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2. How much more will it cost to heat your home this winter? - AOL

   www.aol.com/news/much-more-cost-heat-home...

   Heating costs for natural gas are up just over 3%, for an average cost of $634 for the winter period, compared with $615 for 2023-2024. Costs are expected to rise only modestly in line with ...

3. Seasonal energy efficiency ratio - Wikipedia

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

   On the customer bill, the electric utility states the amount of electric energy, in kilowatt-hours (kW·h), that the customer used since the last bill, and the cost of the energy per kilowatt-hour (kW·h). Air-conditioner sizes are often given as "tons" of cooling, where 1 ton of cooling equals 12,000 BTU/h (3.5 kW). 1 ton of cooling equals the ...

4. Is It Cheaper To Run Space Heaters Or Central Heat? - AOL

   www.aol.com/cheaper-run-space-heaters-central...

   Consumer Reports’ lab engineers tested more than 90 space heaters and found that the highest-rated models can heat an average-sized room (200 square feet) in about 15 minutes, with individual ...

5. Coefficient of performance - Wikipedia

   en.wikipedia.org/wiki/Coefficient_of_performance

   The coefficient of performance or COP (sometimes CP or CoP) of a heat pump, refrigerator or air conditioning system is a ratio of useful heating or cooling provided to work (energy) required. [ 1 ] [ 2 ] Higher COPs equate to higher efficiency, lower energy (power) consumption and thus lower operating costs.

6. Heating bills could be 20% less this winter, but it will ...

   www.aol.com/heating-bills-could-20-less...

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7. Air conditioning - Wikipedia

   en.wikipedia.org/wiki/Air_conditioning

   The efficiency of air conditioners is often rated by the seasonal energy efficiency ratio (SEER), which is defined by the Air Conditioning, Heating and Refrigeration Institute in its 2008 standard AHRI 210/240, Performance Rating of Unitary Air-Conditioning and Air-Source Heat Pump Equipment. [61]