Frequently Asked Questions

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What is a combi boiler?

Conventional boilers mean you can get hot water from multiple taps at the same time. But the hot water can run out and you’ll have to wait for it to reheat. Where as a Combi boiler you get unlimited heat and hot water whenever you need it. There’s no need for a tank in your loft and they don’t take up much space.

Do I need to bleed my radiators?

Over time it is normal for air to build up in your radiators which can affect their efficiency. When air builds up it will mean some areas of the radiator will be colder than others. You can normally tell if your radiators need bleeding as they will be colder at the top than at the bottom. If this is the other way round (cold at the bottom and hot at the top) this could mean that sludge has built up in your radiator and you might need your system cleaned.

Are carbon monoxide detectors needed?

For the safety of your household, it is advisable to fit a carbon monoxide alarm in each room in your home that has a gas appliance or solid fuel heating.

I'm a landlord can i use your services?

If you’re a landlord you can still use us, just be sure to get directly in touch with the team to discuss your requirements. Contact Us

Can I finance my boiler?

Of course! when using our boiler quote tool at the end you will have the option to look at finance.

How do I know that my condensate pipe is blocked?

There are 2 main indicators that your boilers condensate pipe may be blocked.

1. The boiler may make a gurgling sound when attempting to start.

2. The boiler may repeatedly ‘lock out’ or stop working and the display may show an Error code

What is a thermostatic radiator valve (TRV)?

TRVs allow you to control the temperature of each room individually, thus helping to improve comfort in your home as well as saving money and energy. Most radiators will be fitted with these.

Ideally, TRVs should be well exposed and not obstructed by curtains or blocked by furniture.

Should I have my heating system treated or cleansed?

Check out this fantastic guide from Worcester Bosch.  Click here 

Will I receive anything in writing when I have a new boiler installed?

Will I receive anything in writing when I have a new boiler installed?

Your local authority will be told when you have a new or replacement boiler fitted. Complete Home Energy Solutions ltd will do this for you, and you should receive the following certificate:

You will get a ‘building regulations compliance’ certificate from Gas Safe Register after the work has been completed. Gas Safe Register will also tell the local authority that you have had a new or replacement boiler fitted.

You should keep this certificate as you may need it when you sell your home.

How often should I need to top up the pressure in the heating system?

When the heating system is cool, the pressure should be between 1 and 1.5 bar on the pressure gauge (the indicator needle would usually be in the green section). If pressure is below 0.5 bar (down in the red section), water has been lost from the system and must be replaced. Note: The red part of the dial could also indicate the pressure being too high (about 2.75 bar or more). If the pressure gauge indicates high pressure as a result of over filling, you will need to bleed a radiator until the pressure gauge returns between 1 and 1.5 bar.

If pressure rises by more than 1 bar when the heating is up to temperature then the expansion vessel may require repressurising. This will require a service engineer. The pressure in the system will usually require topping up once or twice a year. If you are having to repressurise your heating system much more frequently, please contact us.

The heating system is constantly losing pressure what should I do?

If you are constantly losing pressure in the heating system you could try the following to establish the cause by:

Checking all visible joints including radiator valves and connections for obvious signs of leakage. There needs to be consideration to potential leaks to any under-floor pipe work.

Check that there is no water being discharged from the pressure relief valve outside (sometimes referred to as an overflow). This pipe usually goes from the boiler through to an outside wall and terminates outside. Check this for signs of dripping. If it is wet, this may mean that the pressure relief valve is faulty.

In either case, if your heating system keeps losing pressure to gain advice or help you should contact us on 0800 599 9890

Not found the answer you were looking for?

Get in touch with our team who are on hand ready to help you with any question you may have about boilers or the services that we offer.

What do our customers think?

A selection of verified customer reviews from Which Trusted Trader

Five Stars

“Fitted new central heating boiler, V. clean, polite, all finished in a day. Clean & tidy, extremely efficient. V. pleased, would recommend (we already have) without hesitation. Value for money.”

- William

Five Stars

“Came to replace our boiler. Worked effectively and professionally whilst being polite. Took the time to ensure I had all the relevant paperwork and that I was happy with the work provided”

- Lucy Scott

Five Stars

“I am really pleased with my new boiler, lovely pair of lads hardworking and very approachable nothing too much trouble. would highly recommend.”

- Joyce & Clem Davies