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2. Seasonal energy efficiency ratio - Wikipedia

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

   The SEER rating of a unit is the cooling output during a typical cooling-season divided by the total electric energy input during the same period. The higher the unit's SEER rating the more energy efficient it is. In the U.S., the SEER is the ratio of cooling in British thermal units (BTUs) to the energy consumed in watt-hours.

3. European seasonal energy efficiency ratio - Wikipedia

   en.wikipedia.org/wiki/European_seasonal_energy...

   In the United Kingdom, a Seasonal Energy Efficiency ratio (SEER) for refrigeration and air conditioning products, similar to the ESEER but with different load profile weighting factors, is used for part of the Building Regulations Part L calculations within the Simplified Building Energy Model (SBEM) software, and are used in the production of Energy Performance Certificates (EPC) for new ...

4. Heating, ventilation, and air conditioning - Wikipedia

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

   To more accurately describe the performance of air conditioning equipment over a typical cooling season a modified version of the EER, the Seasonal Energy Efficiency Ratio (SEER), or in Europe the ESEER, is used. SEER ratings are based on seasonal temperature averages instead of a constant 35 °C (95 °F) outdoor temperature.

5. Air conditioning - Wikipedia

   en.wikipedia.org/wiki/Air_conditioning

   The Mitsubishi model was the first air conditioner with a cross-flow fan. [64] [65] [66] In 1969, the first mini-split air conditioner was sold in the US. [67] Multi-zone ductless systems were invented by Daikin in 1973, and variable refrigerant flow systems (which can be thought of as larger multi-split systems) were also invented by Daikin in ...

6. Heat pump - Wikipedia

   en.wikipedia.org/wiki/Heat_pump

   Pumps with ratings of 18 SEER or above are considered highly efficient. The highest efficiency heat pumps manufactured are up to 24 SEER. [38] Heating seasonal performance factor (in the US) or Seasonal Performance Factor (in Europe) are ratings of heating performance. The SPF is Total heat output per annum / Total electricity consumed per ...

7. All You Need to Know About Carrier Global (CARR) Rating ... - AOL

   www.aol.com/news/know-carrier-global-carr-rating...

   Carrier Global (CARR) might move higher on growing optimism about its earnings prospects, which is reflected by its upgrade to a Zacks Rank #2 (Buy).