6 HVAC Service Contractors in Mount Vernon, WA

4.6 avg rating
5,512 total reviews4 offer 24/7 service
Need emergency service? 4 HVAC providers in Mount Vernon offer 24/7 availability

Top-Rated HVAC Service Contractors in Mount Vernon

#1

CPI Plumbing & Heating

4.8(3,070 reviews)
24/7 Highly Rated

Across 3,020 reviews, CPI Plumbing & Heating maintains a 4.8-star average with customers frequently citing same-day emergency response and technician…

1900 Railroad Ave, Mount Vernon, WA 98273
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#2

CM Heating

5.0(1,205 reviews)
24/7 Highly Rated

All 1,206 reviewers award 5 stars, with customers consistently praising the same-day installation capability, competitive pricing compared to larger…

2021 E College Way # 200, Mount Vernon, WA 98273
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#3

Foss Heating & Cooling

4.9(956 reviews)
24/7 Highly Rated

934 customer reviews averaging 4.9 stars demonstrate overwhelmingly consistent satisfaction. Multiple reviewers explicitly mention Foss saved them money on…

4101 Old Hwy 99 South Rd, Mount Vernon, WA 98273
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All HVAC Service Contractors (6 total)

Handy's Heating

4.6(259)
24/7

All five sampled reviews carry 5-star ratings, with three explicitly mentioning same-day or immediate service…

17737 WA-536, Mount Vernon, WA 98273
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SUNDANCE Energy

4.2(17)

5 of 17 reviews name technician Tim Robertson, all giving 5 stars for expertise and professionalism. Negative…

1314 Anderson Rd, Mount Vernon, WA 98274
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Hoover Commercial Refrigeration

4.4(5)

Three verified clients awarded perfect 5-star ratings, with all reviewers specifically naming technician Sage…

3302 Cedardale Rd, Mount Vernon, WA 98274
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HVAC Service Costs in Mount Vernon

General HVAC service pricing across maintenance, repair, and installation in Mount Vernon.

ServiceLowAverageHigh
Service call / diagnostic
$81$130$216
Routine tune-up (single system)
$76$135$216
Standard repair (avg)
$162$648$1,296
Major repair (compressor, heat exchanger)
$1,620$2,700$3,780
New system installation (mid-range)
$7,020$11,340$15,120
Full HVAC replacement
AC + furnace combined
$12,517$14,504$15,228

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

HVAC Service in Mount Vernon, WA: What to Expect

Mount Vernon's position in the Seattle metropolitan area brings climate challenges that define HVAC needs. Winters drop to around 37 F with consistent rainfall, while summer heat waves have pushed temperatures above 76 F in recent years, accelerating air conditioning adoption in a region historically dominated by heating systems. Heat pumps are gaining traction as versatile solutions for both cooling and efficient winter heating. Six contractors currently provide HVAC Service in Mount Vernon, collectively maintaining a 4.7-star average across more than 5,400 customer reviews, giving homeowners solid options when selecting a service provider.

Pricing for HVAC work reflects the scope of each job. A service call and diagnostic typically runs $81 to $216, while a routine tune-up for a single system costs $76 to $216. Standard repairs average $162 to $1,296 depending on the issue. Washington state does not require a statewide HVAC license, so local licensing requirements apply and contractors must verify their credentials with the applicable municipal authorities in Skagit County.

Customer feedback reveals strong patterns across top-rated shops. CPI Plumbing & Heating draws frequent praise for same-day emergency response and technician professionalism throughout their 3,020 reviews. CM Heating stands out for same-day installation capability and competitive pricing compared to larger competitors, with technicians noted for treating homes with care. Multiple reviewers also mention Foss Heating & Cooling saved them money on repairs other contractors had quoted at significantly higher amounts.

Frequently Asked Questions

HVAC service pricing in Mount Vernon ranges from diagnostic calls around $75-$200 to full system replacements at $11,000-$14,000. Routine tune-ups run $70-$200, standard repairs average $150-$600, and major component replacements (compressor, heat exchanger) can reach $2,800-$3,500.