Planning heat pump installation in Granite Falls? We are a Mitsubishi Electric Diamond Contractor based in Lake Stevens, so the crew that sizes, installs and warranties your system is a short drive away. Start with a free in-home quote and load calculation.











Granite Falls mixes century-old bungalows, manufactured homes, acreage properties and brand-new neighborhoods. A heat pump suits more of them than most people expect.
Resistance heat is costly to run. A heat pump delivers the same warmth using much less electricity, plus cooling in July.
Many homes beyond the gas mains rely on propane. A heat pump can take over most of the heating and cut how often you refill.
Fire season can mean closed windows for days. Central cooling lets you stay sealed up and still comfortable.
If a system is past 15 years and repairs are piling up, one heat pump replaces both heating and cooling.
New homes follow the 2021 Washington State Energy Code, which steers builders toward heat pumps. Remodels benefit too.
Bonus rooms and additions often get left behind by old ducts. The right design evens them out.
Tell us what you heat with now and what bothers you most. We will talk it through honestly, and if a repair fits better, we will say so.
Ducted Hyper-Heat: a Mitsubishi system that rides on your existing ductwork and keeps full heating output down to 5°F, a good match for foothill cold snaps.
Ductless mini-split: wall or ceiling heads with no ducts. Ideal for Old Town houses, detached ADUs, shop apartments and additions that never got ductwork.
Dual fuel: a heat pump paired with a gas or propane furnace that steps in during extreme cold. Useful when you want a safety net.

Use the calculator on this page to see real installed price ranges from the price book we quote from. It takes a minute, needs no email and gives you a planning number.
Diamond Contractor status means we install Mitsubishi systems regularly and can offer the 12-year parts warranty on those installs.
We measure your home's heat loss rather than guessing from the old unit, so the new system is not too big or too small.
Our shop is in Lake Stevens, and the same family-owned company that installs your system answers when you call later.
“I had my 22 year old furnace replaced. I Contacted 7 total Heating companies for a bid. Out of those 7 contractors, Sound Comfort Heating is the BEST in all categories: pricing, customer experience, knowledge and same day installation. Also the installation is seamless. Super clean! Which makes us really happy. I Definitely highly recommend Marco and Carson. I am very thankful for them. I made the best decision because they are amazing.”


“Mauro was incredible. Super personable, explained things in a clear way, and did great work on our old furnace. Would highly recommend!”
“Excellent Service and outcome exceeded our expectations. Highly recommend their service.”

Family owned, based in Lake Stevens and trusted by over 500 Snohomish County homes. Your quote comes from a licensed, bonded and insured local team.

Free in-home visit and load calculation
Choose a system, with the price in writing
Installed, tested and explained before we leave
We handle the permits for the installation, remove the old equipment and walk you through the thermostat. Every install carries our 100% Satisfaction Guarantee and a 2-Year No-Lemon Guarantee.


A heat pump is a major purchase, so we offer ways to spread it out. Qualified Granite Falls buyers can use Wisetack for a 12-month 0% interest plan on approved credit, or choose Klarna. Checking options takes minutes.

We stand behind the work long after install day. The warranty list below covers parts, labor and craftsmanship, and Mitsubishi Electric installs by our crew carry the longer 12-year parts term.





See a Sound Comfort van on Alder Avenue, out toward Lake Roesiger or along the Mountain Loop? That is our team on a heating or cooling job. We live and work in this corner of Snohomish County, and we are glad to chat with neighbors.
Price depends on the system type, your ductwork and any electrical work. The calculator on this page shows real ranges from our price book, and a free in-home quote makes the number final.
A straightforward swap on existing ducts can be done in about a day. New ductwork, a multi-zone ductless layout or a panel upgrade adds time, and we tell you before we start.
We run a load calculation from your square footage, insulation, windows and ducts. That tells us how much heat the house loses on a cold day, and we pick equipment to fit that number.
A cold-climate Hyper-Heat unit holds full output down to 5°F, which covers the foothill cold snaps we get. For extra confidence we can pair it with a gas or propane furnace in a dual fuel setup.
We are a Mitsubishi Electric Diamond Contractor, and Mitsubishi installs from us carry a 12-year parts warranty. Other new installs get 10-year parts coverage. See our Diamond Contractor page.
Yes. Electrical permits in Granite Falls come from Washington L&I, and mechanical permits come from the city or from Snohomish County, depending on where you live. We take care of the paperwork.
Possibly. Snohomish County PUD lists heating rebates for ducted systems with conditions, and Puget Sound Energy has income-qualified programs. Check their pages for current terms before you buy.
Yes. Wisetack offers payment plans for qualified buyers, including a 0% interest option on approved credit, and Klarna is another choice. We can go through both at your quote.
Rebates and permit info for Granite Falls homes:
