20 AC Replacement Contractors in Bellingham, WA

3.8 avg rating
2,979 total reviews4 offer 24/7 service
Need emergency service? 12 HVAC providers in Bellingham offer 24/7 availability

Top-Rated AC Replacement Contractors in Bellingham

#1

Marr's Heating, AC, Plumbing & Electrical

4.9(1,903 reviews)
24/7 Highly Rated

1855 reviews with a 4.9 average yield 1,774 five-star ratings. Named technicians appear across positive reviews: Phil (heat pump and fireplace), Jacob and…

1677 Mt Baker Hwy, Bellingham, WA 98226
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#2

Gary's Plumbing & Heating

4.6(863 reviews)
24/7

Reviewers consistently praise the team's same-day emergency response, with five client stories explicitly describing arrival within two hours of calling.…

4760 Pacific Hwy, Bellingham, WA 98226
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#3

Absolute Comfort Heating and Cooling LLC

5.0(83 reviews)

All 82 reviews award 5 stars, with technician Russ named across multiple testimonials as the primary installer and service provider. Customers specifically…

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All AC Replacement Contractors (20 total)

Taxdahl Heating & Air Conditioning

4.9(31)

Every one of the 29 reviews awards 5 stars, and five reviewers specifically name Tony as the reason for their…

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Bellingham Heating & AC

4.9(18)

Eighteen reviewers collectively award Bellingham Heating & AC a 4.9-star average, with all five-star reviews…

1206 E Sunset Dr, Bellingham, WA 98226
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Envirosmart Solution

4.9(13)

All four 5-star reviewers specifically name technicians Sean, Ofek, or Jony and mention before-and-after…

4150 Track St, Bellingham, WA 98226
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Mills Electric Co

4.7(12)

All 12 reviewers award 4 or 5 stars, with 5-star reviews specifically mentioning technicians Taylor Unick,…

4430 Pacific Hwy, Bellingham, WA 98226
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A A Anderson Co Inc

4.4(14)

All 14 reviewers award 4 or 5 stars, with an average of 4.4. Multiple reviewers name Barry for HVAC work and…

1409 N Forest St, Bellingham, WA 98225
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Pacific Plumbing & Electric

5.0(9)

All 9 reviewers awarded 5-star ratings, with 4 explicitly noting same-day or emergency response times.…

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Marshall's Heating & AC

4.4(12)

All 12 reviewers awarded 4 or 5 stars, with heat pump services and furnace work appearing most frequently.…

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Enhanced Heating & Cooling Inc

4.5(10)

4 of 5 displayed reviewers awarded 5 stars, praised same-day response during heat-related emergencies and…

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EcoGreen Ductless LLC

4.3(6)

Five of six reviews award five stars, with customers repeatedly praising Andrew's attention to detail,…

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NORTHWEST HEATING SERVICES LLC

4.0(2)

Of two reviews, ratings split evenly between three and five stars. Positive feedback highlights professional…

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Ray Heating & AC, Inc.

5.0(1)

One verified review gives Ray Heating & AC a perfect five-star rating, with the customer specifically…

2905 E Sunset Dr, Bellingham, WA 98226
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Mt Baker Mechanical Contractor

5.0(1)

With only one documented customer review currently available, limited quantitative assessment is possible.…

1273 Sunset Ave, Bellingham, WA 98226
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Pacific Northwest Refrigeration & Heating

5.0(1)

The sole reviewer, Carol Cook, awards 5 stars and commits to using this contractor for all future HVAC needs,…

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Bellingham Furnace & Water Heater Services

0.0
465 La Vista Pl, Bellingham, WA 98226
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Barron Heating AC Electrical & Plumbing

0.0
24/7

No customer reviews are currently available for this business. The website references 6,000-plus reviews…

1323 N Commercial St Suite 102, Bellingham, WA 98225
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FurnaceUSA Heating & Air Conditioning

0.0
24/7
215 W Holly St suite g-1, Bellingham, WA 98225
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Cascadia Energy Solutions LLC

0.0
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AC Replacement Costs in Bellingham

Replacement costs for aging systems in Bellingham. 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 Bellingham, WA: What to Expect

For decades, Bellingham homeowners treated air conditioning as optional. The Seattle metro region's mild summers rarely pushed past 76 degrees, and heating dominated the conversation. That calculation has shifted. Recent heat waves pushed temperatures into uncomfortable territory, and residents who once dismissed AC are now seeking AC Replacement in Bellingham with urgency. Twenty contractors now serve the area, collectively holding a 3.8-star average across nearly 3,000 reviews. Four of them field 24-hour calls, reflecting a market still adjusting to its new reality. Heat pump systems have emerged as the preferred alternative, offering both cooling and efficient heating in a single unit.

Costs sit higher than many expect. A basic 3-ton central AC runs $6,160 to $12,320, while mid-efficiency 4-ton systems range from $8,400 to $15,680. High-efficiency 5-ton units reach $10,640 to $17,920. Washington imposes no statewide HVAC contractor license, so firms comply with local city or county requirements instead. That regulatory patchwork means homeowners should verify a contractor's standing with the jurisdictions where they operate.

The reviews tell a consistent story. Marr's Heating, AC, Plumbing & Electrical earns a 4.9 average across 1,855 reviews, with technicians Phil, Jacob, and Wyatt mentioned repeatedly for installations. Gary's Plumbing & Heating draws praise for arrival within two hours of emergency calls. Absolute Comfort Heating and Cooling LLC holds a perfect 5.0 across 82 reviews, with Russ credited across multiple testimonials for his heat pump work. The pattern is clear: homeowners value technicians who show up quickly, explain systems clearly, and install with precision.

Frequently Asked Questions

AC replacement in Bellingham 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.

All HVAC Contractors in Bellingham, WA

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