Worchester Bosch: Greenstar 4000 Combi – Pros and Cons


Worchester Bosch: Greenstar 4000 Combi Range: Should You Buy One?

The Worcester Bosch Greenstar 4000 boiler was introduced in May 2021 and ranks as one of the most efficient and eco-friendly boilers today. It would make a good investment for any homeowner or landlord.

The Worchester Bosch Greenstar 4000 offers a wide range of features and benefits, including enhanced tech compatibility, quieter operation, simpler installation, improved flow rate, and lots more. Keep reading to learn more about its pros and cons.

Simple Switch: Quick and Easy Tap

Hard-to-turn switches are one of the biggest challenges homeowners face using traditional boilers. However, the Greenstar 4000 solves this problem with its pain-free and simple switch, making it easier for you to turn the boiler on or off.

In the case of a traditional boiler, water is often wasted when the user turns on the tap and waits for heated water to come out. It usually takes some time for the cold water to turn lukewarm and then finally hot. However, Greenstar 4000’s quick tap feature allows homeowners to signal the boiler to heat the water, eliminating the need to open the tap and wait for hot water. It takes 20 seconds to heat the water, after which you can turn the tap on to allow it to flow.

More Efficient

The Greenstar 4000 is an environmentally-friendly boiler with a modulation ratio of 1:10, which means you can lower the power output to 10% of the maximum level. If you want to invest in a boiler that will help you save on energy bills, Greenstar 4000 would be an excellent choice.

Offers More Connectivity and Control

Another notable feature of this boiler is that it offers more connectivity, allowing homeowners to control and monitor the boiler’s thermostat on their smart devices, as the boiler can easily be connected to your home’s Wi-Fi. By tracking the energy being consumed, you can make a significant impact on your energy bill.

It Comes in Recyclable Packaging

Another plus point of this boiler is that it comes in 99.9% recyclable packaging allowing customers to reduce their carbon footprint and be more environmentally responsible. Worcester Bosch is strongly committed to reducing environmental pollution, which is reflected in its product line.

User-Friendly LCD Display

Unlike traditional boilers, Greenstar 4000 has an LCD panel that combines with an easy-to-push button, allowing users to efficiently program and retrieve information about the boiler’s current status. It does not provide confusing details or instructions, making it super easy to operate.

Soundless Operation

Regular boilers typically make a lot of noise which can be a huge cause of annoyance for homeowners. However, the Greenstar 4000 operates at 45dB, which makes its operation noise-free


If you’re looking for a budget-friendly boiler, you should know that this boiler has a higher price point. However, if you want long-term reliability, easy-of-use, and value for money, the Greenstar 4000 would definitely be a great fit for your home!

Looking for a Boiler Installation Service? Contact Us Today!

Installing a boiler can be tricky and requires skilled professionals to get the job done. At Bbright, we have a team that specializes in boiler installation, replacement and repairs. Our work meets the required UK standards and safety regulations. For details, call 01279 888429 or click here to get a quotation.