Snohomish Furnace & Air — Affordable Heating Solutions
Serving Granite Falls, WA & Surrounding Areas

Furnace Repair & HVAC Service in Granite Falls, WA

Locally owned since 2005. We've repaired furnaces and heat pumps throughout Granite Falls and the Mountain Loop corridor — real technicians who answer the phone and show up on time.

$69 Diagnostic Appointments Usually Within 1–2 Days Mon–Fri 6am–5pm Licensed & Insured

4.7★

172+ Google Reviews

20+ Years

Serving Snohomish County

Licensed

Bonded & Insured

Local

Not a Franchise

Recent Jobs in Granite Falls, WA

Real work we've done for Granite Falls homeowners — no stock photos, no made-up scenarios.

Carrier 80% Propane Furnace

Granite Falls (Mountain Loop Hwy area)

Problem

Furnace cycling on and off — not maintaining temperature in cold weather

Diagnosis

Dirty air filter causing overheating and high-limit switch trips

Outcome

Replaced filter, cleaned heat exchanger, verified safety controls — system running properly

Rheem Classic 96% Gas Furnace

Granite Falls rural

Problem

Older propane furnace failing — homeowner converting to natural gas

Diagnosis

Full system replacement — propane-to-natural-gas conversion

Outcome

Installed Rheem 96% AFUE gas furnace with new flue and gas line — homeowner's fuel costs dropped significantly

Mitsubishi Hyper-Heat Mini-Split

Granite Falls (near Pilchuck River)

Problem

Older home with electric baseboard heat — owner wanted efficient upgrade

Diagnosis

Baseboard-to-heat-pump conversion for 1,600 sq ft home

Outcome

Installed Mitsubishi Hyper-Heat system — effective down to -13°F, heating costs cut by over 35%

What Granite Falls Customers Say

"Furnace kept shutting off in the middle of the night. Snohomish Furnace came out and found a clogged filter causing overheating. Simple fix, but they were thorough and checked everything else too. Great service."

Mike & Tanya W.

Granite Falls, WA · Furnace Repair

"Converted from propane to natural gas and replaced our old furnace at the same time. Snohomish Furnace handled the whole project — permits, gas line, installation. Professional crew, clean work, fair price."

Bob L.

Granite Falls, WA · Furnace Replacement

"We had electric baseboard heat for 20 years and finally upgraded to a heat pump. The difference is incredible — the house is warmer and our electric bill is much lower. Snohomish Furnace made the whole process easy."

Karen & Phil D.

Granite Falls, WA · Heat Pump Installation

Your Local HVAC Team

Proudly Serving Granite Falls Since 2005

Granite Falls 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 Mountain Loop corridor to the town center, 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
  • Propane, natural gas, and electric systems

Schedule Service in Granite Falls

$69 diagnostic fee, applied toward any repair. Appointments typically available within 1–2 business days. Heating emergencies prioritized.

425-610-6635Request Service

Frequently Asked Questions — Granite Falls, WA

Do you serve Granite Falls, WA?

Yes — we serve Granite Falls and surrounding areas including the Mountain Loop corridor and rural properties nearby. Most appointments are available within 1–2 business days.

What does a furnace diagnostic cost in Granite Falls?

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 handle propane furnaces in Granite Falls?

Yes — we service and install propane furnaces, and we also handle propane-to-natural-gas conversions. We'll assess your situation and give you an honest recommendation.

Can you service my existing furnace brand in Granite Falls?

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 Granite Falls?

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 Granite Falls?

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 Granite Falls?

Call now or schedule online. $69 diagnostic, applied toward any repair. Appointments typically within 1–2 business days.