Air Source Heat Pumps

How an Air Source Heat Pump Can Cut Your Hot Tub Running Costs by Up to 70%

If you love relaxing in your hot tub but dread the rising energy bills, there’s a smart, sustainable solution — an air source heat pump (ASHP). Designed to efficiently heat your hot tub using renewable energy from the air, an ASHP can reduce your heating costs by up to 70%, all while being kinder to the environment.

What Is an Air Source Heat Pump for a Hot Tub?

An air source heat pump works by extracting heat from the surrounding air and transferring it into the water in your hot tub. It doesn’t generate heat by burning fuel — instead, it moves existing heat, using a small amount of electricity to do so. This makes it far more energy-efficient than traditional electric heaters, which convert electricity directly into heat.

How Does It Save You Money?

A standard electric heater in a hot tub operates at about 1:1 efficiency — it uses 1kW of electricity to produce 1kW of heat. In comparison, an air source heat pump can deliver 3–5kW of heat from that same 1kW of electricity. That’s a 300–500% efficiency rating.

This means your hot tub reaches temperature faster and stays warm for less money. For regular users, this can translate into up to 70% savings on energy bills — especially if you keep your tub running year-round.

Year-Round Comfort, Environmentally Friendly Performance

Air source heat pumps are built to work in all weather conditions, even when outdoor temperatures drop. Most models can efficiently operate in temperatures as low as -10°C, keeping your water perfectly warm whatever the season.

And because they use renewable energy from the air, they also reduce your carbon footprint — a win for your wallet and the planet.

Easy to Install, Built to Last

Modern heat pumps are compact, quiet, and easy to integrate with most hot tubs. Once installed, they require minimal maintenance and can last 10–15 years or more, offering long-term reliability and savings.

Relax Smarter

Switching to an air source heat pump means you can soak in luxury without the guilt. With lower energy bills, reduced emissions, and consistent comfort, it’s the smartest upgrade you can make to your spa experience.

Relax more, spend less — with an air source heat pump, your hot tub has never felt so good.