Tag: dirty furnace filter

Clean furnace air filter beside a clogged dirty filter, a common cause of a tripped furnace high limit switch

Furnace High Limit Switch: Why It Trips and How to Fix It

November 2, 2026

Aire One East Heating & Cooling Furnace High Limit SwitchWhy It Trips and How to Fix It What it means when your furnace overheats, shuts off, and blows cool air 8 Common CausesSafe ChecksDurham Region 2026 GUIDEAIRE ONE EASTDURHAM REGION ★ 4.8 Google (364)Carrier Factory …

1910 Dundas St E #117
Whitby, ON-L1N 2L6

info@aireonedurham.ca

905-576-7600

Serving Whitby, Oshawa, Ajax, Pickering, Courtice, Bowmanville, Port Perry and Uxbridge — L1M, L1N, L1P, L1R, L1G, L1H, L1J, L1K, L1L, L1S, L1T, L1Z, L1V, L1W, L1X, L1Y, L1C, L1E, L9L, L9P, L0C — and beyond.