The Best Spa Heater - October 2021
Based on the analysis of 2,170 reviews.
Top Spa Heater Brands
At Pentair, we've revolutionized the swimming pool business with innovative and high-performance pool pumps, filters, heaters, cleaners, lighting, automation systems and more. Each item is expertly engineered and crafted with spa and pool owners in your mind, and also adheres to our rigorous criteria for quality performance and design.
Decades of commitment to reliable, technologically advanced, and economical pool products has built our reputation as the pool industry's international leader. Join the millions of spa and pool owners around the globe who rely on Pentair to bring their poolscape dreams to life.
See all Pentair products
Classic tank heaters waste energy via heat that is lost, take up a lot of space, can rupture and rust and may frequently run out of hot water when you want it most. With a slick design and technology, EcoSmart's water heaters not just save cash revolutionize the industry, zero floor space is taken up by them, are lightweight and provide endless hot water that is instant. EcoSmart's patented self-modulating technology simply consumes the specific amount of energy needed to warm the the quantity of hot water needed, which may save up to 50% on water hating costs a month!
- Infinite hot water
- Saves up to 60 percent in water heating prices**
- The Most Sophisticated, self-modulating tech
- Lifetime guarantee*
- compact layout, more storage space
- Digital, temperature controller, 1-degree increments†
- Cabinets, showers & baths
- Washing machines & dishwashers
- Warehouses & offices
- Hospitals, hotels & restaurants
- RV's & boats
SAVE MONEY · SAVE SPACE · SAVE ENERGY
**Based on a 10-minute bath at 105 degrees Fahrenheit employing an ECO-8 electrical water heater in contrast to the same shower and warmth with water coming from an 40-gallon tank. By eliminating heat loss, savings additionally include 18-22 percent. *Lifetime warranty valid for versions ECO 8 - ECO 36. †Select models. © 2014 EcoSmart Green Energy Products, Inc.. All rights reserved.