iHeat Boiler Prices & Reviews  2025

Who is iHeat?

Founded in October 2019, iHeat is a UK-based boiler installer dedicated to making boiler replacements easy, transparent, and more affordable. This installer provides top quality boiler installations to customers across the country.

Offering fixed-price installation deals, quality boilers from leading brands, and up to 10 years’ warranty, iHeat is surely a boiler installer that you can trust.

iHeat Reviews

iHeat have a selection of commendable reviews on Trustpilot for their heating products and services. They currently have an “Excellent” 4.8 out of 5 rating on Trustpilot, with 5,344 reviews in total.



iHeat Trustpilot Reviews

Their Trustpilot score is made up of 92% 5-star ratings, 5% 4-stars, and just 1% of 1-star ratings.

iHeat’s excellent customer reviews underline their commitment to delivering high-quality heating services to all customers. iHeat are right at the top of the tree in terms of the percentage of 5-star reviews beating Warmzilla, Clever Energy Boilers and Boiler Central, equal with Heatable and only beaten by BOXT.

correct and accurate as of 11-01-2025

Which type of boilers do iHeat install?

Whether you’re looking for a large system boiler or a compact combi boiler, iHeat can provide you with the ideal solution for your needs. This brand installs a range of different regular, combi and system boilers from leading brands such as Worcester Bosch, Viessmann and Alpha. They install gas and LPG heating systems; however, they do not offer oil boiler installations.

Do you currently have an old back boiler fitted in your property? If so, iHeat could provide you with a professional back boiler replacement; providing you with a more modern and efficient combi, system, or regular boiler.

iHeat boilers

You can get a boiler installed with iHeat by using their free, online quote service. The quote process will involve you answering a series of quick and easy questions about your home and central heating requirements to obtain a Fixed Price Quote. Next Day installation is often available, which is very handy if you need a new boiler in a hurry and they offer a Price Match Guarantee, so you can feel secure you are getting a good price.

iHeat boiler quote

iHeat offer an online boiler quote. Questions include:

·      The type of fuel your heating is powered by

·      The type of boiler system you currently have

·      Whether your current system is working & how old it is

·      Whether you want to move your new boiler to a different location

·      The number of bedrooms, bathrooms and showers you have

All of these questions will help the iHeat tool to determine the type of heating system you require, allowing them to identify the best boilers available on the market to suit your needs.

iHeat boiler installation review

The tool will then ask you for your postcode in order to confirm that an installation can be conducted at your property. Once entered, the tool will reveal a choice of suitable boiler systems and their prices. The quote will list the boilers’ top features and warranty periods; it will also highlight the potential finance plans on offer to help you pay for the boiler. Often iHeat offer deals and complementary items with their installations. For example, you could receive a free Hive Mini thermostat with your order.

Once you’ve selected a suitable new boiler for your home, you can then go on to choose a suitable installation date. iHeat will aim to provide you with an installation on a suitable date for you. The service will inform you of how long your installation is likely to take; it will also let you know when your Gas Safe registered installer will arrive on the installation date. In most cases, iHeat installers will arrive between 7:30 - 9:30am.



How do you get a boiler from iHeat?

The quote will also summarise everything that you will receive with your new boiler installation, this typically includes a free boiler filter and a free flue kit. In the next step, you will be offered a choice of add-ons for your installation, such as a smart thermostat, limescale remover, TRVs (thermostatic radiator valves) and a CO2 alarm.

Once you’ve selected your add-ons (or you can choose to move on without them), you will be asked to finalise your order with your name, contact details and a confirmation of address. Arranging payment is the next step – you can choose to pay the balance in full on your card, or you can select a suitable finance plan to spread the cost of your new boiler.

Once all of your choices have been finalised, the installer will contact you to confirm your installation. 

iHeat boiler finance options and deals

The good news is there are various ways to pay for your new boiler from iHeat.

iHeat Boiler Prices

iHeat aim to provide homeowners with affordable deals for their new boiler installations. This installer can fit a combi, regular or system boiler into your property without causing you to break the bank.

Looking for a combi boiler swap installation? If so, you can expect to pay £1,695 - £2,690 with iHeat. In need of a new regular boiler? iHeat will typically charge you around £2,090 - £2,245 for a regular boiler installation. For a system boiler swap, you could be looking at paying around £1,941 - £2,065 with iHeat.

If you currently have a back boiler installed, iHeat’s trained engineers could replace this old system with a modern and efficient combi boiler for approximately £2,795 - £3,980. Or, if you’d like to swap your conventional boiler for a combi, you’re looking at paying around £2,445 - £3,545.

iHeat install a range of premium and energy-efficient combi boilers in a variety of sizes to suit different households’ needs. The. Installer fits boiler systems from leading brands such as Worcester Bosch, Viessmann and Alpha.

The boiler system required for your home will depend on a number of factors, including the number of radiators you have. Here’s more detail below:

iHeat will aim to offer you the most suitable combi boiler for your property at the best price.

iHeat also fit a variety of system boilers into households across the country. Like combi boilers, the best system boiler for your home will depend on factors such as the number of radiators you have.

iHeat will aim to provide you with the best price for your new system boiler installation. 

Published instalation prices (system swap, same location, horizontal flue), correct and accurate as of 13-01-2023

iHeat install high-quality conventional boilers, also known as heat-only systems. The brand aims to ensure that all of their conventional boilers are professionally installed and affordably priced.

In order to determine the best conventional boiler for your needs, you’ll again need to consider the number of radiators in your home. Please see further detail below.

Do you have an old back boiler installed at your property? If so, you could benefit from replacing this system with a new, modern and highly energy-efficient combi boiler.

Combi boilers are compact, efficient and simple-to-use – making heating your home much more convenient. iHeat’s engineers are skilled in replacing back boilers with combi boiler systems. They could conduct your back boiler replacement at an affordable price.

Typically, a back boiler replacement with iHeat can cost between £3,045 - £4,785, depending on the size and brand of the boiler selected. Please note, back boiler replacements will cost more than standard boiler swaps due to the additional labour required to remove the back boiler, as well as the additional pipework and consumables needed to move the combi boiler to a suitable location.

If you want to replace your conventional boiler system with a brand-new combi boiler, iHeat’s experienced engineers can perform this installation for you at an affordable price.

Like back boiler replacements, a conventional boiler to combi swap will be more expensive than a straight-forward like-for-like boiler swap as additional labour is required for this job. This installation will require the removal of the water cylinder and tank, as well as additional pipework and consumables in order to move the combi boiler to a suitable area.

To find out how much it could cost to get a new boiler installed with iHeat, try our free online quote tool today.

If you are looking to move the location of your boiler when you replace it then there will be additional costs due to the extra work and materials needed to do so. Luckily we have an iHeat boiler cost calculator which breaks down and makes clear the additional cost.

iHeat are a reputable company with very good reviews, both in terms of volume and trustscore. Which is a very good indicator of high levels of customer satisfaction. iHeat are also an online only boiler sales business which means they can pass on the savings of not having a sales team through to customers with more competitive pricing - so you should be able to get a good deal on your new boiler.

The golden rule though is as with any big ticket items it is best to get a few quotes or run a comparison to make sure you are getting the new boiler that is right for you and at the right cost.

FAQs iHeat

Do iHeat have good reviews?

iHeat have over 5 thousand Trustpilot reviews and a trustscore of 4.8 out of 5, rated excellent. 92% of all their reviews are 5-star and only 1% 1-star showing consistency of satisifed customers from a large scale of installations.

How much is a new boiler from iHeat?

iHeat boiler installations start from as little as £1,695 for their cheapest combi boiler and scale according to requirements.

Do iHeat offer boiler finance packages?

Yes, iHeat currently have two different pay monthly finance offers available: a 0% APR over two years and a 13.9% APR over 8 years, both of which have no deposit options and are of course subject to status.