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Worcester Bosch Greenstar I System 27i boiler

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Plumbproud rating

91.58%

Worcester Bosch Greenstar i System 27i System Gas boiler

On the PlumbProud quality scoring system, we rate this Worcester Bosch Greenstar i System 27i System boiler 91.58%. To determine our rating, we take lots of different factors into consideration from price installed to manufacturer guarantees, energy efficiency, likely cost of running, and more.

Fitted by an experienced Gas Safe PlumbProud engineer, the cost for this Worcester Bosch Greenstar i System 27i System boiler will be in the region of £2,100 on a standard, non-complicated installation.

Get a free quote on the Worcester Bosch Greenstar I System 27i boiler and advice on whether this is the right choice for your home by entering your postcode in the quote box on this page, clicking here to email us, or giving us a call at 01604 343053.


Installed price around

£2,100

GET A COMPETITIVE BOILER QUOTE

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Worcester Bosch Greenstar i System 27i System Gas boiler frequently asked questions

What kind of boiler is the Worcester Bosch Greenstar I System 27i - standard, combi or system?

If you want a system boiler for your flat or house, the Worcester Bosch Greenstar I System 27i might be an option for you to consider.

System boilers share many similarities with more traditional heat only boilers, like the need to program the times you want them to provide you with heat and hot water - just use the control panel to do this.

Where they differ from regular boilers is that they do not require a separate cold-water tank - everything is done within the hot water cylinder, which contains built-in circulating pumps. This makes them easier to install as there is one less component to fit and makes them more suitable for properties with no loft space, smaller lofts or for homeowners who are considering converting their loft.

As long as you have programmed your system boiler in advance, you will have the hot water you need ready for whenever you want to use it. Once the water is heated, it will remain available, warm, inside the tank until it’s all used up. It will then draw more water from the mains to start heating so that it can provide heat and hot water for the times you've told the system boiler you need it.

Should I install a Worcester Bosch Greenstar I System 27i system boiler in my house or apartment?

It's best to choose a boiler whose size or "output" is right for your home.

The more hot water and heat you want, the higher the output level of your boiler should be. Output is measured in kilowatts and it describes the maximum level of power your boiler has to heat water.

If your output level is too low, your boiler will not have the power it needs to get your water as hot as you want it, particularly when there's a lot of demand for it. Choose a boiler whose output level is too high and you'll have all the hot water you need but will be paying too much for it through higher gas bills.

Which types of property would this Worcester Bosch Greenstar i System 27i System boiler be appropriate for given its output of 27 kW?

To most experienced Gas Safe boiler installers, the Worcester Bosch Greenstar I System 27i system Greenstar I System would be most suitable for larger properties including detached homes with 15 or more radiators and two or more bathrooms.


The size of the Worcester Bosch Greenstar I System 27i in millimetres

The Worcester Bosch Greenstar I System 27i's dimensions are 690 mm [H] x 390 mm [W] x 280 mm [D].

Is this Worcester Bosch boiler non-condensing or condensing?

Condensing gas boilers like the Worcester Bosch Greenstar I System 27i are environmentally friendlier and cheaper to run so, if possible, we strongly recommend that you choose this or one of the very latest models.

Condensing boilers are much more efficient and economical to run because they contain a secondary heat exchanger that captures and recycles the warmth still present in the flue exhaust gases and the water vapour condensation for re-use, meaning that they use less gas to run.

Is the Worcester Bosch Greenstar I System 27i system environmentally friendly?

With more and more people concerned about climate change, how we heat our homes and the damage it does to the environment is increasingly being questioned by British homeowners.

We generate 14% of UK greenhouse gas emissions through centrally heating our domestic properties. Gas boilers are mainly responsible for harmful nitrogen dioxide emissions in larger British cities.

Would choosing the Worcester Bosch Greenstar I System 27i system help the environment? Let's see what the statistics suggest.

All new British boilers must perform to a legal minimum energy efficiency of 92% (a low to good SEDBUK "A" rating). Prior to April 2018, the target was 88% (86-90% = SEDBUK "B" and 90%+ = SEDBUK "A").

Efficiency ratings are intended to let consumers know how much energy a boiler uses in its day-to-day activities and how much energy goes to waste.

The Worcester Bosch Greenstar I System 27i was awarded an efficiency rating of 92%, equivalent to a SEDBUK grade of "A".

The Energy Related Products Directive grades products according to the energy they consume and the harmful gas emissions they create, from manufacturing right through to final disposal, including how they're used by customers between these two points.

The Worcester Bosch Greenstar I System 27i is rated "A".

Am I covered if my Worcester Bosch Greenstar I System 27i system boiler breaks down?

The Worcester Bosch Greenstar I System 27i is supplied with a parts and labour warranty of 7 years.


Worcester Bosch Greenstar i System 27i Gas System boiler specifications

Powered by GasGas
LocationExternal
Condensing?Yes
Efficiency rating92%
Band ratingA
LPG Compatible?Yes
P/L Warranty7 Years
Output in kW27 kW
Height690 mm
Width390 mm
Depth280 mm
MountingWall
ERP HeatA

The top 10 rated Gas System boilers

Using the Plumbproud scoring system, the current 10 ten Gas System boilers assessed using a number of important variables are as follows:

1Vaillant ecoTEC Plus 61295.72%
2Vaillant ecoTEC Plus 61595.20%
3Vaillant ecoTEC Plus 61894.37%
4Vaillant ecoTEC Plus 62493.33%
5Worcester Bosch Greenstar i System 9i92.89%
6Vaillant ecoTEC Plus 63092.75%
7Worcester Bosch Greenstar 4000 12kW92.50%
8Vaillant ecoTEC Exclusive IQ 62792.42%
9Vaillant ecoFIT Pure 61292.38%
10Vaillant ecoFIT Pure 61592.36%

Combi boilers

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Heat only boilers

The ideal boiler perfect for the largest homes

System boilers

Ideal for 3+ bedroom, 2+ bathroom homes

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Worcester Bosch Greenstar I System 27i boiler

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Worcester Bosch Greenstar i System 27i System Gas boiler

  1. Home
  2. Worcester Bosch Greenstar i System 27i
Plumbproud rating for this boiler
91.58%

Considering lots of different factors such as price installed, manufacturer guarantees, energy efficiency, and the likely running cost, we’ve given this Worcester Bosch Greenstar i System 27i System boiler a rating of 91.58% using our PlumbProud quality scoring system.

This Worcester Bosch Greenstar i System 27i System boiler is likely to cost around £2,100 fully installed by PlumbProud if there are no unexpected complications during the fit.

If you would like to get in touch with us for a free quote and professional guidance and advice on whether the Worcester Bosch Greenstar I System 27i is the right choice for your home, you can do so by entering your postcode in the quote boxes on this page, calling us on 01604 343053 or you can click here to email us.


Installed price guideline
£2,100

Get your free quote

Worcester Bosch Greenstar i System 27i Gas System boiler specifications

Powered by GasGas
LocationExternal
Condensing?Yes
Efficiency rating92%
Band ratingA
LPG Compatible?Yes
P/L Warranty7 Years
Output in kW27 kW
Height690 mm
Width390 mm
Depth280 mm
MountingWall
ERP HeatA

Worcester Bosch Greenstar i System 27i System Gas boiler frequently asked questions

What kind of boiler is the Worcester Bosch Greenstar I System 27i - standard, combi or system?

If you want a system boiler for your flat or house, the Worcester Bosch Greenstar I System 27i might be an option for you to consider.

System boilers, like regular boilers, require a hot water cylinder (usually placed in a landing or airing cupboard) to work but they don’t require a separate cold water tank. This makes installation quicker and easier and, for homeowners with little loft space or who are considering a loft conversion, they're a more suitable choice.

System boilers don't need separate water tanks because they contain built-in circulating pumps that perform the same task. Just like heat only boilers, they require you to program in the times when you want heating and hot water to be available - they don't offer instant hot water like combi boilers. The cylinders keep whatever water they contain warm, although, if there is no hot water in the tank, you will have to wait up to an hour before hot water will come through your taps.

Would the Worcester Bosch Greenstar I System 27i system be a suitable boiler for my house or flat?

To determine that, we need to consider the size of the boiler. Size doesn't mean how big the boiler is - it means how big its "output" is.

This Worcester Bosch Greenstar i System 27i System boiler gets its power from gas and the power it's capable of producing is measured in kilowatts - the output rate is actually a kilowatt rate. The higher the output rate, the more kilowatts a boiler can use when heating water.

If you choose a boiler whose output rate is too low, it may not have enough power to make your water as hot as you would like. If you choose a boiler whose output rate is too high, you won't have to put up with lukewarm water but you will face higher gas bills.

The Worcester Bosch Greenstar I System 27i system boiler has an output level of 27 kW, so which types of property would it be appropriate for?

Most heating engineers would recommend that this Worcester Bosch Greenstar i System 27i System boiler would be suitable for larger properties including detached homes with 15 or more radiators and two or more bathrooms.


The size of the Worcester Bosch Greenstar I System 27i in millimetres

The Worcester Bosch Greenstar I System 27i is 690 mm high by 390 mm wide by 280 mm deep.

Greenstar I System 27i – condensing or non-condensing?

We recommend that you select a condensing boiler like the Worcester Bosch Greenstar I System gas Worcester Bosch Greenstar I System 27i for your home if possible because of the environmental benefits and the money you'll save on your gas bills.

Condensing boilers are much more energy-efficient than older, non-condensing models as they capture and recycle the heat still present in the water vapour condensation and flue exhaust gases that your boiler creates when burning gas for reuse.

Does the Worcester Bosch Greenstar I System 27i system protect the environment?

The effects of climate change on the environment are leading many homeowners to question the damage they might be doing by the way they heat their homes.

As much as 14% of the UK’s greenhouse gas production derives from our domestic central heating systems. Gas boilers are responsible for dangerous levels of nitrogen dioxide emissions in Britain's largest cities.

Is the Worcester Bosch Greenstar I System 27i system boiler an environmentally friendly choice for your home? Here’s what the figures say.

Boilers manufactured and installed in the UK are assigned energy efficiency ratings following testing to an agreed set of standards. These scores indicate how much energy the boiler uses and how much goes to waste when it's in operation.

By law, boilers must achieve a SEDBUK rating of "A" subject to achieving a minimum of 92% energy efficiency. Prior to April 2018, the minimum was 88% (88% and 89% on the SEDBUK are graded "B" and 90% and above is graded "A").

The Worcester Bosch Greenstar I System 27i was awarded an efficiency rating of 92% with a SEDBUK band rating of "A".

The Energy Related Products Directive, also known as ERP, is European legislation that intends to reduce energy consumption related to products right from their initial manufacturing process through to eventual final disposal.

The purpose of the directive is to encourage manufacturers to create new products that are kinder to the environment and which result in lower overall harmful gas emissions through a product's entire life cycle.

The Worcester Bosch Greenstar I System 27i has a rating of "A".

Is this Worcester Bosch Greenstar I System 27i system covered by a warranty?

The manufacturer offers a parts and labour warranty of 7 years on the Worcester Bosch Greenstar I System 27i boiler to new customers.


The top 10 rated Gas System boilers

Using the Plumbproud scoring system, the current 10 ten Gas System boilers assessed using a number of important variables are as follows:

1Vaillant ecoTEC Plus 61295.72%
2Vaillant ecoTEC Plus 61595.20%
3Vaillant ecoTEC Plus 61894.37%
4Vaillant ecoTEC Plus 62493.33%
5Worcester Bosch Greenstar i System 9i92.89%
6Vaillant ecoTEC Plus 63092.75%
7Worcester Bosch Greenstar 4000 12kW92.50%
8Vaillant ecoTEC Exclusive IQ 62792.42%
9Vaillant ecoFIT Pure 61292.38%
10Vaillant ecoFIT Pure 61592.36%
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