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2. Is Central Air Worth the Cost? Plus, What You Can Do Instead

   www.aol.com/central-air-worth-cost-plus...

   Some homes are able to keep naturally cooler than others, but many people consider installing central air conditioning to keep their homes tolerable. See Our List: 100 Most Influential Money Experts

3. 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]

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. Extreme heat has people cranking up their air conditioners ...

   www.aol.com/news/extreme-heat-people-cranking...

   That boost allowed state officials to help more than 100,000 residents a year with utility bills and installing new air conditioners, up from 65,000 households before the influx.

7. The Average Cost of a House in the US vs. Canada - AOL

   www.aol.com/finance/average-cost-house-us-vs...

   Rising housing prices have been a topic of discussion in the United States for quite some time. One of the plights of being an American seems to be the difficulty of buying a home, but is it just ...