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Get The Air Source Heat Pump Hot Tub Upgrade!

Our complete Air Source Heat Pump upgrade offers an estimated average reduction of 75% off your hot tub heating costs.

Air Source Heat Pumps can be retrofitted to just about any Hot Tub

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Air Source Heat Pumps

Our range of Air Source Heat Pumps are the best in the business, installed the right way to ensure no loss of power while maintaining full benefit of the pump. 

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Flexible Installation

No Loss Of Power

Huge Energy Savings

75% OFF

Upto 75% Off Day to Day Hot Tub Heating Costs

The Very Best

We only supply the very best Air Source heat Pumps

Flexible Installation

Your Air Source Heat Pump where you want it.

The most energy efficient way to run a Hot Tub!

Our energy efficient upgrade results are unparelled in the hot tub industry. Our Own real world tests achieved daily running costs of just £1.21 to maintain 38 degrees. In our tests we used a 32 amp wellis 8 foot tub in an outdoor setting thats just £8.45 ! a week calculated at current rates of 34p per kwh. Using a 5kw midi Onda tests conducted july 2022.

Details and Specs

Air Source Heat Pumps & The Elements of Hot Tub Economy!

Air Source heat Pumps are a fantastic way to reduce overall Hot Tub running costs. Uninsulated, or badly insulated, hot tubs can also waste over £500 per year in energy costs. Our UK mainland service offers the best insulation upgrade available. Normally a hot tub heat pump requires 24/7 circulation and 24/7 power consumption. It’s one of the most power-intensive areas of running a hot tub. We we can reduce running costs more than any other, like-for-like hot tub upgrade service available.


Supafoil is a hot tub insulation material than can be retro-fitted to the interior of your hot tub. Measured and cut to fit by our technicians in an all-in-one hot tub insulation and economy tweak. Supafoil alone is one of the very best ways you can improve your hot tub insulation. Combined with our technician’s expertise you can rest assured supafoil will do its job for many years to come.


Our SpaGuard command module can communicate seamlessly with the hot tub heater, the heat source pump and the circulation pump on virtually any hot tub. This allows the use of our economical heat pump only, the electric heater, or both. The SpaGuard Control Module esnures the hot tub pumps are switched on, only when needed. Normally, heat source pumps require 24/7 circulation, which means SpaGuard saves you even more.

SpaGuard is only available from Hot Tub Doctors and is not available from any other manufafturer. SpaGuard can be retro-fitted to almost any hot tub or swim spa, old or new. Yes, even brand-new hot tubs and swim spas, with the very latest insulation, can benefit from our upgrade. It’s that efficient.

Air Source Heat Pumps

We have a range of air source heat pumps that suit a wide range of applications, that will work form -15 to 43 degrees, ensuring the perfect solution for each situation every time. 

If you would like to see more information regarding the outstanding air source heat pumps, including more information related to the amazing energy saving capabilities please click the PDF button below for the full brochure.