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  2. Stay Cool and Save Energy With the Best Ductless Air Conditioners

    www.aol.com/dont-lose-cool-grab-one-145500276.html

    Single Zone Ductless Mini-Split Air Conditioner. If you plan to install your ductless air conditioner in a large room, this model delivers 36,000 BTUs, making it powerful enough to efficiently ...

  3. Seasonal energy efficiency ratio - Wikipedia

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

    Today there are mini-split (ductless) air conditioner units available with SEER ratings up to 42. [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]

  4. Air conditioning - Wikipedia

    en.wikipedia.org/wiki/Air_conditioning

    Multi-zone or multi-split systems are a common application of ductless systems and allow up to eight rooms (zones or locations) to be conditioned independently from each other, each with its indoor unit and simultaneously from a single outdoor unit. The first mini-split system was sold in 1961 by Toshiba in Japan, and the first wall-mounted ...

  5. 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 ...

  6. Coefficient of performance - Wikipedia

    en.wikipedia.org/wiki/Coefficient_of_performance

    Seasonal energy efficiency ratio (SEER) is mostly used for air conditioning. SCOP is a new methodology that gives a better indication of expected real-life performance, using COP can be considered using the "old" scale. Seasonal efficiency gives an indication on how efficiently a heat pump operates over an entire cooling or heating season. [14]

  7. How much snow fell in this weekend? See accumulation totals ...

    www.aol.com/much-snow-fell-weekend-see-205917622...

    The first major lake effect snow pounded portions of the Northeast and Midwest this past weekend, with more in the forecast in the coming days.

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