The Worcester Bosch Greenstar 4000 is a very popular combi boiler and is Worcester Bosch's mid-range combi boiler. It is positioned in between the Worcester Bosch Greenstar 1000, 2000 and 8000 ranges.
The Worcester Bosch Greenstar 4000 is a well-designed A-rated boiler that is easy to use, and provides the user with high reliability and high energy efficiency for small to medium sized homes.
Product Highlights
- High 10-year warranty available
- A-rated energy efficiency
- It comes in two sizes (output wise) 25kW and 30kW
- It's a very quiet running boiler
- Compatible with smart thermostats such as Hive's and Google Nests
- High hot water flow rates
Benefits vs Drawbacks
Benefits
- 94% energy efficiency, resulting in lower energy bills
- High hot water flow rate, meaning good flow and pressure at the showers and taps
- Designed for easy installation
- Compatible with smart thermostats
- It fits easily and nicely in a kitchen cupboard
- User friendly LCD interface
- Quiet operation
- 10-year warranty
Drawbacks
- The 4000 series only goes up to 30kW so they're not suitable for larger homes with more than one bathroom running at the same time
- Compared to budget boilers they're a more expensive boiler
Summary
The Worcester Bosch Greenstar 4000 is a great boiler and comes with a lot of positives and not many negatives, as can be seen in this article. It is perfect for small to medium-sized homes. They're reliable, have a long warranty, are small in size but high in hot water output and they look great. The initial investment is worth it to have a reliable energy efficient boiler.
Rating - 4.5/5
