Bosch has been a trusted name in water heaters since Founded 1886, based in Germany. As part of Robert Bosch GmbH, Bosch benefits from extensive R&D and manufacturing resources. The brand is particularly known for German-engineered tankless and point-of-use water heaters with compact designs and high energy efficiency. Bosch is positioned in the premium price tier, making it a premium investment for water heaters.
Bosch Water Heaters
by Robert Bosch GmbHBosch offers a full range of water heating solutions including gas and electric tankless models, hybrid electric heat pump water heaters, point-of-use mini-tanks, and indirect storage tanks. Their Greentherm series of condensing tankless units achieves up to 97% thermal efficiency with ultra-low NOx emissions. Tronic series covers electric tankless and small storage needs.
PremiumTop-tier materials, design, and warranty
Bosch Water Heaters Product Lines
Greentherm (Condensing Tankless)Therm (Non-Condensing Tankless)Tronic (Electric Tankless)Tronic (Point-of-Use)Heat Pump Water Heaters
Why Choose Bosch for Water Heaters?
Bosch stands out in the water heaters market because of German-engineered tankless and point-of-use water heaters with compact designs and high energy efficiency. Their products carry 3 industry certifications, including Energy Star, UL Listed, CSA Certified, giving homeowners confidence in quality and compliance. Bosch backs their water heaters with a 5-year limited warranty on tankless water heaters; 6-year on electric models; varies by product, which shows commitment to long-term reliability. With 5 dedicated product lines — Greentherm (Condensing Tankless), Therm (Non-Condensing Tankless), Tronic (Electric Tankless), Tronic (Point-of-Use), and more — there's a Bosch option for virtually every need and budget.
Certifications & Standards
Energy StarUL ListedCSA Certified
Warranty & Support
Warranty5-year limited warranty on tankless water heaters; 6-year on electric models; varies by product
Phone Support1-800-283-3787
Official Websitehttps://www.bosch-homecomfort.com
Where to Buy Bosch Water Heaters
Water Heaters How-To Guides
View All →How to Adjust Water Temperature
Set your gas or electric water heater thermostat to the right temperature for comfort, safety, and lower energy bills -- plus how to verify the actual output with a thermometer.
How to Choose the Right Size Water Heater
Calculate the right water heater size so you never run out of hot water -- covers first-hour rating for tanks, GPM for tankless, quick sizing charts, and the mistakes that leave people taking cold showers.
How to Flush Your Water Heater
Flush sediment from your tank water heater to cut energy bills, eliminate rumbling noises, and add years to its life -- the most important maintenance task most homeowners skip.
Common Water Heaters Problems
View All →Leaking Water Heater
Water around the base demands immediate attention -- floor damage, mold, electrical hazards. Could be loose fittings, a failing T&P valve, a bad drain valve, or a rusted-through tank that needs replacement.
No Hot Water
No hot water from any fixture? Cause depends on gas vs. electric. Common culprits: pilot light out, tripped breaker, failed element, faulty thermostat or gas valve.
Pilot Light Won't Stay Lit
Lights but will not stay lit? Almost always the thermocouple -- a safety sensor that detects the pilot flame. When it fails, the gas valve shuts off. Straightforward DIY repair, under $25.
Water Heaters Types
View All →Water Heaters Buying Guides
View All →Bosch Water Heaters FAQ
Is Bosch a good brand for water heaters?
Robert Bosch GmbH is a global engineering and technology leader founded in Stuttgart, Germany in 1886. Their Home Comfort division (US operations in Londonderry, New Hampshire) manufactures high-efficiency tankless water heaters, heat pump water heaters, electric point-of-use units, boilers, and geothermal heat pump systems. Bosch is known for German engineering precision, energy efficiency, and compact designs that save space while delivering powerful performance.
What warranty does Bosch offer on water heaters?
Bosch offers 5-year limited warranty on tankless water heaters; 6-year on electric models; varies by product.
Where is Bosch made?
Bosch is based in Germany, headquartered in Stuttgart, Germany.
What price range does Bosch water heaters fall into?
Bosch is positioned in the premium price tier for water heaters. You pay more but get superior quality, materials, and warranty coverage.
What water heaters product lines does Bosch offer?
Bosch offers 5 water heaters product lines: Greentherm (Condensing Tankless), Therm (Non-Condensing Tankless), Tronic (Electric Tankless), Tronic (Point-of-Use), Heat Pump Water Heaters.
What certifications does Bosch have for water heaters?
Bosch holds 3 certifications including Energy Star, UL Listed, CSA Certified.