751 W 5th Ave Unit 2C, Post Falls, ID 83854
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All AC Installation Contractors (8 total)

Next Day Air And Heating

5.0(8)
24/7

Eight reviewers awarded perfect 5-star ratings, with multiple clients specifically mentioning same-day…

17015 W Tulip Ct B20, Post Falls, ID 83854
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Comfort Heating, Cooling, Electrical & Plumbing

5.0(6)

Three of six reviews mention specific technicians by name, with Conrad noted for panel and receptacle work.…

920 N Spokane St, Post Falls, ID 83854
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MADDOG CONTRACTING, LLC, HVAC CONTRACTOR

4.1(9)

Five of nine reviewers award five stars, with customers specifically praising Mike's diagnostic accuracy,…

2139 W Alsea Ave, Post Falls, ID 83854
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Con Air Heating and Air Conditioning

5.0(5)

All five reviews award five stars, with three reviewers explicitly naming Lee or Lee Waddell as the…

2902 W Riverbend Ave, Post Falls, ID 83854
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Inland Mechanical Solutions

0.0

No customer reviews are available for this business listing. Interested homeowners should contact the…

6124 W Seltice Way, Post Falls, ID 83854
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AC Installation Costs in Post Falls

New central AC installation costs in Post Falls, by system type and brand.

ServiceLowAverageHigh
Window unit
$168$392$784
Ductless mini-split (single zone)
$2,240$5,040$8,960
Central AC replacement (existing ducts)
$3,920$7,280$13,440
Central AC new install (with ductwork)
$7,840$13,440$22,400
Carrier (residential)
$4,256$6,944$11,760
Trane (residential)
$5,600$9,856$15,232
Lennox (residential)
$3,920$7,280$13,440
Rheem (residential)
$3,584$6,160$10,080

Prices reflect continental metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.

AC Installation in Post Falls, ID: What to Expect

Post Falls sits in the Spokane metro area of the Inland Northwest, where summer highs reach 86 F under dry continental conditions that make cooling systems work efficiently. Winters drop to around 24 F, creating heavy heating demand that runs for months. Eight HVAC contractors serve the area with an average rating of 4.2 stars across more than seven thousand reviews. Homeowners planning AC Installation in Post Falls will find a competitive market of licensed professionals ready to handle the region's seasonal extremes.

Window AC units run between $168 and $784, while single-zone ductless mini-split systems cost $2,240 to $8,960. For homes with existing ductwork, full central AC replacement ranges from $3,920 to $13,440, with pricing reflecting equipment efficiency, labor complexity, and any duct modifications needed. Idaho law requires every HVAC contractor to hold a valid license from the Idaho Division of Building Safety and employ a licensed HVAC Journeyman to perform installation work, ensuring homeowners hire qualified professionals for the job.

Customer feedback shows distinct strengths among top-rated contractors. Bill's Heating & A/C earns nearly all 5,527 reviews at five stars, with clients naming technicians Taylor, Wyatt, Adam, and Scott as reasons for their satisfaction. Comfort Heating, Cooling, Electrical & Plumbing draws praise for same-day response during heating emergencies, while Finney Heating and Cooling L.L.C. stands out for honest assessments and fair pricing without aggressive upselling. These patterns reflect what matters most to Post Falls homeowners: reliable emergency response, transparent communication, and equipment sized correctly for the job.

Frequently Asked Questions

New AC installation in Post Falls costs $168-$22,400 depending on system type. Window units run $150-$700, ductless mini-splits $2,000-$8,000 per zone, central AC replacement with existing ducts $3,500-$12,000, and full new installs with ductwork $7,000-$20,000. SEER rating, tonnage, and brand significantly affect pricing.