Foss Heating & Cooling
Foss Heating & Cooling is based in Mount Vernon and provides residential and commercial HVAC services throughout the Skagit Valley. Its offerings include Mitsubishi Zoned Comfort Solutions.
Business Highlights
- The company lists contractor license FOSSHCI983QA.
- The company describes its technicians as certified and experienced.
Service Area
Alger, Anacortes, Bow, Burlington, Camano Island, Guemes Island, La Conner, Lake Cavanaugh, Mount Vernon, Oak Harbor, Samish Island, Sedro-Woolley, Stanwood and Warm Beach.
Featured on ProsGrade. Foss Heating & Cooling is one of 10 HVAC companies ProsGrade lists in Mount Vernon, Washington.
12 services listed, including Air conditioning, Air ducts and Air handlers. Open 24 hours, 7 days a week. Rated 4.9 from 948 reviews.
- Verified listing details
- Service information
- Customer review signals
- Photo gallery
- Public contact information
- Published local profile
How This Business Compares
How Foss Heating & Cooling compares with the other 9 HVAC companies on ProsGrade in Mount Vernon, using public Google ratings and review counts.
- Ranks in the top quarter of the 10 Mount Vernon HVAC companies on ProsGrade by Google rating and review volume.
- Rated 4.9 on Google, at or above the 4.7 average of other Mount Vernon HVAC companies on ProsGrade.
- Has more Google reviews (948) than 7 of the 9 other Mount Vernon HVAC companies on ProsGrade.
- One of 6 Mount Vernon HVAC companies on ProsGrade rated 4.7 or higher from at least 10 reviews.
Trust Signals
Listing indicates 24-hour availability; call to confirm current response times.
Services Covered
12 services- Air conditioning
- Air ducts
- Air handlers
- Boilers
- Ductless systemsMitsubishi zoned systems; wall-mounted, horizontal-ducted, ceiling-cassette, ducted-air-handler and floor-mounted units.
- Gas fireplaces
- Gas furnaces
- Geothermal heat pumps
- Heat pumps
- Indoor air qualityAir Scrubber Advanced, F100 5-inch media filter and F300 air cleaner.
- Radiant floor heating
- Zone control systems
Reviews
What customers say
Customers praise the team’s professionalism and prompt, efficient service. One customer credits Andre with keeping in touch during a short-notice repair that got the heat back on in time for the customer’s wife to get to work.
Customer Reviews
Graham Armstrong
Jim Kendall
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Frequently Asked Questions
Does Foss Heating & Cooling offer financing?
It offers financing for its services, including special-term promotions with approved credit.
Does Foss Heating & Cooling offer emergency or same-day service?
It handles emergency repairs and offers same-day service calls.
How does Foss Heating & Cooling approach equipment recommendations?
It considers each home’s needs, discusses equipment sizing, selection and efficiency, and prioritizes safety and indoor air quality.
How many indoor units can a Mitsubishi multi-zone system connect to?
One outdoor unit can connect to up to eight indoor units.








