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2. Furnace (central heating) - Wikipedia

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

   An oil furnace. A furnace (American English), referred to as a heater or boiler in British English, is an appliance used to generate heat for all or part of a building. Furnaces are mostly used as a major component of a central heating system.

3. Heating, ventilation, and air conditioning - Wikipedia

   en.wikipedia.org/wiki/Heating,_ventilation,_and...

   Air handling unit, used for heating, cooling, and filtering the air. Air cleaning and filtration removes particles, contaminants, vapors and gases from the air. The filtered and cleaned air then is used in heating, ventilation, and air conditioning. Air cleaning and filtration should be taken in account when protecting our building environments ...

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

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

   (Canada has already required condensing furnaces for residential heating for over a decade.) Close-up of flames on a natural gas furnace burner in the HVAC system of a suburban home in San Ramon ...

5. Energy poverty and cooking - Wikipedia

   en.wikipedia.org/wiki/Energy_poverty_and_cooking

   Health effects are concentrated among women, who are likely to be responsible for cooking, and young children. [3] The work of gathering fuel exposes women and children to safety risks and often consumes 15 or more hours per week, constraining their available time for education, rest, and paid work. [3]

6. 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

7. Can kids work out at the gym? Experts reveal age limits ... - AOL

   www.aol.com/lifestyle/kids-gym-experts-reveal...

   The American Academy of Pediatrics recommends three full hours of physical activity per day for kids ages 3 to 5, and 60 minutes of moderate-to-vigorous physical activity on most days of the week ...