What kind of fuel does your boiler use?

Gas boiler uses mains natural gas supplied to your home.
Gas boiler uses mains natural gas supplied to your home.

Liquefied Petroleum Gas is a gas supply stored safely in an external tank outside your home, rather than coming through a main underground gas grid.
Liquefied Petroleum Gas is a gas supply stored safely in an external tank outside your home, rather than coming through a main underground gas grid.

Oil boiler uses heating oil stored in an external tank.
Oil boiler uses heating oil stored in an external tank.
What type of boiler do you have?
If you do not have a hot water cylinder and tanks in your attic then it is likely you have a combi.
If you do not have a hot water cylinder and tanks in your attic then it is likely you have a combi.
A system boiler has a separate hot water storage cylinder but doesn’t require a cold water storage tank.
A system boiler has a separate hot water storage cylinder but doesn’t require a cold water storage tank.
Regular boilers have a hot water tank (usually in an airing cupboard) and a cold water tank (usually in the loft).
Regular boilers have a hot water tank (usually in an airing cupboard) and a cold water tank (usually in the loft).

Back boilers (BBU) are built behind a fireplace, they are no longer fitted because they are inefficient.
Back boilers (BBU) are built behind a fireplace, they are no longer fitted because they are inefficient.
How many bathtubs and separate shower units does your home have?

When counting showers please don’t count electric showers or showers over baths, just showers plumbed into your mains water supply.
When counting showers please don’t count electric showers or showers over baths, just showers plumbed into your mains water supply.

When counting showers please don’t count electric showers or showers over baths, just showers plumbed into your mains water supply.
When counting showers please don’t count electric showers or showers over baths, just showers plumbed into your mains water supply.

When counting showers please don’t count electric showers or showers over baths, just showers plumbed into your mains water supply.
When counting showers please don’t count electric showers or showers over baths, just showers plumbed into your mains water supply.

When counting showers please don’t count electric showers or showers over baths, just showers plumbed into your mains water supply.
When counting showers please don’t count electric showers or showers over baths, just showers plumbed into your mains water supply.
Where does your flue come out?

This will look like an exhaust pipe leaving your wall. Relocating your boiler may mean a different flue exit, please choose the new exit if applicable.
This will look like an exhaust pipe leaving your wall. Relocating your boiler may mean a different flue exit, please choose the new exit if applicable.

This will look like an exhaust pipe leaving your roof. Relocating your boiler may mean a different flue exit, please choose the new exit if applicable.
This will look like an exhaust pipe leaving your roof. Relocating your boiler may mean a different flue exit, please choose the new exit if applicable.
Is your flue 30cm or more from an openable window, door or vent?

If the window is shut permanently, then answer yes. Air bricks, extractor vents and any type of ventilation opening are considered a vent.
If the window is shut permanently, then answer yes. Air bricks, extractor vents and any type of ventilation opening are considered a vent.
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Sorry - We’ll need to review this with you directly
Please get in touch with us to discuss your installation with one of our team using our website live chat or you can leave us an enquiry form on our contact us page.
We won’t be able to complete your installation as you have specified in your survey answers that you live on or above the 2nd floor with a vertical flue. Scaffolding may be required to complete your installation.
If it takes longer than ten seconds to fill up a pint glass then you have low water pressure coming into the property. In this case changing from a system boiler to a combi boiler would not be suitable.
Back boilers are no longer fitted in the U.K due to them not being energy-efficient. Back boilers are usually around 70% energy-efficient compared to 90% and over for modern boilers.
Unfortunately we won’t be able to complete this installation as your EV charger and wiring leading up to it must be located on property you own and not public property.
Unfortunately we will not be able to complete your installation
Our online calculator currently supports multi-room systems with up to 5 indoor units.
If your property requires 6 or more units, this usually involves a more tailored, commercial-style design. We’d love to help you get this right – just get in touch with our technical team to talk through your requirements.
Our standard online installation service currently covers indoor units on the ground and first floor.
If you’re looking to install units in a basement or on the second floor (or higher), we’ll need to review this with you to make sure everything is designed safely and correctly.
Our team is here to help – just get in touch and we’ll provide a tailored quote:
Manufacturer guidelines generally require a minimum of 1 metre of clearance for optimal airflow and warranty protection.
If your site has restricted space, we may still be able to help with an alternative layout or a specific compact unit.
Our team is here to help – just get in touch and we’ll provide a tailored quote:
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