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2. The Inflation Reduction Act offers subsidies for heat ... - AOL

   www.aol.com/news/the-inflation-reduction-act...

   According to This Old House, the home improvement news and entertainment outlet, a new gas furnace costs between $1,700 and $9,700 and a new oil furnace costs $4,300 to $9,200. Heat pumps do ...

3. The Inflation Reduction Act offers subsidies for heat pumps ...

   www.aol.com/news/inflation-reduction-act-offers...

   According to This Old House, the home improvement news and entertainment outlet, a new gas furnace costs between $1,700 and $9,700 and a new oil furnace costs $4,300 to $9,200. Heat pumps do ...

4. Seasonal energy efficiency ratio - Wikipedia

   en.wikipedia.org/wiki/Seasonal_energy_efficiency...

   A residence near Chicago has an air conditioner with a cooling capacity of 4 tons and an SEER rating of 10. The unit is operated 120 days each year for 8 hours per day (960 hours per year), and the electric energy cost is $0.10 per kilowatt-hour. What is its annual cost of operation in terms of electric energy?

5. Heating degree day - Wikipedia

   en.wikipedia.org/wiki/Heating_degree_day

   As total energy consumption is in kilowatt hours and heating degree days are [no. days×degrees] we must convert watts per kelvin into kilowatt hours per degree per day by dividing by 1000 (to convert watts to kilowatts), and multiplying by 24 hours in a day (1 kW = 1 kW⋅h/h).

6. Central heating - Wikipedia

   en.wikipedia.org/wiki/Central_heating

   Institutional heating systems (office buildings or schools, for example) can use low-grade, inexpensive bunker fuel to run their heating plants, but capital cost is high compared to more easily managed liquid fuels. Natural gas is a widespread heating fuel in North America and northern Europe. Gas burners are automatically controlled and ...

7. Thermal efficiency - Wikipedia

   en.wikipedia.org/wiki/Thermal_efficiency

   The heating value of a fuel is the amount of heat released during an exothermic reaction (e.g., combustion) and is a characteristic of each substance. It is measured in units of energy per unit of the substance, usually mass, such as: kJ/kg, J/mol.