Greater eastside & Seattle Heating, Air & Home
COMFORT EXPERTS
Tailored Solutions for Heating, Cooling & HVAC - Serving Seattle & Greater Eastside Since 1977
Our Commitment to Excellence
Greater Eastside & Seattle Heating, Air & Home Comfort Experts
For fast, reliable heating, cooling and HVAC service across Seattle and the Greater Eastside, contact Northwest Mechanical, where your comfort comes first. Our highly trained technicians handle everything—from simple tune-ups and repairs to full system replacements—for any brand or model.
Local Expertise Since 1977
We've delivered energy-efficient heating, cooling, and HVAC solutions to thousands of homes and businesses across Seattle, Bellevue, Kirkland, Redmond, Sammamish, Issaquah, Mercer Island, Woodinville, and surrounding communities. We install top-rated, innovative products from leading manufacturers—covering all your indoor comfort needs.
100% Satisfaction Guarantee
As your honest local HVAC company, we never push unnecessary sales. You'll get clear explanations, detailed estimates, and options so you decide what's best. We won't stop until you're completely satisfied—every time.
Proud to serve Seattle's vibrant neighborhoods and the family-friendly Greater Eastside suburbs east of Lake Washington. Our team is our #1 asset, so we take great care of them—and they take great care of you.
Your Home Comfort Solutions
- Boiler Repair
- Water Heater Repair & Installation
- Radiant Heat Systems
- Geothermal Heating & Cooling
- Ductless Heat Pumps
- Heater Repair
- New Construction HVAC
- AC Repair & Installation
Seattle & Greater Eastside Homeowners
Switch from Oil to an Electric Heat Pump & Save Up to $6,000+ Instant rebates through Seattle's Clean Heat Program (base $2,000 for all eligible; up to $4,000 bonus for moderate-income households) — plus potential federal credits, PSE rebates (Eastside), and manufacturer incentives from Mitsubishi Electric.
Call (206) 900-9231! today for service, questions, or a free consultation!
Your Choice for Home Comfort Solutions
Boiler Repair
Water Heaters
Radiant Heat
Geothermal
Ductless Heat Pumps
Heater Repair
New Construction
AC Repair
Seattle & Eastside Homeowners:
Switch From Oil to an Electric Heat Pump & Save $2,000
Incentives provided by the City of Seattle, Mitsubishi Electric, and Energy Smart Eastside.
Our Values & Benefits
See How We're Different
Emergency Service Available 24/7
*For Service Partner Plan Members
Tailored Solutions for Home Efficiency & Comfort
We're Not Happy Until You Are
Attention Heat Pump and Geothermal Customers
Please scan QR code for information regarding Inflation Reduction Act Rebates!
No QR code scanner? Click here!
How can we help you?
Boiler experts!
“Professionalism, Punctuality, Quality, Responsiveness”
Dan S.
From new construction to now
“Reliable provider”
Katy M.
Boiler repair and maintenance
“Professionalism, Punctuality, Responsiveness”
Jerrold B.
NW Mechanical installed our new water heater
“Professionalism, Punctuality, Quality, Responsiveness, Value”
Dita R.
Very happy with NW Mechanical.
“NW Mechanical has always been able to provide prompt quality service for this somewhat unusual setup, with courteous technicians.”
Highlander Motorsports
NW Mechanical recently installed a new Hot Water Heater and a new Heat Pump for us.
“The technicians were very knowledgeable, arrived on time and worked very efficiently.”
Roger W.
Had them work on our house twice. Decommissioning some kitec and installing a water heater.
“They weren't the cheapest quote I got, but I'm so glad I chose them. Will do business again.”
Alfonso L.
Looking For Service?
Contact Us For An Estimate Today
"*" indicates required fields