Bosch Combi Boiler – 134,400 BTU – Greenstar ZWB42-3
Bosch Combi Boiler – 134,400 BTU – Greenstar ZWB42-3 Original price was: $9,399.00.Current price is: $8,699.00.
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Navien Combi Boiler – 199,000 BTU – Model NFC250200H
Navien Combi Boiler – 199,000 BTU – Model NFC250200H Original price was: $9,599.00.Current price is: $8,999.00.
Description

The Bosch Greenstar 79 Boiler is a high-efficiency, all-in-one heating and hot water solution, designed for homeowners with limited space who want reliable performance and energy savings. Ideal for homes with 1-3 occupants, this compact unit provides space heating and on-demand domestic hot water without needing a separate hot water tank.
With a heating capacity of 80,000 BTU and a domestic hot water output of 4.0 GPM, it’s well-suited for smaller homes, apartments, or townhouses that require consistent comfort and efficient energy use. Its natural gas operation and advanced modulation system ensure it adjusts output based on demand, optimizing efficiency and lowering energy costs. By combining two essential home functions in one unit, this Bosch Greenstar 79 CombiBoiler provides a seamless, energy-efficient solution.


Bosch is known for producing durable, energy-efficient products, and this Greenstar 79 CombiBoiler is no exception. Positioned in the mid-range price category, it offers excellent performance and advanced features, such as a user-friendly control interface and Wi-Fi connectivity for remote monitoring via the Bosch app. This makes it an ideal choice for homeowners seeking both comfort and energy savings, with a system that will deliver reliable performance for years to come.


The expected lifespan of this Bosch Greenstar 79 CombiBoiler is between 12 and 15 years, depending on installation quality, regular maintenance, and water quality. Routine maintenance, such as descaling and system flushing, will help extend the unit’s life and ensure peak performance. With an Annual Fuel Utilization Efficiency (AFUE) rating of 95%, the Bosch Greenstar 79 CombiBoiler offers exceptional energy efficiency, reducing both energy consumption and utility bills while providing year-round comfort.


This Bosch Greenstar 79 CombiBoiler comes with a 5-year warranty on parts and a 12-year warranty on the heat exchanger, offering long-term peace of mind. When purchased through HVAC Near Me, you’ll also receive a 1-year free labor warranty, with financing options available from 1 to 20 years. You can even choose to add an extended labor warranty for extra protection and lasting value. 

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Additional information
Brand

BOSCH

Family

Greenstar

Series

ZBR21

AFUE

95%

BTUH input

80

,

000 BTU

DOE Htg. Capacity BtuH

71

,

000 BTU

Energy Star

No

Gas Type

Natural gas

Weight

103.6 lbs

Product Depth

13 Inches

Product Width

17 Inches

Product Height

33 Inches

pump

Yes

Wallmount

Yes

Standing

No

Commercial/Residential

Residential

Warranty on Heat Exchanger

Lifetime Limited

Warranty on Parts

5 Years

Warranty on Labour

1 Year

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