Air Source Heat Pumps for Hot Tubs are a great alternative to the traditional gas or electric heating system. They require no installation of new pipework and can be placed virtually anywhere in your yard. The drastic reduction of energy costs plus fast heat up times makes this type of heating source very desirable for the DIY Hot Tub Builder. In this blog post we are going to look at everything you need to know about Air Source Heat Pumps for your DIY Hot Tub.