Is the Worcester Bosch Greenstar I System 15i a system, regular or combi boiler?

If you’re looking for a system boiler for your house or flat, you may wish to the consider the Worcester Bosch Greenstar I System 15i.

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.

Is the Worcester Bosch Greenstar I System 15i system boiler suitable for my house or apartment?

Selecting the right boiler for your property means selecting a boiler that is the right size. And, by size, we don't mean how big it is, we mean how powerful it is - the "output".

The output of a boiler is measured in kilowatts. The output level determines the maximum power a boiler can use in heating the water needed for the baths, showers, taps and radiators in your home.

It's important to choose a boiler with an appropriate level of output for your property. Your boiler should be able to cope with periods of peak demand in your property and not just your average usage.

An output rate that is too low will result in an inadequate supply of hot water, while an output that is too high will mean the boiler will cost more to run than is necessary.

The output of the Worcester Bosch Greenstar I System 15i system is 15 kW kilowatts, so which types of property would this be appropriate for?

Most Gas Safe boiler installers would recommend that this Worcester Bosch Greenstar i System 15i System boiler would be suitable for smaller homes and apartments with up to 10 radiators and one bathroom.

The size of the Worcester Bosch Greenstar I System 15i

The dimensions of the Worcester Bosch Greenstar I System 15i are 710 mm tall, 400 mm wide, and 330 mm deep.

Is the Worcester Bosch Greenstar I System 15i a condensing or non-condensing boiler?

We recommend the Worcester Bosch Greenstar I System 15i as it is a modern condensing gas boiler from a trusted manufacturer with a reputation for supplying highly energy-efficient boilers.

Condensing boilers capture the heat still present in water vapour condensation and flue exhaust gases and recycle it back into the heating system. With this extra energy, your boiler can, among other tasks, reheat colder water coming back from your radiators without having to burn more gas.

Condensing boilers significantly reduce your quarterly gas costs and they're better for the environment.

Does the Worcester Bosch Greenstar I System 15i system protect the environment?

How we heat our homes is an issue which many homeowners worry about as the world combats climate change and environmental damage.

About 14% of the greenhouse gases we produce in the UK come from the power needed for central heating. In bigger British cities, gas boilers are a significant source of nitrogen dioxide emissions.

Will you be helping the environment if you decide to install a Worcester Bosch Greenstar I System 15i system in your home? Let’s look at the figures.

By law, boilers manufactured and supplied in the UK must achieve a SEDBUK rating of "A" and work at a 92% minimum efficiency. Before April 2018, a minimum of 88% energy efficiency needed to be achieved (88/89% = SEDBUK "B" and 90% = SEDBUK "A").

Following official testing, the Worcester Bosch Greenstar I System 15i was given an efficiency rating of 94% with a SEDBUK rating of "A".

Energy efficiency is a measure of how much energy is used and how much is wasted when a boiler is operating.

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 15i has a rating of "A".

Am I covered if the Worcester Bosch Greenstar I System 15i system boiler breaks down?

The Worcester Bosch Greenstar I System 15i boiler comes with a parts and labour warranty lasting 7 years.