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  • Writer's pictureAqua Warehouse

Will I save money by installing an Air Source Heat Pump?

The answer is definitely yes.

Did you know that heating the water is the most expensive part of owning a hot tub? In this post we will be discussing an alternative heating method called an air source heat pump. This is now the most energy efficient way of heating your hot tub water. Heat pumps are nothing new, they have been used in the swimming pool industry for decades but now with energy bills soaring people are turning to this technology to heat their hot tub or swim spa.


So how does a heat pump work?

Basically, the unit utilises warm air in the atmosphere and captures this warmth by using refrigeration technology. It then transfers this “free” heat energy to your spa water.


So how will I save money?

Heat pumps aren’t cheap so be prepared to initially spend around £2,400 but the on-going energy savings are considerable. Unlike your current electric heater which uses 1kW of power for every 1kw of heat to the water, an air source heat pump can, in the warmer months produce over 7kW of heat for the same 1kw of power..


The nett effect of this means you can easily save up to 70% in on-going energy costs. Typically, a hot tub that uses a standard electric heater will cost around £80-£100 per month, this depends on how well insulated the hot tub is and your monthly usage in general.


Without a heat pump installed you are currently paying your electricity supplier around 70% more than you need to for heating your hot tub. Having a heat pump installed offers such a massive reduction in electricity cost, these savings will quickly pay back your initial investment cost.



So, what to look out for when purchasing a heat pump?

Only buy one from a trusted installer so you can be sure of the quality and longevity. Please make sure the heat pump is designed to work all year round. Then choose a unit with big enough capacity in terms of output. An 8kW unit is becoming the industry standard.

If it’s too small, then it will struggle to heat the water in the cooler months and energy savings will be negligible.


Also think about space, the heat pump needs a constant air flow for optimum heat transfer so you will need adequate space for the unit to be positioned. In terms of power, the good news is that most heat pumps can use your existing power supply.


Installing a heat pump to a hot tub or swim spa is unfortunately not a simple job. Don’t try and do it yourself. Choose a hot tub company that has experience and knowledge. Your hot tub will be fitted with additional pipework that will be bespoke to you and will depend on the make and specification.


Conclusion

If you think you can’t afford to use your hot tub anymore, certainly in winter then consider an air source heat pump. Remember why you bought the hot tub in the first place – relaxing with family and friends, de-stressing after a hard day’s work are just 2 reasons why you shouldn’t let higher energy bills stop you.


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AUTHOR

Jess Court

I'm Aqua Warehouse Groups Marketing Officer - overseeing all things news worthy in the hot tub industry, with tips and tricks that are bound to make a splash.

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