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Boiler installations,
made easy.

Get a fixed quote in seconds,
no hidden costs, 0% APR finance.

Next day installation

Next day install

Boilers fitted fast

Fixed price

Fixed price

No hidden costs

New boiler

New boiler

Fitted as fast as next day

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Solar and battery storage package

Solar & battery

Goodbye high energy bills

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Air conditioning

Air conditioning

Starting from just £1,495

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£7,500 grant
Heat pump

Heat pump

Starting from just £1,495

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Which? Trusted Trader logo

Which? Trusted Trader

Approved for 2 years

Working with the best

Recognised by the biggest names in home services.

Uswitch
MoneySuperMarket
Google
Worcester
FGAS
Gas Safe
Glow-worm
Ideal
Vaillant
FCA
Viessmann

A clear, simple process

We help homeowners access fast, reliable home-energy solutions.

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1

Get a fixed price

Answer a few quick questions about your home and current boiler.

No signup needed

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2

Pick a package

Choose from a range of top-rated boilers that fit your home and budget.

0% APR finance available

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3

Choose install date

Pick your date, we can install as soon as next day (order before 3 pm).

Next-day installation

Start your quote

Thousands of happy customers

Watch real stories from homeowners across the UK
who upgraded with iHeat.

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Booked next day installation - kept updated throughout the process.

Samuel

Boiler
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100% recommend iHeat - very easy and straightforward process.

Emily

Boiler
Testimonial video

Great service from website to installation - helped choose the correct product.

Lynton

Boiler
Testimonial video
Testimonial video

Contacted Monday, fitted Wednesday - home was nice and toasty when I got back.

Julie

Boiler
Testimonial video

Very competitive price - staff bent over backwards to help solve issues.

Andy

Boiler
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Great experience with iHeat - customer service was excellent and very responsive.

Staylor

Boiler
Testimonial video

Booked within 24 hours - able to book fitting of new boiler quickly.

Kelly

Boiler

Amazing communication - clear and consistent comms throughout the process.

Rosie

Boiler

Fantastic from start to finish - online ordering was straightforward and quick.

Gareth

Boiler

Why choose iHeat

Fixed online quotes. Fast installations.
Trusted by homeowners across the UK.

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Deluxe Boiler Brands

We install only top-rated boilers from trusted British and European brands.

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Premium After Care

Dedicated support team for any post-installation questions or issues.

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5-Star Reviews

Over 10,000 5-star reviews — proof of our reliable service and expertise.

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Interest Free

Spread the cost with flexible 0% APR finance options.

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Fixed Price Quote

Get a fixed quote in 60 seconds, installs as soon as next day.

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Expert Local Engineers

Gas Safe registered experts serving homes across the UK.

Start your quote
Trusted and accredited across the UK

Trusted and accredited across the UK

Which? Trusted Trader

Which? Trusted Trader

Independently endorsed for exceptional quality and trustworthy service.

5★ Trustpilot Rated

5★ Trustpilot Rated

Over 10,000 verified 5-star reviews from real customers across the UK.

FCA Authorised

FCA Authorised

Approved credit broker offering secure, transparent finance options.

Gas Safe Engineers

Gas Safe Engineers

Fully qualified and legally certified for safe boiler installations.

Only the best A-rated energy efficient boilers

Glow-worm Compact C24 24kW glow-worm

Glow-worm Compact

A-Rated @ 93% efficiency

626 mm(h) × 400 mm(w) × 270 mm(d)

From £1,979 inc. installation & VAT

Shop Glow-worm
Alpha E-Tec NX 28kW alpha

Alpha Etec NX

A Rating @ 94% efficiency

712 mm(h) × 440 mm(w) × 255 mm(d)

From £2,049 inc. installation & VAT

Shop Alpha
Worcester Bosch 1000 24kW worcester

Worcester Greenstar 1000

A-Rated @ 93% efficiency

655 mm(h) × 395 mm(w) × 285 mm(d)

From £2,149 inc. installation & VAT

Shop Worcester
Worcester Bosch 2000 25kW worcester

Worcester Greenstar 2000

A-Rated @ 93% efficiency

724 mm(h) × 400 mm(w) × 300 mm(d)

From £2,279 inc. installation & VAT

Shop Worcester
Worcester Bosch 4000 25kW worcester

Worcester Greenstar 4000

A-Rated @ 94% efficiency

724 mm(h) × 400 mm(w) × 310 mm(d)

From £2,329 inc. installation & VAT

Shop Worcester
Viessmann Vitodens 050-W 30kW viessmann

Viessmann 050

A Rating @ 92% efficiency

700 mm(h) × 400 mm(w) × 300 mm(d)

From £2,499 inc. installation & VAT

Shop Viessmann

Brains behind the boilers

Meet the senior management team that handles your installation from start to finish.

Ste
Gas Safe

Ste

Operations Director

Olivia

Olivia

Customer Services Manager

Barry

Barry

Procurement Manager

Alex

Alex

Aftercare Manager

600+

engineers across the UK

Which? Trusted Traders
Gas Safe certified
Fully insured
Local experts
More about us

Everything you need to know

Find quick answers to our most common questions.

Boiler help & expert guides

How much does a new boiler cost in the UK

How much does a new boiler cost in the UK

Based on data from over 7000 boiler installations completed by iHeat in the past 12 months, we’ve an...

Stephen Day profile photo

Stephen Day

Gas Safe Engineer

22 December 2025

Guides

The Best Combi Boilers in 2026

The Best Combi Boilers in 2026

Here’s a quick roundup of the best combi boilers for 2026.

Stephen Day profile photo

Stephen Day

Gas Safe Engineer

22 December 2025

Guides

Which Boiler is Best for a 4 Bedroom Home?

Which Boiler is Best for a 4 Bedroom Home?

When your old boiler breaks down and it comes time to replace it with a new one, it might seem diffi...

Stephen Day profile photo

Stephen Day

Gas Safe Engineer

22 December 2025

Guides

This Valentine's Day we’re asking - Does the size of your pipe really matter? 2025

This Valentine's Day we’re asking - Does the size of your pipe really matter? 2025

This Valentine’s Day we want to let you in on a dirty little secret…

Stephen Day profile photo

Stephen Day

Gas Safe Engineer

22 December 2025

Guides

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