Save £7,500 with the BUS grant,
from £1,495 after grant.
Which? Trusted Trader
for 2 years running
Which? Trusted Trader
for 2 years running
Recognised by the biggest names in home services.
We help homeowners access fast, reliable home-energy solutions.
Answer a few quick questions about your home and heating needs.
No signup needed
Choose from a range of top-rated heat pumps that fit your home and budget.
0% APR finance available
Pick your date, we can install as soon as next day (order before 3 pm).
Next-day installation
Browse our latest range of heat pumps, installed by MCS certified engineers.
Affordable and reliable
7-Year Warranty
Silent mode for low noise heating
Control with Alpha Smartech app
Rated A++ for energy efficiency
Fixed price (inc. VAT)
£9,595
or, monthly from
£200
Powerful yet efficient heating
7-Year Warranty
The perfect fit for any home
Quiet Mark accredited
Rated A+++ for energy efficiency
Fixed price (inc. VAT)
£10,495
or, monthly from
£219
Top-tier heating performance
7-Year Warranty
Quiet Mark accredited
Compact & modern design
Rated A+++ for energy efficiency
Fixed price (inc. VAT)
£11,095
or, monthly from
£231
Lower your energy bills and reduce your carbon footprint with government funding support.
Government funding available through the Boiler Upgrade Scheme. Reduce your upfront costs significantly.
Heat pumps are up to 4x more efficient than traditional boilers, reducing your energy bills year-round.
Prepare for the future with renewable heating technology that's kind to the planet and your wallet.
Based on average UK household usage, switching from a gas boiler to an air source heat pump can save you hundreds of pounds per year on energy bills.
£500+
Potential annual savings
Fixed online heat pump prices, with easy and fast installations.
We only stock and install the very best heat pumps from award-winning brands.
Our dedicated after care team are as experienced as they come, and fully devoted to assisting you with any queries.
Over 10,000 5-star reviews - a testament to our expertise, performance and dedicated service.
A wide range of finance options available to help you spread the costs.
An iHeat quote is stress-free, fixed price and literally takes 60 seconds, with installation dates as fast as the next day.
We operate a nationwide network of MCS certified engineers, we only deploy qualified local engineers.
We provide more than just a heat pump. Compare our fixed-price service with standard local installers to see the difference.
Pricing:
Warranty:
Engineers:
Finance:
Installation:
BUS Grant:
Fixed Price Guarantee
Up to 5-Year Warranty
MCS Certified Engineers
0% APR & No Deposit
Next-Day Available
BUS Grant Support
Other Installers
Estimates that often change
Standard 2-3 year coverage
Varies by subcontractor
High interest or cash only
1-2 week waiting times
Limited grant support
Pricing:
Fixed Price Guarantee
Estimates that often change
Warranty:
Up to 5-Year Warranty
Standard 2-3 year coverage
Engineers:
MCS Certified Engineers
Varies by subcontractor
Finance:
0% APR & No Deposit
High interest or cash only
Installation:
Next-Day Available
1-2 week waiting times
BUS Grant:
BUS Grant Support
Limited grant support
Spread the cost without extra fees
Nothing to pay for 12 months
Small installments for up to 10 years
We're committed to providing you with the highest standards of service, backed by industry-leading certifications and thousands of satisfied customers.
Independently endorsed for exceptional quality and trustworthy service.
Over 10,000 verified 5-star reviews from real customers across the UK.
Approved credit broker offering secure, transparent finance options.
Fully qualified and legally certified for safe boiler installations.
Watch real stories from homeowners across the UK
who upgraded with iHeat.
Booked next day installation - kept updated throughout the process.
Samuel
100% recommend iHeat - very easy and straightforward process.
Emily
Great service from website to installation - helped choose the correct product.
Lynton
Contacted Monday, fitted Wednesday - home was nice and toasty when I got back.
Julie
Very competitive price - staff bent over backwards to help solve issues.
Andy
Great experience with iHeat - customer service was excellent and very responsive.
Staylor
Booked within 24 hours - able to book fitting of new boiler quickly.
Kelly
Amazing communication - clear and consistent comms throughout the process.
Rosie
Fantastic from start to finish - online ordering was straightforward and quick.
Gareth
Find quick answers to our most common questions.
Most homes need some radiators upgraded for a heat pump, but usually not all of them.
Gas Safe Engineer
05 December 2025
Advice
Most homes can lower heating costs by combining air source heat pumps with solar panels.
Gas Safe Engineer
05 December 2025
Advice
High temperature heat pumps work like boilers without needing radiators, but they cost more than sta...
Gas Safe Engineer
28 November 2025
Advice
This guide outlines the best air source heat pumps for UK homes in 2025 and what to know before choo...
Gas Safe Engineer
14 November 2025
Advice
Save £7,500 with the BUS grant,
get your quote in 60 seconds.