Electric, air source heat pump, gas, heat exchangers, wood and solar compared: what each really costs per unit of heat at today’s UK and US prices, how fast they heat, and which one I’d fit to a DIY hot tub.
Author Archives: buildahottub
12
Dec
Dec
DIY Hot Tub Heater – which one should I choose? How you heat the hot tub can ultimately affect how you use it and how much it costs you to run your tub. As I am sure you have realised, this blog and my YouTube Channel focus on DIY Hot Tubs and Pools. Hopefully, in this article, I can explain some of the options that you have for your DIY Hot Tub Heater.
Design / Ideas Related
How to Size a Swimming Pool Overflow or Spillover (Flow Rates, Lip Design and Pumps)
09
Nov
Nov
How to size a pool or hot tub spillover: flow per foot of lip, the effect of the drop, getting the lip level and sharp, choosing the pump, plus a free calculator.
12
Sep
Sep
The cheapest proper hot tub to build is a stock tank hot tub. Here’s what the tank, plumbing kit and electrics cost, plus two other budget ideas.
11
Sep
Sep
A FLO error means your spa pack can’t detect water flowing through the heater. Here’s how to find the cause, from the free checks to the pressure switch.
10
Sep
Sep
I designed a tub for Kyle in the USA that works as both a hot tub and a cold plunge. See how his backyard wellness centre came together.
Design / Ideas Related, DIY Hot Tub Building, Materials and Construction Related
Tub & Pool Designer Pro: Free Hot Tub and Pool Design Software
03
Sep
Sep
Tub & Pool Designer Pro is my free 3D design tool for hot tubs and plunge pools, with optional plumbing diagrams and architectural CAD drawings.
03
Sep
Sep
Everything to think about before you build your own lap pool: size and depth, construction, finishes, heating a big volume of water, filtration, sanitising, covers and the UK and US rules.
02
Sep
Sep
Chris swapped his electric heater for an air source heat pump. Here’s how we planned it, the pre-plumbed bypass he found, and the fix for his E3 flow error.
26
Aug
Aug
Paul walks us round his nearly finished DIY hot tub in the UK and explains the features and thinking behind the design.