Here's a tip from All-Ways Heating & AC, experts in furnace repair and service.
https://local.google.com/place?id=12272512074853521375&use=posts&lpsid=CIHM0ogKEICAgICSneCFvwE
All-Ways Heating & A/C
519 Rose Way
Everett, WA 98203
(425) 405-4319
Google Maps