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Customer Testimonials


Gas Furnace Maintenance in Mount Vernon, WA 98274

“Mason is personable, professional, and was a delight to have in our home.” – Kirk F.

Gas Furnace Maintenance in Mount Vernon, WA 98273

“Very, very satisfied. Wonderful company. Recommend Foss every chance I get.”

– Karen C.

Gas Furnace Maintenance in Mount Vernon, WA 98274

“I was very impressed with the knowledge and friendliness of Mason as well as the promptness with which he came to service my furnace. He did not pressure me into purchasing something and spent adequate time explaining options.”

– Marjo R.

Air Conditioner Maintenance in Mount Vernon, WA 98273

“Always courteous, professional service. Five stars PLUS! We highly recommend Foss Heating & Cooling.”

– David V.

Heat Pump Maintenance in Mount Vernon, WA 98274

“Patient and thorough. Knowledgeable and honest about issues.”

– Soumya P.

Ductless Mini-Split Maintenance in Mount Vernon, WA 98274

“Nice service technician. Friendly and organized.”

– Jan D.

Gas Furnace Maintenance in Mount Vernon, WA 98274

“Always great service with Foss”

– Kathy C.

Gas Furnace Installation in Mount Vernon, WA 98274

“Very respectful, cleaned and knowledgeable. Very happy”

– Victor H.

Gas Furnace Maintenance in Mount Vernon, WA 98274

“Mason was very thorough in his analysis and was very clear about possible options in the future.”

– Jeff D.

Gas Fireplace Repair in Sedro Woolley, WA 98284

“Very good service.”

– Pauline H.

Need HVAC Service?

Contact the experts at Foss Heating & Cooling.

Call us at 360-336-1517!


Foss Heating & Cooling proudly provides HVAC service to Mount Vernon, Anacortes, Burlington, Bow, Camano Island, La Conner, Sedro Woolley, Stanwood, and the surrounding communities. Visit our service area page for more coverage details, call us at 360-336-1517, or request service online today.