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Furnace Not Blowing Hot Air – Explained | Repair and Replace

Is your furnace blowing cold air? It could be an easy fix. In this episode of Repair and Replace, Vance show how to troubleshoot a furnace that is not blowing hot air. If the furnace is blowing cold, is running continuously or won't shut off, then check your thermostat settings. Alternatively, if the furnace blows cold air after ignition, then the limit switch might be faulty.

Limit switch testing / replacement:
Buy limit switches online:

Furnace Repairs Playlist:

This furnace troubleshooting guide is applicable to all furnace brands including: Carrier, Emerson, York, Goodman, Honeywell, Lennox, Trane, Rheem, Bryant, Coleman, Westinghouse, White Rogers, Nordyne, Honeywell, Kenmore, Frigidaire, Amana


00:00 Intro
00:22 The Thermostat
00:47 Limit Switch


AMRE Supply provides homeowners, service contractors, and property management with the parts and knowledge needed to get the best performance out of any property. Stocking the largest selection of appliance parts, heating, plumbing, lighting, and janitorial supplies, AMRE ships almost anywhere in Canada within 24 - 48 hours. Expert help is available online, over the phone or in person at one of the many locations across Canada.

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