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2. Thinking about a move to Florida? Here are 9 key ... - AOL

   www.aol.com/finance/thinking-about-a-move-to...

   Routine tune-ups typically cost between $100 and $200, while common repairs like fixing a refrigerant leak can cost $1,600 or more. ... Fill up on gas and cash. ... While heating costs are ...

3. HomeServe Offers Central Air Conditioner Tune-Up Discount - AOL

   www.aol.com/news/2013-05-16-homeserve-offers...

   HomeServe Offers Central Air Conditioner Tune-Up Discount And DIY Tips for Homeowners to Help Maintain AC Units & Save Energy STAMFORD, Conn.--(BUSINESS WIRE)-- With summer just around the corner ...

4. Heating, ventilation, and air conditioning - Wikipedia

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

   An air conditioning system, or a standalone air conditioner, provides cooling and/or humidity control for all or part of a building. Air conditioned buildings often have sealed windows, because open windows would work against the system intended to maintain constant indoor air conditions.

5. Furnace (central heating) - Wikipedia

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

   In some areas electrical resistance heating is used, especially where the cost of electricity is low or the primary purpose is for air conditioning. Modern high-efficiency furnaces can be up to 98% efficient and operate without a chimney, with a typical gas furnace being about 80% efficient. [1]

6. Air conditioning - Wikipedia

   en.wikipedia.org/wiki/Air_conditioning

   The turn down ratio depends on the system configuration and manufacturer. It modulates from 15 or 25% up to 100% at full capacity with a single inverter from 12 to 100% with a hybrid tandem. This method is the most efficient way to modulate an air conditioner's capacity. It is up to 58% more efficient than a fixed speed system. [citation needed]

7. 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.