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2. Furnace (central heating) - Wikipedia

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

   By comparison, most modern "warm air" furnaces typically use a fan to circulate air to the rooms of house and pull cooler air back to the furnace for reheating; this is called forced-air heat. Because the fan easily overcomes the resistance of the ductwork, the arrangement of ducts can be far more flexible than the octopus of old. In American ...

3. What's The Difference Between A Heat Pump And A Furnace ...

   www.aol.com/whats-difference-between-heat-pump...

   Discover the key differences between heat pumps and furnaces, including energy efficiency, cost, and climate suitability. Learn which heating system is best for your home and lifestyle.

4. Heating system - Wikipedia

   en.wikipedia.org/wiki/Heating_system

   A heating system is a mechanism designed to regulate and maintain a desired temperature within a space by utilizing thermal energy. It is a fundamental component of Heating, Ventilation, and Air Conditioning (HVAC) systems, providing warmth to residential, commercial, and industrial buildings.

5. Furnace - Wikipedia

   en.wikipedia.org/wiki/Furnace

   Furnace (central heating): a furnace, or a heater or boiler, used to generate heat for buildings; Boiler, used to heat water; also called a furnace in American English when used for heating and hot water in a building; Jetstream furnace or Tempest boiler, a design of wood-fired water heater

6. New efficiency standards for home furnaces unveiled [Video] - AOL

   www.aol.com/news/biden-administration-unveils...

   Electric furnaces, according to DOE, are more expensive than gas furnaces. Of course, because they don’t burn gas, a switch to electric heating would be bad news for the gas industry.

7. House concert - Wikipedia

   en.wikipedia.org/wiki/House_concert

   Yet recently I played a house concert for a high school graduation party. The 18-year-olds sat in silence for two hours, and at the end bought my CD. This was just an average bunch of Vermont kids, hanging out, grooving to some music. I just want to sing, and if these kids are any indication, I have a sneaking suspicion that they just want to ...

8. House Energy Rating - Wikipedia

   en.wikipedia.org/wiki/House_energy_rating

   The House Energy Rating (HER) or House Energy Rating Scheme (HERS) are worldwide standard measures of comparison by which one can evaluate the energy efficiency of a new or an existing building. The comparison is generally done for energy requirements for heating and cooling of indoor space. The energy is the main criterion considered by any ...

9. Low-frequency oscillation - Wikipedia

   en.wikipedia.org/wiki/Low-frequency_oscillation

   For example, by modulating the cutoff frequency of a low-pass filter to create a distinctive opening-and-closing effect. Due to the popularization of these genres, the LFO wobble is now being found in other forms of electronic dance music such as house music. LFO is commonly used in future bass music to enhance synthesisers, along with side-chain.