Why choose Worcester Bosch for your next central heating boiler?
Worcester Bosch is the number 1 boiler choice for millions of homeowners, who's focus is on both quality and value for money. Known as the installers choice 9 out of 10 boiler engineers would choose a Worcester Bosch for heating their homes.
"Which" best buy for 9 years running, scoring top marks for reliability and customer satisfaction
Worcester Bosch customers have consistently rated 5 stars on Trustpilot
Worcester Bosch - Greenstar i System (9kW to 24kW)
The Worcester Bosch I System gas boiler is our most popular gas boiler, it is available in 9KW, 12KW, 15KW, 18KW, 21KW and 24KW outputs, this broad range of 
outputs makes it an excellent replacement option for the small to medium sized homes. Being a system boiler, it incorporates the circulation pump, expansion vessel and pressure relief valve. All of which are covered during the term of the extended warranty. Warranties range from 7-10 Years depending on installation practices.
The boiler controls are both simple and easy to use incorporating a digital display screen, additional Worcester control options are available to use with the Greenstar i System boiler range. This allows for better preforming heating system increasing comfort while further reducing operational costs. The low energy circulation pump contained within the boiler, modulates to suit the boiler output this modulation results in reduced electrical usage.
- Digital Display
- Easy to use Boiler controls
- Compatible with Worcester Control Range
- 7-10 Year Warranty
- Energy Saving Circulation Pump
- Which? Best Buy Winner
- Reliability Tested
The most popular gas boiler we install, the system gas boiler range from Worcester Bosch are known for there quality components, engineering and reliability. These gas boilers are robust enough to meet the demands of almost any household.
Efficient and cost effective
The Worcester bosch greenstar system gas boilers contain many of the main heating parts, such as the circulation pump. This makes for a much tidier, quicker install and reduced maintenance costs while increasing efficiency.
Smart Compact Design
A neat looking boiler that is designed with your home in mind, the Greenstar system boilers space saving design makes them a perfect fit for a range of locations. Need an even smaller sized boiler unit? The system boiler also has a compact range for with a depth of just 270mm!
Worcester Bosch heating and hot water
The greenstar range of system boilers are fully compatible with a wide range of additional controls, which will increase your home comfort and efficiency. Take advantage of extended warranties available with the addition of a highly efficient Greenstore hot water cylinder from Worcester Bosch.
System Boilers can also be used with solar hot water systems.
Greenstar Regular/Heat Only Boilers
The Regular gas boiler does not contain the additional components found in both combis and system gas boilers. Such as the circulating pump, pressure relief valve, diverter valves, by pass valves, frost protection to name but a few.
Small Boiler Size
Because the regular gas boiler has less components and parts within the boiler casing, it is smaller in length, width and depth. This compact size allows for a neat and tidy looking installation, it will even fit inside your standard kitchen cupboard.
Efficiency
Designed for small to large sized homes, the Greenstar regular boiler range will improve your homes efficiency and comfort while lowering your carbon output. These robust reliable boilers are also an ideal installation solution when more than one boiler is required to meet the property's heating or hot water needs.
Worcester Bosch Boiler Range
Worcester Bosch - Greenstar Ri (12kW to 24kW)
The Worcester Bosch Greenstar Ri Condensing gas boiler is a compact heat-only boiler, available for both LPG and Natural Gas and four output sizes 12KW, 15KW, 18KW and 24KW making it an ideal boiler replacement option for small to medium sized homes. The compact size of this gas boiler makes for a comfortable fit in a standard kitchen cupboard. The Boiler also has built in frost protection, providing invaluable frost protection especially in the case of a loft, garage or boiler house installation. The boiler controls are both simple and easy to use, they comprise of a boiler thermostat and on/off switch. This user-friendly gas boiler comes with a 7-year warranty as standard when installed by Gasworks.
- User Friendly Controls
- Frost Protection
- 7 Year Warranty Bosch
- "Which" Best Buy Winner
- "A" Rated
- LPG and Natural Gas Models
- Available in 12KW, 15KW, 18KW and 24KW
Bosch Easy Control
Get complete heating control from your smartphone with the EasyControl. An aesthetically pleasing internet connected heating and hot water controller from Bosch.
Heating Zone Control
Combine the Bosch EacyControl with Smart TRVs and get total heating control. Control and set different comfort levels for bedrooms, bathrooms, living and kitchen. 
So, if you prefer a cool bedroom at say 16 degrees and a warmer bathroom temperature, simply set the desired temperature levels at the given times. This is very easily done through the Bosch Easy Control app, where you can set several time and temperature controls for each heating control zone. Choose the time, the desired temperature, the day of the week etc.
Home Presence Detection
With the Bosch EasyControl, you'll never have to heat an empty house again. Using the latest location technologies, the controller will turn down your heat when you leave the house. This Smart EasyControl from Bosch will even turn your heating back on upon your return.
Improved Energy Efficiency
When installed with at least 3 Smart TRVs , the Bosch EasyControl will boost your Homes ErP Rating by 5%. Improving you BER rating and lowering your fuel bills
- Intelligent Boiler interaction increasing efficiency
- Provides Load Compensation
- Provides Weather Compensation
- Greater home heating control and comfort
25 Year Guarantee On Worcester Bosch Cylinders
Rapid Heat Up Times
Energy Efficient
Excellent Performance
The Magnetic Filter Range from Worcester Bosch
Over time the water quality in your central heating system can gather harmful deposits and debris. These deposits can affect both the boiler, radiators and all of the heating system components.
Efficiency
Worcester Bosch Condensing boilers are highly engineered machines designed to operate with good quality water. When the central heating systems water is of a poor quality it can cause blockages and damage to both the boiler and the entire heating system. The efficiency of the heating system will also decrease as well as the lifespan of the boiler.
Worcester Bosch Boiler Protection
The Greenstar System Filter from Worcester Bosch will protect your boiler from the damage caused by sludge deposits, maintain efficiency and prolong the boilers lifespan.