Bosch Tankless Water Heaters by Global Pro Tankless Supply, Inc.
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Retail: Tankless Water Heaters by Bosch AquaStar, Ariston and PowerStar
Wholesale: Tankless water heaters by Bosch Therm, Ariston Pro Ti and Powerstream Pro

Global Pro Tankless Supply sells tankless hot water heaters by BOSCH AquaStar, Ariston, PowerStar and PowerStream directly to consumers via our retail division at We carry Whole House and Point-of-use products in Gas and Electric models.

Retail Division


Our retail division, Global Towne, sells tankless hot water heaters directly to consumers via GlobalTowne also sells 3" stainless steel venting and 4" stainless steel venting.

Point-of-Use Electric Tankless Water Heaters

Ariston Point-of-Use Electric Tankless Water Heaters

Ariston Point-of-Use Electric Tankless Water HeatersDesigned by the world's leading point-of-use water heater manufacturer, the new Ariston GL series combines good Italian design and state of the art features including glass-lined tanks, a 6- year warranty and highest recovery time.

Including the Ariston GL 2.5, GL 4 and GL6 Plus Models

PowerStar Electric Tankless Hot Water Heaters

PowerStar Point-of-Use Electric Hot Water HeatersPowerStar instantaneous electric, point-of-use water heaters install at the sink and provide endless hot water while eliminating wasteful cold water runout.

Including the PowerStar AE9.5 (RP1), RP2, AE 3.4 (RP3), AE7.2 (RP7), RP9 and AE12 (RP12) Models

We carry the following Point-of-Use Electric Tankless Water Heaters: