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  2. Air source heat pump - Wikipedia

    en.wikipedia.org/wiki/Air_source_heat_pump

    The main components of a split-system (called split as there are both inside and outside coils) air source heat pump are: An outdoor evaporator heat exchanger coil, which extracts heat from ambient air; One or more [10] indoor condenser heat exchanger coils. They transfer the heat into the indoor air, or an indoor heating system such as water ...

  3. Seasonal energy efficiency ratio - Wikipedia

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

    [10] [11] During the 2014 AHR Expo, Mitsubishi unveiled a new mini-split ductless AC unit with a SEER rating of 30.5. [12] GREE also released a 30.5 SEER rating mini split in 2015 as well. [ 13 ] Carrier launched a 42 SEER ductless air conditioner during 2018 Consumer electronic Show (CES), held in Las Vegas. [ 14 ]

  4. Fan coil unit - Wikipedia

    en.wikipedia.org/wiki/Fan_coil_unit

    These motors are sometimes called DC motors, sometimes EC motors and occasionally DC/EC motors. DC stands for direct current and EC stands for electronically commutated.. DC motors allow the speed of the fans within a fan coil unit to be controlled by means of a 0-10 Volt input control signal to the motor/s, the transformers and speed switches associated with AC fan coils are not required.

  5. Heating, ventilation, and air conditioning - Wikipedia

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

    Split systems are preferred and widely used worldwide except in North America. In North America, split systems are most often seen in residential applications, but they are gaining popularity in small commercial buildings. Split systems are used where ductwork is not feasible or where the space conditioning efficiency is of prime concern. [33]

  6. Wait, exactly how many people work for the federal government?

    www.aol.com/wait-exactly-many-people-federal...

    Even a drawdown of the size of the military and Pentagon during the George H.W. Bush administration and of the federal workforce by hundreds of thousands during the Clinton administration did not ...

  7. Tampa Bay Rays must decide fate of new stadium deal by Dec. 1

    www.aol.com/tampa-bay-rays-must-decide-135550051...

    The Tampa Bay Rays have until Dec. 1 to declare whether they want to commit to the construction of a $1.3 billion stadium originally voted on in July.

  8. Miniature Donkey Foal Celebrates Bedtime With an Adorable ...

    www.aol.com/miniature-donkey-foal-celebrates...

    Mini donkeys come in a variety of colors such as black, gray, brown, and tan. How mini is mini? These animals usually don't grow any taller than 36 inches! But they're not petite - they weigh in ...

  9. Air conditioning - Wikipedia

    en.wikipedia.org/wiki/Air_conditioning

    Residential central air systems are usually from 1 to 5 tons (3.5 to 18 kW) in capacity. [ citation needed ] 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 ...

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