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Furnace Carbon Monoxide Safety

Furnace Carbon Monoxide Safety

Quick answer: Furnace carbon monoxide comes from poor combustion, a cracked heat exchanger or a blocked vent. CO is invisible and odourless, so a working alarm is your only warning. Ontario’s Fire Code requires CO alarms next to sleeping areas and on every...
Furnace Noises: What They Mean and What to Do

Furnace Noises: What They Mean and What to Do

Quick answer: Most furnace noises point to a specific part. Squealing usually means a blower motor or belt problem, repeated clicking without heat suggests an ignition fault, and rattling is often a loose panel. A loud bang at start-up, grinding metal, or any noise...
How Long Does a Furnace Last?

How Long Does a Furnace Last?

Quick answer: Most gas furnaces last 15 to 20 years. In Ottawa, where a furnace often runs from October to April and works hard through −25 °C cold snaps, yearly maintenance, regular filter changes and correct sizing decide whether yours reaches the top of that range....
Signs You Need a New Furnace (Before Winter Hits)

Signs You Need a New Furnace (Before Winter Hits)

Quick answer: The main signs you need a new furnace are age over 15 years, gas bills rising without a reason, two or more major repairs in two years, rooms that will not stay warm, a yellow or flickering flame, soot or carbon monoxide alarms, and loud new noises. If...
Parts of a Gas Furnace and What Each Does

Parts of a Gas Furnace and What Each Does

Quick answer: A gas furnace has four main systems: controls (thermostat, control board), combustion (inducer, pressure switch, gas valve, igniter, burners, flame sensor), heat transfer (primary and secondary heat exchangers) and air delivery (blower, filter, ducts)....