How to Change an Air Button and Latching Relay on a Hot Tub, Pool or Spa Bath

If you’ve got an air button that’s stopped working, or a latching relay that’s given up the ghost, the good news is that this is a really straightforward job to do yourself. In this article — and the accompanying video — I’m going to walk you through exactly what these components are, how they work, and how to swap them out.
Let’s get into it.

How to Choose the Right Air Source Heat Pump for Your Hot Tub or Pool

With so many air source heat pumps on the market right now, choosing the right one can feel overwhelming. There are dozens of brands, hundreds of models, and enough jargon in the spec sheets to make your head spin.
But here’s the good news — once you know what to look for, it’s really not that complicated. In this article, I’m going to walk you through the key things you need to consider before you part with your cash. By the end, you’ll know exactly what questions to ask and what to look out for.
Let’s get into it.

Hot Tub vs Plunge Pool – Which Should You Build in 2026?

Right, this is one of those questions that lands in my inbox on an almost daily basis. Hot tub or plunge pool – which one should you build? And the honest answer is that there is no definitive right or wrong. It really does come down to personal preference and your own circumstances. But in this post I’m going to break down the key differences between the two so that by the end of it, you’ll have a much clearer idea of which direction is right for you.

Patrick’s Wisconsin Basement Hot Tub & Cold Plunge – Waterproofing, Tiling & a Surprise Water Feature!

We’re back with another update from Patrick in Wisconsin, and this one is a big one. If you’ve been following Patrick’s basement hot tub and cold plunge build, you’ll know he’s been at this for a while now – and things are really starting to look the part. In this latest update we’re looking at waterproofing, tiling, faux rock walls, and a rather exciting water feature that Patrick and his wife have been working on. Let’s get into it!

Key Considerations for Building a DIY Hot Tub in 2026

So, you’re thinking about building a DIY hot tub in 2026? Well, you’ve come to the right place. On my channel and here at buildahottub.com, there’s a huge amount of information about everything you need for building a DIY hot tub. I’ve got parts, designs, video courses, and absolutely everything you need to make your hot tub dream a reality.

In this article, I’m going to highlight some of the key considerations you need to think about before you even start your DIY hot tub project in 2026. These are the decisions that will shape your entire build, so it’s worth getting them right from the start.

The Kansas Craftsman Who’d Never Built a Hot Tub (Until He Built One Better Than Most Pros)

Sure, he’d built plenty of things. Deck? Check. Workshop? Done. Custom furniture? No problem. But a hot tub? That was different. That was one of those projects where most people just throw up their hands and call a contractor.

Most people aren’t Mark.

DIY Hot Tub and Cold Plunge Build: Patrick’s Wisconsin Basement Project Update

Building your own hot tub is an ambitious project that many homeowners dream about, but few understand the real timeline and commitment involved. In this latest update from builderhotub.com, we catch up with Patrick from Wisconsin, who’s been constructing a combination hot tub and cold plunge in his basement using concrete blocks. His journey offers valuable insights into the realities of DIY hot tub construction.

Do I need a Permit for My Hot Tub?

Hot Tub Permit

The short answer is that it depends. Not the most helpful (yet) thing you have read but please do read on. It does depend on where you are located. If you are located in the UK for example, then no, you do not need a permit for a hot tub. You are able to build tubs and pools without a permit or planning permission as it is called over there.