Air Source Heat Pump for a Hot Tub and how they work. Up to75% saving using an Air Source Heat Pump.

Air source heat pumps for hot tubs. Potential savings and brief idea on how they work, interface with your hot tub. Air Source Heat Pumps for Hot Tubs can Save up to 75% energy. Hot Tub Air source Heat Pumps are extremely efficient and often over 600% efficient compared to electric heaters which are 100%.
Essentially for around 1kw of electric energy in you get around 6kw of heating energy out across the year on average - This figure varies depending on monthly Ambient Temperature.

[@daddyfixit5188]

Dude no way £4 a week. More like £40 per week 3 kw heater. I got 3