The common wire, sometimes referred to as the c-wire, is whats responsible for delivering constant power to your thermostat. For programmable thermostats and smart thermostats, c-wires are essential for setting a schedule or having your heat or air conditioner turn on at a desired temperature.
Can you get electrocuted replacing a thermostat?
Even replacing a broken or outmoded thermostat usually is not too difficult. Virtually all room thermostats operate on low voltage that carries little risk of harmful electric shock. However, it is always wise to shut off power to a thermostat at the service panel before examining or working on it.
Can a dirty air filter cause a fire?
Risk of a Ventilation Fire In extreme cases, a dirty air filter may become so clogged that the filter itself becomes sucked into the system, compromising air flow through the filter. This situation poses a serious fire hazard and can cause extreme damage to your HVAC unit and your home.
Can not changing your air filter cause a fire?
Neglecting to change the furnace filter can result in a house fire or in deadly combustion gases (carbon monoxide) combining with the air in your home. For a furnace to operate properly, optimal air flow is necessary.