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2. 10 Signs Your Heater Isn’t Working as Well as It Could (and ...

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   Open the access panel on the furnace and locate the pilot light assembly reset switch. Turn it to the off setting and wait about 5 to 10 minutes for any excess gas to dissipate, then turn the ...

3. Is It Time for a Furnace Upgrade? 10 Warning Signs to ... - AOL

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   Typically, a furnace will last about 15 to 20 years if it's properly maintained and repaired whenever a problem arises. In some cases, a furnace might last up to 30 years, though it's more likely ...

4. Central heating - Wikipedia

   en.wikipedia.org/wiki/Central_heating

   This limit controller may shut the furnace off if the blower fails or if something is blocking the air flow. The heated air is then sent back through the home through supply ducts. In larger commercial applications, central heating is provided through an air handler which incorporates similar components as a furnace but on a larger scale.

5. Overheating (electricity) - Wikipedia

   en.wikipedia.org/wiki/Overheating_(electricity)

   Circuit-breakers can be placed at portions of a circuit in series to the path of current it will affect. If more current than expected goes through the circuit-breaker, the circuit breaker "opens" the circuit and stops all current. A fuse is a common type of circuit breaker that involves direct effect of Joule-overheating.

6. Thermostat - Wikipedia

   en.wikipedia.org/wiki/Thermostat

   To improve the control performance of the system, thermostats can include an "anticipator", which stops heating/cooling slightly earlier than reaching the setpoint, as the system will continue to produce heat for a short while. [4] Turning off exactly at the setpoint will cause actual temperature to exceed the desired range, known as "overshoot ...

7. Furnace (central heating) - Wikipedia

   en.wikipedia.org/wiki/Furnace_(central_heating)

   A condensing gas furnace includes a sealed combustion area, combustion draft inducer and a secondary heat exchanger. The primary gain in efficiency for a condensing gas furnace, as compared to a mid-efficiency forced-air or forced-draft furnace, is the capture of latent heat from the exhaust gases in the secondary heat exchanger.

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   Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.

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