Bosch Combi Boiler – 89,400 BTU – Greenstar ZWB28-3

The Bosch ZWB28-3 High-Efficiency Regular Boiler is a reliable, high-performance heating solution designed for homeowners who require efficient space heating and consistent hot water. Ideal for medium to larger-sized homes, this unit delivers outstanding performance while minimizing energy consumption.

With a heating capacity of 89,400 BTU, the ZWB28-3 is well-suited for homes with higher heating demands. Its natural gas operation and advanced condensing technology maximize heat transfer, ensuring optimal efficiency and reducing energy costs. The modulating burner adjusts output to match real-time heating requirements, ensuring energy is used precisely when needed and helping to lower overall fuel consumption.

Bosch is a leader in producing durable, energy-efficient heating solutions, and the ZWB28-3 continues this legacy with an impressive 95% AFUE (Annual Fuel Utilization Efficiency) rating. Homeowners benefit from lower utility bills while enjoying consistent comfort. The condensing technology captures heat that would otherwise be wasted, making the ZWB28-3 an eco-friendly choice for energy-conscious homeowners.

The expected lifespan of the ZWB28-3 is between 12 and 15 years, depending on installation quality and regular maintenance. Routine maintenance, such as system flushing and descaling, will help extend the unit’s lifespan and ensure optimal performance.

This Bosch ZWB28-3 High-Efficiency Regular Boiler comes with a 5-year warranty on parts and a lifetime warranty on the heat exchanger, offering long-term peace of mind and reliability. When purchased through HVAC Fixed, you’ll also receive a 1-year free labour warranty, with financing options available from 1 to 20 years. You can even opt for an extended labour warranty for additional protection and lasting value.

Related Documents

• Bosch Greenstar Brochure
• greenstar_warranty