Air-source Heat Pump (ASHP)

Monitors & Protects Your Home In Your Absence
An air-source unitary heat pump model is made up of one or more factory-built assemblies that typically contain indoor compressors, conditioning coils, and outside coils, as well as heating components. Air heating with a controlled temperature must be provided by ASHPs, which may also include air cooling, air movement, air cleaning, dehumidification, and humidification.

Central Air Conditioner

One or more factory-made assemblies, such as an evaporator or cooling coil(s), compressor(s), and condenser, make up a central air conditioner model (s). Central air conditioners provide cooling as well as other tasks such as air movement, air cleansing, dehumidification, and humidification.

Heating Seasonal Performance Factor (HSPF)

This is the energy efficiency of a heat pump over a single heating season. It compares the total heating output (including additional electric heat) of a heat pump (in Btu) to the total power consumed (in watt-hours) during the usual heating season. The HSPF is calculated using results from tests conducted in accordance with ARI 210/2401.

Seasonal Energy Efficiency Ratio (SEER)

During the cooling season, this is a measure of equipment energy efficiency. It compares the total cooling capacity of a central air conditioner or heat pump (in Btu) to the total electric energy input (in watt-hours) consumed during the regular cooling season. SEER is based on tests that were conducted in line with the ARI 210/2401 standard.

Energy Efficiency Ratio (EER)

This is a measurement of the cooling equipment’s immediate energy efficiency. EER is calculated by dividing the steady-state rate of heat energy removal (e.g., cooling capacity) by the steady-state rate of energy input to the equipment in watts. Btuh per watt (Btuh/watt) is the unit of measurement for this ratio. EER is calculated using results from tests conducted in compliance with ARI 210/2401.

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