Any Frequently Asked Questions for Boiler

Combi Boilers

Combination boilers (combi boilers) provide both heating and hot water but do not use a hot water storage tank. They are perfect for 1-2-bedroom flats, 3–4-bedroom homes and spaces without a lot of room for a larger system but also need a good flow rate of cold water to operate properly since they have no storage tank.

Combi boilers are a substantial option for smaller spaces. A good combi boiler can provide the same benefits as a system boiler with far less space needed, and most combi boilers are also very efficient. A combi boiler will be weaker but also consume less power. They can instantly heat the water you need you will not have to wait around for that hot, sultry shower.

Typically, not suitable for larger properties with multiple bathrooms/or a high hot water demand.  

May not be suitable for areas that suffer from low mains water pressure.

 

System Boilers

System boilers are part of your central heating system and the water storage system, they take water directly from the mains instead of a feed tank in loft. They are very resourceful as they are able to heat up several rooms and operate multiple bathrooms without dropping the temperature of heating systems.

A system boiler can be a good option among all regular boilers, acting like a larger combi boiler. If you want to stick to regular boilers and avoid complex features that you will not ever use, a system boiler can be a great choice.

The downside is their size - they need a large hot water storage tank. If this tank is drained due to high water usage over a long period of time, it can take a little while for the system boiler to refill it. The high-pressure nature of this system means that it may not be suitable for properties with older systems. 

System boilers need a hot water storage cylinder and so if you are swapping it for a combi boiler, you will need to find adequate storage space. 

 

Heat Only (Regular Boilers)

A heat-only or regular boiler has three main components – the boiler itself, a separate hot water storage cylinder and cold-water storage tank.

The boiler supplies hot water to both the central heating and storage cylinder, so can provide both hot water and heating water. As they do not require water to be supplied at high pressure via the mains, they are a good option for older heating systems that may not tolerate the high pressure of a closed system. 

Coldwater is supplied to the boiler via a cold-water tank (typically located in the attic/loft), which fills the boiler with the help of gravity.  Since they require a cistern tank, they demand more space and limit boiler installation options. A cistern in the attic is prone to freezing during winter and if it leaks can be problematic.

You can take a look at our average boiler prices here, but you will need to have a survey first before installation. This is best practice for any central heating installation as your property is unique – and so is the replacement of your boiler. We wouldn’t want to quote over the phone for an unseen property as this is misleading.

You may find upon survey that some additional work is required – such as movement of a flue in order to comply with the latest building regulations or running of condensing pipe as some old boilers are non-condensing. While this may feel like an inconvenience, this work would be required by any boiler replacement engineer to remain compliant, safe and validate manufactures guarantee/ warranty.

Our engineer will arrive with your boiler and all the necessary parts. They usually arrive between 8-11am.
Our Gas Safe engineers will carry out the work to the highest possible level, making sure they protect any areas in which they work and cleaning up any areas in which they have worked.

A like-for-like boiler replacement would on most occasions take 1-2 days. However, if you are moving home, or you require an upgrade, or you need new radiators, the installation may take longer. If we converting from conventional system to combi, it may take 2-3 days. For full new system it may take 3-4 days.

Yes, we will! Once your new or replacement boiler has been safely fitted, the engineer will take you through how it works and provide you with a complete handover pack, including manufacturer’s instructions.

It’s Important to arrange for annual servicing in order to maintain the manufacturers guarantee/warranty but to ensure your own safety.

To service your boiler, you can use any gas safe engineer or we can service the boiler for you. If you would like a boiler service, please contact us.

typical boiler’s lifetime is expected to be 15-20 years. However, things vary, and your boiler may last longer if well maintained, less if it is ignored. Once repairs are needed more frequently, or if they become increasingly expensive, then a replacement boiler may save you money in the long run. An added benefit is that new boilers are almost guaranteed to be much more efficient than older systems.

If you can smell gas or think you have a gas leak you need to act quickly. 

Call the National Gas Emergency Cadent free of charge, 24 hours a day:

For England, Scotland and Wales - call 0800 111 999

For Northern Ireland - call 0800 002 001

For Republic of Ireland – call 1800 20 50 50 

Open doors and windows to ventilate the area

Turn off gas at meter (unless the meter is in a cellar or basement) or at the tank if you have LPG

Don't smoke or use electric switches or naked flames

If you're feeling unwell, visit your GP or hospital immediately and let them know you may have been exposed to carbon monoxide. 

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Smart Heating Hub Ltd is registered in England and Wales No 12563986. Trading address is 60 Sannders Crescent, Tipton, England, DY4 7NU.SMART HEATING HUB LTD is an appointed representative of Koze Group Limited which is authorised and regulated by the Financial Conduct Authority FRN811281. Koze Group Ltd acts as a principal for a network of appointed representatives. Koze is a credit broker and not a lender. SMART HEATING HUB LTD (FRN981288) acts as a credit broker and not a lender. We offer finance products from a panel of lenders. Credit is subject to age and status.

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*Price may vary if additional pipework or any upgrade required to meet the current regulations

**Please note the monthly payments is an indicative cost and actual monthly payments may vary