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Our Services

Our Services
From Boiler Installation to Power Flushing, we can do it all and always at a competitive price.
A warm welcome to The Boiler Installation Specialists Ltd. We are a central heating and boiler installation specialists firm covering South East of England, installing central heating systems and boiler installations up to 7 days a week.

We are proud to say that we are one of the most highly recommended installation firms in South East of England.

Our team of engineers have worked solidly within the industry for over 20 years installing boilers and central heating systems and have extensive range of experience and knowledge to call upon. Our installation engineers are all highly trained in house and we supply UK largest energy providers on continuous basis our main elite central heating installers to carry out exceptional installation work for them.

We offer modern high efficiency central heating installations from initial design to completion, whether it is a straight swap install or a complete system re-design and installation. We are a accredited installations firm with a wide range of leading manufacturers which puts us in a position to offer OUR customers extended guarantees free of charge.

Our aim is to provide you with the highest standard of work by highly trained gas safe registered engineers.

We always offer FREE quotations & a Fixed Price
We always offer free quotations and we only send qualified engineers for quotes as sales men are not qualified gas safe engineers and having customers trust in our hands we always want to base quotes on our expertise, knowledge and competitive prices.

Your quotation is always a fixed price meaning if we come across any problems during the installation we will still only charge you the agreed price stated at start of installation giving all our customers piece of mind. 

If you have any questions or would like to enquire about any of our services please do not hesitate to call us on 0345 262 49 89.
Boiler Installation
Quality Boiler Installation throughout Essex and Hertfordshire
The type of boiler you choose is dependent on the size of your property and how many bathrooms/shower rooms you have. Combi boilers provide heating and hot water directly from the boiler. Conventional and system boilers heat your central heating system and produce hot water for your cylinder. Below are a few things you might want to consider when choosing your system:
You want to use your loft space for a room conversion or other purpose
You live in a flat or bungalow (i.e have very little or no roof space)
Your home has more than 2 bathrooms
Your main water pressure is low
You want to replace an old boiler to improve an existing conventional central heating system
There is a need to have hot water available on tap without waiting for it to heat up
Once you have decided on your system here are a few combi boilers we suggest. The table below is an approximate guide, we have many other boiler makes and models available. For system / conventional boilers please contact us for further advice on the right system for you. Prices for supplying and installing your new combi boiler can start from as little as £1,175.00.
Make and Serie
Glow-worm Flexicom
Baxi Platinum
Valiant EcoTec Pro
Valiant EcoTec Plus
Worcester Junior
Worcester Greenstar
Potterton Gold
1-2 Bed
24 / 28
824 / 831
24i / 28i
24 HE
25 HE
2-3 Bed
30cdi / 37cdi
28 HE
29 HE
3-4 Bed / 5+ Bed
33HE / 40HE
831 / 837 / 937
35 HE
How much could you save?
Old Boiler Rating
G (< 70%)
F (< 70-74%)
E (< 74-78%)
D (< 78-82%)
Annual Saving
Carbon Dioxide Saving per Year
Condensing Boilers and Building Regulations
Since 2005 Building Regulations have required all that newly installed domestic central heating boilers are ‘A’ Rated (on a scale of A to G) for energy efficiency. This means that they need to be at least 90% efficient at converting the type of energy they use (gas, oil or LPG) into heat energy. Condensing boilers, because of the way they operate, by re-using heat that would otherwise be lost are the only type of central heating boilers available which can meet this efficiency level.
In addition, compared to traditional central heating boilers condensing boilers also have lower emissions of potentially harmful gases. Here's a quick explanation on the different types of systems available.
Conventional Condensing (open vent boiler) Systems

Conventional Condensing (open vent boiler) systems are normally connected to two tanks in the loft. A small ‘feed and expansion tank’ supplies water to the boiler and the radiators. A larger domestic cold water storage tank provides the cold water feed to an open vent hot water cylinder.
Conventional Condensing System

Conventional Condensing System boilers are often referred to as sealed system boilers because the system is filled to approximately 1 bar pressure and sealed. They are connected to a hot water storage cylinder, usually installed in an airing cupboard. This type of boiler does not need an expansion tank in the roof.
Combi Condensing Boilers

Combi Condensing boilers provide heating and hot water directly from the boiler. They heat water on demand and do not require hot water cylinders or cold storage tanks.
Central Heating
Quality Central Heating services throughout Essex and Hertfordshire
We offer installations of all kinds of modern heating systems, providing a complete service from initial design ideas through to the finished job. Our experienced team will carry out a free survey and estimate and offer you advice on the best system for your property space. Once agreed, our team bring in the required products and carry out a complete installation to the highest standard including disposal of all waste and committed to leave your property in pristine condition.

Our experienced staff are qualified for installations of all sizes and various requirements. We offer a complete full house heating installation service through to a full upgrade service. We will establish your requirements and build an installation plan individual to your exclusive requirements. We will deal with all your concerns and detail openly our pricing structure giving you the ability to choose the correct option. However, if you have decided on a particular boiler which you have sourced yourself, we can also provide a quote for installation only. We are qualified to undertake all domestic installations and vast majority of commercial installations.
Energy Efficiency at Its Best
We know just how important it is for a boiler installation to provide you with the best possible energy efficiency. As well as offering you advice on the new boiler to choose, providing you with the best possible planning service, an exclusive customer service reputation and outstanding installations we will act with genuine courtesy when we work in your home. Reducing your fuel bills is something that all of our customers have expressed to us. In the current climate, an old or poorly functioning boiler can mean you are paying above average for your energy bills. By helping you to select an energy efficient boiler, and having us conduct power flushing and diagnostics on radiators and pipes, we can help you to save money in the long term.

Not only is our expert boiler installation service affordable, it’s a long term investment and The Boiler Installation Specialists can offer you 7 years boiler warranty for your complete piece of mind.
Power Flushing
Quality Power Flushing services throughout Essex and Hertfordshire
Over time corrosion deposits from radiators and lime scale can collect in your heating system which will reduce fuel efficiency by up to 30%. Controls like pumps and motorized valves will get clogged up and fail, leading to costly breakdown repairs. To prevent this from happening your heating system should have the correct amount of inhibiter added, this should be regularly checked. We recommend using Fernox inhibiters and cleaners.

Corrosion in a heating system can be rapidly increased when there is a leak or incorrect pipework. These problems will allow fresh water and oxygen into the heating system which creates high levels of corrosion and if they are not resolved as soon as possible, radiators and even boilers will start to leak.

When a new boiler is installed it is essential that the system is cleaned because the heat exchangers in new boilers are a lot smaller and will be damaged by sediment from radiators. It is also a requirement of building regulations and conditions of the new boiler’s warranty that heating systems need to be flushed out in accordance to BS7593.

Even in new systems, flux and solder residues will be present and need to be removed, as these can cause damage to the system.

To ensure your system is working to its maximum efficiency corrosion deposits, residues and lime scale need to be removed. Power Flushing is the fastest, most effective way to do this.

Power Flushing is a long process as the boiler, hot water cylinder and radiators are individually cleaned until the water running through them is clean. To improve the process we also agitate the sediment by quickly altering the direction of the water flowing through the system and user a rubber mallet or magnetic roller on the radiators.
Power Flushing will:

✓ Improve radiator performance and heat output
✓ Extend the life of the boiler
✓ Reduce costly repairs, breakdowns and call-out charges
✓ Validate new boiler warranty’s
✓ Reduce fuel bills and save fuel wastage

When power flushing a system, radiator valves have to be turned on and off. It is therefore essential that they work properly and without leaking. An inspection before power flushing would normally be necessary to ensure you have good quality, working valves. If new valves are required we will advise you with the additional cost.

As power flushing only increases the water flow (not pressure), there is no damage to a heating system. Possible problems would occur from a poorly installed system or failure of components.
Our Certificates / Partners

** Boiler guarantee’s are subject to annual service by a Gas Safe registered engineer.
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