5 AC Replacement Contractors in Missoula, MT

4.8 avg rating
2,588 total reviews5 offer 24/7 service
Need emergency service? 7 HVAC providers in Missoula offer 24/7 availability

Top-Rated AC Replacement Contractors in Missoula

#1

Hellgate Plumbing, Heating, And Cooling

4.9(1,138 reviews)
24/7 Highly Rated

Among 1,138 reviews, positive feedback consistently mentions technician communication skills, same-day service response, and pricing transparency, while the…

725 Strand Ave, Missoula, MT 59801
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#2

Right Now Plumbing and Heating

4.8(494 reviews)
24/7 Highly Rated

495 reviews yield a 4.8 average rating, with technicians Jeremy, Tyler, and Brent appearing across multiple positive evaluations. Reviewers consistently note…

924 N Russell St, Missoula, MT 59808
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#3

Temp Right Service

4.8(479 reviews)
24/7 Highly Rated

All 479 reviews carry 5-star ratings, with reviewers specifically naming technicians Ben, Terrance Wallace, Mike Wallace, Josh White, Cody Lansky, and Vicky.…

5818 Sandpiper Dr, Missoula, MT 59808
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All AC Replacement Contractors (5 total)

Anderson's Heating, Air Conditioning & Plumbing

4.5(294)
24/7

Five recent reviewers award five stars, with two praising same-day arrival during urgent situations (bathroom…

3912 Brooks St, Missoula, MT 59804
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Hotchkiss Heating & Air

4.9(183)
24/7 Highly Rated

Every reviewer awarded 5 stars, with 3 explicitly naming the technicians who performed their work. Customers…

2221 S 3rd St W, Missoula, MT 59801
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AC Replacement Costs in Missoula

Replacement costs for aging systems in Missoula. If repair cost exceeds 50% of replacement, replacement is usually more economical.

ServiceLowAverageHigh
Central AC (3-ton, basic)
$6,160$8,960$12,320
Central AC (4-ton, mid-efficiency)
$8,400$11,760$15,680
Central AC (5-ton, high-efficiency)
$10,640$14,000$17,920
Full HVAC system (AC + furnace)
$12,981$15,042$15,792
Plus ductwork replacement
If existing ducts are aged/leaking
$2,352$3,360$4,480
Repair cost threshold50% rule: if repair > 50% of replacement, replace

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

AC Replacement in Missoula, MT: What to Expect

Missoula's location in a Northern Rockies valley shapes its cooling needs distinctly. Summer temperatures reach the mid-80s with only about eleven days exceeding 90 F, yet late-season wildfire smoke drives many homeowners to seek improved filtration and whole-home air quality through updated cooling systems. The brief but intense summer cooling window, combined with air quality concerns, makes ac replacement missoula a practical investment for residents. Five licensed contractors serve this market, maintaining an impressive average rating of 4.8 across nearly 2,600 collective reviews.

Pricing for central air conditioning varies significantly by system capacity and efficiency. A basic 3-ton unit runs $6,160 to $12,320, while mid-efficiency 4-ton systems span $8,400 to $15,680. Homeowners opting for high-efficiency 5-ton units should budget between $10,640 and $17,920. Montanalicensing requirements ensure all contractors meet state standards, protecting homeowners throughout the installation process.

Review patterns reveal consistent service expectations among top-rated providers. Technicians at Hellgate Plumbing, Heating, And Cooling receive praise for communication clarity and same-day responsiveness across their 1,138 reviews. At Right Now Plumbing and Heating, reviewers frequently mention Jeremy, Tyler, and Brent alongside the company's upfront pricing approach. Temp Right Service maintains all 5-star ratings, with customers noting technicians like Ben and Josh White for reliable same-day installations. These patterns show Missoula homeowners value swift response times, transparent communication, and dependable equipment sizing from their HVAC providers.

Frequently Asked Questions

AC replacement in Missoula runs $2,352-$17,920 depending on system size and efficiency. A 3-ton basic central AC costs $5,500-$11,000 installed, a 4-ton mid-efficiency system $7,500-$14,000, and a 5-ton high-efficiency unit $9,500-$16,000. Full HVAC replacement (AC + furnace combined) averages $11,590-$14,100.