US Patent Pending
The first solar thermal appliance designed exclusively for spas and hot tubs
A Breakthrough in Solar Spa Heating
✔︎ Compact, self-contained design
✔︎ 3X more efficient than rooftop panels
✔︎ Fully automatic operation
SunSide makes use of the sunlight that already falls on the side of your spa!
✔︎ No grid ties or permits required
✔︎ Works with almost any spa, above- or in-ground
✔︎ Installs in less than an hour
Why is every spa not heated with the solar energy that lands on it every day?
Click below to see how it works....
Testing Shows: SunSide Brings the Heat!
Click below to see real test results...
What if I don't have room next to my spa?
No worries! SunSide can be installed at any location within 15 feet of your spa. The water lines can be insulated or buried to efficiently deliver heat to your spa from a distance.
Next to spa
Next to house
Looks good. Where do I sign up?
SunSide is entering its final testing phase.
We’re inviting a small group of dealers—especially in California and Colorado—to install discounted pilot units and share feedback, along with OEMs interested in integrating our solar heating technology into their products.
Complete the form below to apply or stay informed about upcoming nationwide availability.
For other inquiries, you can always email us at sales@sunside-solar.com.