HE HIGH EFFICIENCY HEAT PUMP
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Hotstart's HE High Efficiency Heating System uses proven air-source heat pump technology to provide the most efficient engine heating solution for standby generators. HE systems use less energy to maintain water jacket temperatures than engine heaters powered by electric resistance.
The HE-12, HE-18, HE-24, and HE-36 are efficient, single-stage air-source heat pumps capable of reducing engine heating costs by up to 75% compared to electric resistance heaters. The system design allows for effective heat transfer through a series of exchangers, using existing heat from the surrounding air rather than generating it through electrical resistance. The resulting reduction in carbon footprint contributes to end-users' net-zero goals.
Standby generators equipped with a HE heating system and a standard Hotstart engine heater will reliably start in lower ambient temperatures. The two systems work in tandem to provide heating redundancy – the existing engine heater takes over if the heat pump technology alone cannot maintain adequate starting temperature. Connected controls allow for the systems to switch on/off automatically based on ambient temperatures.
