High efficiency gas
Envirosense® Power Direct Vent Water Heater
The Envirosense Power Direct Vent is a high efficiency condensing gas water heater. It has a spiral heat exchanger that helps keep hot combustion gases in the tank longer which means the water will heat up faster. This makes it ideal for larger homes with multiple bathrooms or luxury appliances such as whirlpool tubs. The Envirosense Power Direct Vent is ENERGY STAR® Qualified and with its advanced features, it is one GSW’s premium water heaters.
Envirosense® Power Vent Water Heater
The Envirosense® Power Vent is an ENERGY STAR® Qualified high efficiency condensing gas water heater. It has a spiral heat exchanger that helps keep hot combustion gases in the tank longer which means the water will heat up faster. With a 22” diameter, the Envirosense® Power Vent can be installed in less space than a 75-gallon heater but will deliver greater recovery rates and lower operating costs.
Envirosense® SF Water Heater
Superior hot water delivery is now more attainable than ever. The Envirosense® SF provides flexible, powerful and highly efficient performance to the everyday home. The fully condensing Envirosense® SF design is so advanced, it can deliver continuous hot water at a constant flow of over 2.5 gallons per minute.*
Polaris™ Gas Water Heater
The Polaris™ high efficiency condensing gas water heater is the perfect choice for combination systems. It is an extremely efficient water heater that’s also great for radiant and forced air hydronic heating applications. The Polaris™ has a high grade 444 stainless steel tank with brass connections for years of dependable, trouble-free service.
GSW builds its water heaters to be safe, energy efficient and reliable.
Many components, like our exclusive Turbulator dip tube, are available on many models and can help maintain optimum efficiency and extend tank life by reducing sediment at the bottom of the tank.