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Air Source Heat Pump (ASHP) – Domestic Use
- Most common type
- Extracts heat from ambient air to heat water
- Ideal for homes, PGs, small hotels, and offices Example: Solarizer Spring – a premium domestic heat pump with smart efficiency


What is an Air Source Heat Pump and how does it work?
An ASHP extracts heat from the surrounding air—even in cooler weather—and uses it to heat water efficiently. It works like a reverse air-conditioner, transferring ambient heat into a water storage tank.
Is it suitable for everyday home use?
Yes. ASHPs are ideal for homes, hostels/PGs, small hotels, and offices. They’re especially useful where hot water is needed daily in large volumes, offering consistent performance and cost savings.
How energy-efficient is an ASHP compared to electric geysers?
ASHPs use up to 70% less electricity than traditional electric water heaters. For example, the Solarizer Spring model offers premium efficiency with smart technology, delivering hot water affordably all year round.
Can it provide hot water in winter or at night?
Yes. ASHPs work in all seasons and can extract heat from the air even when it’s cold. With insulated storage tanks, they store hot water for use any time—day or night.