Carbon monoxide
Definition to come.
Where it comes up
- Gas furnaces
How a gas furnace heats, what AFUE means and the signs worth a closer look
- Older furnaces
Gravity and coal-era furnaces, gas conversions and how to judge a furnace's age
- Gas water heaters
Gas water heater types, burning air, venting and the signs of backdrafting
- How gas appliances burn and vent
Combustion air, flues, vent categories and condensing furnaces
- Before the heating season
The fall check-up, the filter and humidifier, alarms, vents, boilers and heat pumps
- What you notice and what it can mean
No heat, short cycling, noises, smells, water, ice and high bills, and what they can mean
- Natural gas safety
The added smell, gas detectors, your gas pipes and yearly appliance checks
- Carbon monoxide
What CO is, its symptoms, the alarm law, placement and testing
- Venting and chimneys
How exhaust leaves the house, backdrafting, tests and signs to notice
- Warning signs
Signs a system may be unsafe, and when to stop and have it checked