Furnace Repair & HVAC Service in Mountlake Terrace, WA
Locally owned since 2005. We've repaired furnaces and heat pumps throughout Mountlake Terrace and the I-5 corridor — real technicians who answer the phone and show up on time.
4.7★
172+ Google Reviews
20+ Years
Serving Snohomish County
Licensed
Bonded & Insured
Local
Not a Franchise
Recent Jobs in Mountlake Terrace, WA
Real work we've done for Mountlake Terrace homeowners — no stock photos, no made-up scenarios.
Mountlake Terrace (near 236th St)
Problem
Furnace running but rooms not warming — high gas bill
Diagnosis
Cracked heat exchanger on a 22-year-old furnace — combustion gases mixing with supply air
Outcome
Shut down furnace for safety, installed new Rheem 96% AFUE furnace the following day
Central Mountlake Terrace
Problem
Furnace blower making loud squealing noise
Diagnosis
Worn blower wheel bearing — bearing seizing under load
Outcome
Replaced blower motor assembly — quiet operation restored, system running efficiently
Mountlake Terrace (near I-5)
Problem
Older home with no AC — owner wanted cooling without ductwork modification
Diagnosis
Single-zone mini-split installation for main living area
Outcome
Installed Mitsubishi single-zone system — efficient cooling and supplemental heating added
What Mountlake Terrace Customers Say
"They found a cracked heat exchanger in our old Rheem furnace — something we had no idea about. The tech explained the safety risk clearly and replaced it the next day. Really glad we called them."
Nancy H.
Mountlake Terrace, WA · Furnace Replacement
"Blower was making a terrible noise. Snohomish Furnace came out, replaced the blower motor, and it's been running quietly ever since. Fast, professional, and fair price."
Dan K.
Mountlake Terrace, WA · Furnace Repair
"We wanted AC but didn't want to deal with ductwork. They installed a Mitsubishi mini-split in our living area and it works great. Clean install, explained everything, and the price was reasonable."
Pam & Rick S.
Mountlake Terrace, WA · Mini-Split Installation
Your Local HVAC Team
Proudly Serving Mountlake Terrace Since 2005
Mountlake Terrace families have trusted Snohomish Furnace and Air for over 20 years. We're a local company — not a franchise — and we treat every home like it's our own.
From the Town Center to the neighborhoods near I-5, we know the area and the equipment common here. Call us and a real technician answers — no hold music, no call centers.
- Upfront pricing — written estimate before any work begins
- All makes and models serviced
- Rheem & Coleman authorized dealer
- Serving all Mountlake Terrace neighborhoods
Schedule Service in Mountlake Terrace
$69 diagnostic fee, applied toward any repair. Appointments typically available within 1–2 business days. Heating emergencies prioritized.
425-610-6635Schedule OnlineHVAC Services in Mountlake Terrace, WA
From emergency furnace repair to full system installations — we handle it all.
Furnace Repair
Fast diagnosis and repair for all furnace makes and models.
Furnace Service
Annual tune-ups to keep your furnace running efficiently all winter.
Furnace Installation
New high-efficiency furnace installs with upfront pricing.
Heat Pump Repair
Expert heat pump diagnostics and repair, year-round.
Heat Pump Installation
Energy-efficient heat pump systems sized for your home.
AC Repair
Same-day AC repair when you need it most.
AC Installation
Central air and ductless systems installed right.
Ductless Mini-Split
Zoned comfort without ductwork — perfect for Mountlake Terrace homes.
Frequently Asked Questions — Mountlake Terrace, WA
Do you serve Mountlake Terrace, WA?
Yes — we serve all of Mountlake Terrace. Most appointments are available within 1–2 business days.
What does a furnace diagnostic cost in Mountlake Terrace?
Our diagnostic fee is $69, which is applied toward any repair we perform. We give you a full written estimate before any work begins — no hidden fees.
Do you install heat pumps in Mountlake Terrace?
Absolutely. Heat pumps are an excellent choice for Mountlake Terrace homes — they provide efficient heating in winter and cooling in summer. We'll assess your home and recommend the right system.
Can you service my existing furnace brand in Mountlake Terrace?
Yes — we service all major brands including Rheem, Coleman, Carrier, Lennox, Trane, Goodman, Daikin, and more. We're authorized dealers for Rheem and Coleman products.
What are your hours for HVAC service in Mountlake Terrace?
We're available Monday through Friday, 6am to 5pm. You can also schedule service online 24/7 through our contact form.
How quickly can you respond to a heating emergency in Mountlake Terrace?
We prioritize no-heat calls and do our best to respond the same day when our schedule allows. Most standard appointments are available within 1–2 business days. Call 425-610-6635 and a real technician will answer.
Ready to Schedule Service in Mountlake Terrace?
Call now or schedule online. $69 diagnostic, applied toward any repair. Appointments typically within 1–2 business days.
Nearby Service Areas
Snohomish Furnace & Air serves all of Snohomish County. Request service online or call 425-610-6635.