Northwest Mechanical
About Northwest Mechanical
Northwest Mechanical provides professional hvac services in Seattle, WA. A family-owned business since 1977, providing prompt and reliable emergency air conditioning repair services, as well as system design, installation, and maintenance, with a commitment to energy-efficient and environmentally conscious solutions.
11 years in business
Services
AC Repair
FeaturedDiagnose and repair cooling issues including compressor, capacitor, fan motor, and refrigerant leaks.
Starting at $250 / per repair
AC Tune-Up
FeaturedComplete AC maintenance including filter replacement, coil cleaning, refrigerant check, and thermostat calibration.
Starting at $100 / per visit
Duct Cleaning
Professional air duct cleaning for improved air quality. Includes supply, return, and dryer vent cleaning.
Starting at $350 / per home
Furnace Repair
Diagnose and repair heating system issues including igniter, blower motor, heat exchanger, and thermostat.
Starting at $200 / per repair
New System Installation
Full HVAC system replacement including air handler, condenser, ductwork inspection, and thermostat. Includes permits.
Starting at $4500 / per system
Location
Seattle, WA
Seattle, WA 98101
Typical Hvac Costs in Seattle
$200–$800
Costs vary based on project scope, materials, and complexity. Get a free quote from Northwest Mechanical to compare pricing in Seattle.
Hours of Operation
Services Offered
AC Repair
Diagnose and repair cooling issues including compressor, capacitor, fan motor, and refrigerant leaks.
$250
starting at
AC Tune-Up
Complete AC maintenance including filter replacement, coil cleaning, refrigerant check, and thermostat calibration.
$100
starting at
Duct Cleaning
Professional air duct cleaning for improved air quality. Includes supply, return, and dryer vent cleaning.
$350
starting at
Furnace Repair
Diagnose and repair heating system issues including igniter, blower motor, heat exchanger, and thermostat.
$200
starting at
New System Installation
Full HVAC system replacement including air handler, condenser, ductwork inspection, and thermostat. Includes permits.
$4,500
starting at
Reviews
4.6
7 reviews
7 reviews
Craig K.
I manage three properties and they handle maintenance for all of them. The consistency across different job types and different locations tells me their systems and training are solid.
Shane K.
Thermostat was reading 78 but the house felt way hotter. Tech found the sensor was off and the refrigerant was a pound low. Quick fix but wouldnt have known without calling.
7 people found this helpful
Response from Northwest Mechanical
Thanks for the great feedback! We are always working to earn that fifth star and appreciate you pointing us in the right direction.
Chelsea N.
My property manager now uses them exclusively for all our rental units. When a property manager trusts a single contractor for everything, that is the strongest endorsement there is.
Response from Northwest Mechanical
Thanks for the great feedback! We are always working to earn that fifth star and appreciate you pointing us in the right direction.
Lindsey K.
My neighbor used a different company for the same job and paid more for worse results. I have been telling everyone on our block about these guys. You will not be disappointed.
Laura A.
We called multiple companies and they were the only ones who could come out the same week. Glad we went with them because the work quality was excellent and the price was fair.
Response from Northwest Mechanical
Wow, thank you! Our team will be so happy to read this. Reviews like yours make it all worthwhile.
Shauna Q.
I appreciate that they follow up after the job to make sure everything is holding up. That kind of care is what earns repeat customers. Already have them on speed dial for next time.
Donna Q.
Furnace was making a weird noise. Tech came out diagnosed it pretty quick - bad inducer motor. Had the part on the truck which was nice. Fixed same visit.
6 people found this helpful
Response from Northwest Mechanical
Glad we could help with your hvac project! We take pride in serving the Seattle community. Thank you for the recommendation.
Service Area
Serves Seattle and surrounding areas
Frequently Asked Questions
Last updated April 2026
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