Compare Prices , Review & Buyer’s Guide For Worcester Bosch Greenstar Heatslave

As the winter season sets in, you have to make certain smart choices regarding the brand of clothes you would prefer for winter season likewise when it comes to choosing a boiler you need to make a smart choice as well because your choice of boiler would affect your electricity bills.

The Worcester Bosch Greenstar Heatslave II External boiler is a smart choice for your home if you are having a room with Limited space. This appliance could be placed in your garden area the wonderful green colour of the boiler would blend in with your garden.

This boiler is an efficient boiler which is available in different upwards according to your energy demands. This appliance can be installed without the need for separate pumps for tanks.

NameOur RatingAvailabilityPriceGlobal ratings
WORCESTER BOSCH GREENSTAR HEATSLAVE II EXTERNAL BOILER9/10Yes£2,403 – £2.7274.3 out of 5stars. 24,061 global ratings

WORCESTER BOSCH GREENSTAR HEATSLAVE II EXTERNAL BOILER

The Worcester Bosch Greenstar Heatslave II External boiler ranges from £2,403 to £2,727 including VAT and excluding installation. This boiler is preferably designed for owners who possess lesser interior space inside their homes.

It is a floor-standing oil-fired Combi boiler. There are three hot water flow rates and outputs available.

This appliance had been relaunched in 2015, making it more energy-efficient than before. The boiler offers energy-saving ECO Mode. It is compatible with a range of optional controls and can accept water heated by green sources that will help lower your fuel consumption and energy bills. As it is a combi boiler it does not require a separate tank or cylinder.

Different Models of Worcester Bosch Greenstar Heatslave II External boiler

Model       WORCESTERSHIRE BOSCH GREENSTAR HEATSLAVE 11 18 EXTERNAL

Type.         System

Maximum Flow Rate   15

Typical Price  £2,406.00

Dimensions.  H – 950 MM

                      W – 640 MM

                      D – 770 MM

Output            18kW

Efficiency Rating  A-rated. 100%

Model       WORCESTERSHIRE BOSCH GREENSTAR HEATSLAVE 11 25 EXTERNAL

Type.         System

Maximum Flow Rate   18

Typical Price  £2,572.82

Dimensions.  H – 950 MM

                      W – 640 MM

                      D – 770 MM

Output            25kW

Efficiency Rating  A-rated. 100%

Model       WORCESTERSHIRE BOSCH GREENSTAR HEATSLAVE 11 32 EXTERNAL

Type.         System

Maximum Flow Rate   22

Typical Price  £2,726.99

Dimensions.  H – 950 MM

                      W – 640 MM

                      D – 770 MM

Output            32kW

Efficiency Rating  A-rated. 100%

Advantages

  1. The Greenstar Heatslave II External was relaunched in 2015, now being more energy-efficient than ever before and has an official efficiency rating of 90%.
  2. This appliance is A-rated for heat, B rated for water and fully compliant with the latest ErP (Energy-related Products) Directive.
  3. The boiler comes with an energy-saving ECO mode that makes the burner fire less frequently between demands whilst maintaining the heat store temperature at a lower level and ensuring the hot water set point that you have entered remains the same.
  4. Since it is a combi boiler it does not require a separate tank or cylinder.
  5. This device is compatible with optional controls.
  6. Another benefiting factor of the boiler is that it can accept water heated from Green sources such as wood-fired boilers and solar energy which in turn will help to reduce your fuel bills and will increase efficiency.
  7. This device has its thermal control and can instantly heat water.
  8. This appliance also offers a keep hot facility which ensures that hot water is available instantly as and when you need.
  9. The boiler also contains a robust cabinet which protects it from dust.
  10. The boiler features a built-in frost thermostat to protect it from freezing during the colder months of the year.
  11. The boiler controls are concealed in a slide open drawer to prevent children from tampering with it.
  12. The interface enables you to manage the hot water and heating, it also allows you to attach an optional comfort or intelligent control for added comfort and energy savings.

 Disadvantages

  1. Worcester Bosch Greenstar Heatslave II External boiler offers a warranty period of only 2 years. A larger warranty would be preferable.

Features

 A-RATED CONVENTIONAL BOILER     Save Money on your bills

ECO HOT WATER MODE.          Saves energy

INSTALLED OUTSIDE.               Frees up space within your home.

CONTAINED WITHIN A ROBUST GREEN POWDER COATED CABINET.     Protects the boiler from the components, and the colour blends with your garden.

CONCEALED BOILER CONTROLS.   Ideal for families having young children.

KEEP HOT FUNCTION.              Ensures hot water is instantly available.

FROST PROTECTION.             No risk of damage

COMPATIBLE WITH OPTIONAL CONTROLS.    Greater comfort and increased energy efficiency.

ACCEPTS PRE-HEATED HOT WATER FROM RENEWABLE SOURCES.    Lower fuel bills and protects the environment.

2-YEAR PARTS AND LABOUR WARRANTY.   Confidence and peace of mind.

Specifications

  Price.               –  £2,403 and go up to £2,727 including VAT and excluding installation.

Heating output –    18kW  25kW and  32kW

Flow rate.        –   15L/m,  18L/m and 22L/m

Dimensions       –  H – 950 MM

                             W – 640 MM

                             D –  770 MM

Weight.                – 144 kgs

Mounting.             – Floor standing

Fuel.                    – Oil

Efficiency.            -A-rated, 90% and above

Smart                  – compatible

Warranty.            – 2 years

Buying Guide

One of the most popular and well-known brands on the market for over 50 years, Worcester Bosch has a reputation for manufacturing high-quality gas, LPG and oil boilers.

When comparing boilers, you should look out for the output rating, efficiency and warranty of each model. Taking the time to check this information will help you to find a reliable unit that’s capable of heating your home.

Output: As well as a suitable boiler type, an appropriate output rating is also essential. The output rating, measure in kilowatts (kW) shows how powerful the boiler is, giving you an idea of how many radiators it will be capable of heating.

Efficiency: Boiler efficiency shows how much fuel the unit converts into usable energy. Efficiency is recorded as a percentage and by replacing your old boiler with a new efficient boiler could help to lower your energy bills.

Warranty: The brand is quite promising and as stated from the manufacturer that you’ll be covered after the installation of your new boiler in the event of an issue. Most Worcester boilers come with a warranty of 2-5 years as standard but, depending on the model, this can be extended to as long as 10 years.

Price: Worcester Bosch a premium boiler manufacturer with prices at the higher end of the scale. However, they have introduced the Worcester 2000 boilers which gives anyone on a tighter budget the opportunity to have a premium Worcester boiler installed in their home.

What does the Expert have to say?

The Worcester Bosch Greenstar Heatslave II External boiler is an oil boiler making it an ideal choice for medium-sized homes with up to two bathrooms. If you are not part of the mains gas network, or you simply prefer to use oil to fuel your central heating and hot water, then you may go for the Worcester Bosch Greenstar Heatslave External boiler.

The company brands this as the country’s most popular oil combi boiler. This is thanks to a host of innovative and helpful features built into the Worcester Bosch Greenstar Heatslave as standard. Worcester Bosch also holds a strong reputation for quality and reliability.

When installing an oil combi boiler, you also need to fit an oil tank to store fuel. This is an important consideration to make if you are considering replacing a gas boiler, as the tank takes up additional room in or around your property.

Review

Name of the Reviewer– Mr Sheen

Date of Review         – 5th December 2019

Rating                      – 5 out of 5 stars

Feedback.                – My wife and I would like to thank you all for the competence and excellent work carried out at our home, from the estimate and the fitter who plumbed in the new boiler, to the electrician who made our programmer work with the boiler, an excellent team of manpower seldom seen with so-called professionals.

Name of the Reviewer– Moyra Thomas

Date of Review         – 27th August 2020

Rating                      – 5 out of 5 stars

Feedback.                – I am very happy with the service I received. My new boiler has been installed very quickly and hassles free, I would recommend this service.

Name of the Reviewer– Adrian Charlton

Date of Review         – 9th September 2020

Rating                      – 5 out of 5 stars

Feedback.                – Brilliant service from all the team. Thanks. Our old boiler died and from a very reasonable quote to fitting a new one within a couple of days. Excellent advice and workmanship too.

Stories from Real World use cases

Name of the Reviewer– Rebecca Martin

Date of Review         –   6th June 2019

Rating                      – 5 out of 5 stars

Feedback.               – This boiler works amazingly. It’s stylish and good to look and the color also blends with the greenery outside. I am very happy with its service. The reduction in bills is big good news for my husband.

FAQs

1.How efficient is the Greenstar Heatslave II ?

Worcester Bosch Greenstar Heatslave II External has an efficiency rating of 90% and an ERP A-rating for heat, making it a highly efficient boiler that could potentially save you money on your energy bills.

2.Is the output rating suitable for my home?

The output rating of 18 kW makes it best suited to smaller homes with a single bathroom and 10-15 radiators.

3.What options are available?

If you require a boiler that will satisfy your higher demands for heating and hot water then 25 kW and 32 kW combi boilers are also included in the range. Also, Greenstar Heatslave II units are available as a system and regular boilers for either internal or external installation.

4.How long is the warranty?

The Worcester Bosch Greenstar Heatslave II has a 2-year warranty as standard which can be extended to 5 years when Worcester Bosch terms and conditions are met.

5.What are the key features of the Heatslave II combi boiler?

Features of the Greenstar Heatslave II include modern design added with heating controls concealed in a drawer, an eco hot water mode which increases energy efficiency and compact dimensions for space-saving installation.

Did you know?

Here are certain fun facts about boilers :

Boilers are environmentally friendly.

Boilers have high energy efficiency and they can be up to 90% energy efficient. Boilers do not require frequent changing of the air filters since they don’t blow air they work silently without needing a fan

Boilers save money.

Boilers help reduce your energy bills.

Good pressure corresponds to good heating.

Avika water pressure would indicate that there is some problem or a leakage in the water heater.

Boilers don’t add humidity.

Boilers do not affect the dryness or moisture of the air.

Boilers do not boil water.

Boilers got their name because they generate steam.

Conclusion

The Greenstar Heatslave II External boiler can be installed in your garden without the need for separate pumps or tanks so you don’t have to use up any precious space inside your property. If your house has limited rooms then this boiler would be a perfect choice. Since this will be placed outside your home. The colour of the boiler would also compliment your garden area.

The boiler is energy efficient and helps to lower your bills. The appliance comes in different outputs based on your heating demand. There is a thermal store which helps to stop hot water for long periods which will be available instantly at the time of need.

We often spend quite a lot of time and money on our smartphones and other products, why not make a smarter choice while choosing a suitable boiler for our homes.

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