Solar Hot Tub Kit

Why a solar hot tub heater?

Because hot tubs, swim spas, and pools are expensive to heat and they use large amounts of electricity or gas. To put it simply, this is the least expensive way to heat your hot tub. The Sunbank Solar Hot Tub Kit produces more than 21,000 BTU per collector on a sunny day and transfers that heat into your tub or spa. In places with high electricity rates that install multiple collector systems, the kit can save you as much as $900 dollars per year.

Simple Installation

The Sunbank Hot Tub Kit allows you to pull excess heat from your Sunbank and put it into your hot tub. It involves

Sunbank Solar Water Heater Mounted on a roof

running pipe from your Sunbank location to a heat exchanger in your hot tub. Since this kit is running potable water through outdoor pipe, it is only suitable for places without hard freezes like coastal California and Hawaii. The kit is especially effective in places where people use their hot tubs year-round. This is because there is 3x more solar radiation in the summer than the winter, so it is best to be able to use the excess heat produced in the summer. This kit serves the dual function of providing overheat protection for the Sunbank in the summer. In the winter, you won’t expect there to be much excess production that isn’t already used by the domestic hot water in the house. This is a simple retrofit and can be installed in one day. Sunbank will supply you with an installation manual that lists the tools you need, and either you or your local handyman can do the installation.

Easily installed on any hot tub

Saves up to $900/yr in electricity costs

Solar Collector

At the heart of the solar hot tub kit is our Sunbank SB-80G system. This system will be mounted on your roof or the ground and connected to your domestic hot water system as that is its primary use. Then a secondary loop is pulled from the system to send heat to your hot tub or pool. This system is rigorously tested and SRCC certified, which makes it eligible for the 30% federal tax credit.

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My Hot Tub Isn’t in the Sun

It doesn’t need to be, since you will be pulling heat from the Sunbank that is mounted in the sun.

Swim Spas and Solar Pool Heaters

For swim spas or pools, you will need a different type of system that can produce much more heat and is typically professionally installed. For these types of systems we recommend an array of our Solar Pool Heating Collector. As opposed to typical solar pool collectors that are made of plastic and have a 3-5 year life span before they start leaking, our collectors are made of copper tubing with tempered glass and an aluminum frame. They are robust and made to last for 30+ years. Many people come to us when the plastic collectors on their roof and leaking and have caused their roofs to leak. Our pool collectors are more expensive than plastic pool collectors, but also last much longer. You will want 50-100% of your pool surface area in collectors to adequately heat your pool in the spring and fall, depending on your local climate. Send us a message with the square footage of your pool and where you are located and we can help you with sizing.