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2. In Texas, is it better to have a heat pump or an air ... - AOL

   www.aol.com/texas-better-heat-pump-air-163833761...

   But between the cost of maintenance and a good replacement, here’s why Texans ought to consider heat pumps over air conditioners. Texas is the number one state with heat pumps installed in homes ...

3. Seasonal energy efficiency ratio - Wikipedia

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

   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 amount of power that needs to be applied continuously over a 24-hour period to melt 1 ton of ice. The annual cost of electric energy consumed by an air conditioner may be calculated as follows:

4. Heating, ventilation, and air conditioning - Wikipedia

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

   Central, "all-air" air-conditioning systems (or package systems) with a combined outdoor condenser/evaporator unit are often installed in North American residences, offices, and public buildings, but are difficult to retrofit (install in a building that was not designed to receive it) because of the bulky air ducts required. [32] (Minisplit ...

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. Texas heat wave has inmates' families worried about lack of ...

   www.aol.com/news/texas-heat-wave-inmates...

   Only about 30% of Texas’ 100 prison units are fully air conditioned, with the rest having partial or no air conditioning. Texas currently has more than 128,000 inmates.

7. Energy Star - Wikipedia

   en.wikipedia.org/wiki/Energy_Star

   The Energy Star program's savings calculator has also been criticized for unrealistic assumptions in its model that tend to magnify savings benefits to the average consumer. [ 26 ] Another factor yet to be considered by the EPA and DOE is the overall effect of energy-saving requirements on the durability and expected service life of a mass ...