8 HVAC Repair Contractors in Mountlake Terrace, WA

4.9 avg rating
3,003 total reviews4 offer 24/7 service
Need emergency service? 5 HVAC providers in Mountlake Terrace offer 24/7 availability

Top-Rated HVAC Repair Contractors in Mountlake Terrace

#1

Blue Flame Heating & Air Conditioning

4.4(2,242 reviews)
24/7

Of 2,124 reviews averaging 4.4 stars, the two detailed accounts show stark divergence: a 5-star review from Ken E. specifically names technician Carl for…

7116 220th St SW #1, Mountlake Terrace, WA 98043
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#2

Energy Works

4.9(216 reviews)
Highly Rated

All five featured reviews award five stars, with three specifically mentioning heat pump installations. Two reviewers highlight technician communication:…

7034 220th St SW, Mountlake Terrace, WA 98043
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#3

All Climate Heating & Air Conditioning

5.0(159 reviews)
24/7 Highly Rated

All 155 reviews award 5 stars, with Qi appearing as the named technician in multiple detailed accounts. Reviewers consistently praise diagnostic skills that…

22313 70th Ave W Suite L7C, Mountlake Terrace, WA 98043
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All HVAC Repair Contractors (8 total)

Pure Air Cooling And Heating

5.0(155)
Highly Rated

One hundred forty-six reviewers awarded perfect 5-star ratings, with technicians Peter, Sean, and additional…

22725 44th Ave W, Mountlake Terrace, WA 98043
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Fischer Heating and Air

4.9(141)
Highly Rated

134 of 138 reviewers awarded 5 stars, with recurring themes being same-day or next-day service…

6608 220th St SW, Mountlake Terrace, WA 98043
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Onestop Heating Cooling Electric LLC

5.0(63)
24/7

Three of four detailed reviews mention same-day or next-day repair timelines, with one noting the technician…

5422 212th St SW G103, Mountlake Terrace, WA 98043
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Adam&Sam brothers repair - Appliance & Refrigeration

5.0(26)
24/7

Twenty-three customer reviews consistently award five-star ratings, with multiple reviewers noting same-day…

6302 St Albion Way, Mountlake Terrace, WA 98043
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HVAC Terrace, Inc.

5.0(1)

The lone client submission awards five stars, describing service execution that surpassed baseline…

23607 56th Ave W, Mountlake Terrace, WA 98043
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HVAC Repair Costs in Mountlake Terrace

Typical heating and cooling repair costs in Mountlake Terrace, by component.

ServiceLowAverageHigh
Diagnostic / service call
$83$132$220
Thermostat replacement
$165$303$550
Blower motor replacement
$440$715$1,210
Heat exchanger replacement
$1,650$2,420$3,850
Ignitor replacement (gas furnace)
$165$275$440
Control board replacement
$330$605$990
Full system repair (major)
Multi-component failure
$550$1,320$3,300

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

HVAC Repair in Mountlake Terrace, WA: What to Expect

Mountlake Terrace sits in the Seattle metropolitan area, where winters drop to around 37 F and summers rarely climb past 76 F, but recent heat waves have pushed many homeowners toward air conditioning after decades of focusing solely on heating. This shift has created steady demand for HVAC repair Mountlake Terrace, and the area hosts eight contractors who collectively hold a 4.9 average rating across nearly three thousand reviews. Homeowners now need systems that perform reliably throughout the year, not just during the colder months.

Service costs inMountlake Terrace reflect the scope of each job, with diagnostic calls ranging from $83 to $220, thermostat replacements running $165 to $550, andblower motor replacements costing $440 to $1210. Washington State does not mandate a statewide HVAC license, so local licensing requirements determineeach contractor's legitimacy. Complex repairs on older systems or high-efficiency heat pumps naturally command higher prices thansimple part swaps.

Customer reviews reveal distinct strengths among highly rated contractors. TechniciansQi andBrandonappear repeatedly in five-star feedback, with reviewers praising Qi's diagnostic speed and bilingualcommunication during complex repairs, and Brandon highlighting thorough explanations during heat pump installations. Thesepatterns suggest that clear communication and technical precision drive homeowner satisfaction in this market.

Frequently Asked Questions

HVAC repairs in Mountlake Terrace range from $83-$3,850 depending on the component. Thermostat replacement runs $150-$500, blower motor $400-$1,100, ignitor $150-$400, and heat exchanger replacement $1,500-$3,500. Diagnostic fees of $75-$200 are typically credited toward the repair if you proceed.