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Photo of a fireguard coil with a wood fire lit inside it.

Firetree Metalworks 

We make high-quality, stainless steel heater coils for your wood-fired hot tub.

Create your ideal heater coil set-up through our shop, or contact us directly for a customised heat exchange coil. 

We also design customised heat exchange coils for other uses. Please contact us for further information. If you're from outside the UK or NI, please check our information on buying Firetree Metalworks coils internationally.

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John A, UK

"Well chuffed with this purchase. I installed it this afternoon and it's heated our blow-up hot tub to just under 40C in less than two hours, from 30C. Simple and easy to install."

Neill H, UK

 "If you're on the fence about these coils, then I'd say just go for it. It heats my electric tub from 8°C to 40° C in roughly four hours and can be done with zero electricity." 

Patrick L, USA

"Exactly as described, great craftsmanship and the main thing, it works perfectly. I have a 400 gallon hot tub and it takes four hours to heat with these coils. Highly recommended."
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About Firetree Metalworks

Firetree Metalworks is a small, family-run business based in Ayrshire, Scotland. We use high-quality materials in our growing range of products - which we design and manufacture ourselves. We're committed to providing great customer service. 

 

As well as our standard range of hot tub heater coils, we can also create customised heat exchanger coils - get in touch to find out more. 

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