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HEG heat pump guide

Find a sensible starting point for your heat-pump survey.

Answer a few practical questions. We will show a current Harnitek package that may help the conversation, not a substitute for a heat-loss calculation.

Air-source heat pump outside a UK home
Step 1 of 4Survey-led recommendation
Your home

Start with the shape of your home.

This only helps us choose a starting conversation point. HEG will complete the formal room-by-room design.

How many bedrooms does your home have?

6kW Harnitek heat-pump package

5 rooms · Harnitek package

6kW

Smaller homes

A practical published starting point for a well-considered smaller home design.

Package price
£4,550
One-off payment for this 5-room Harnitek heat-pump package.
9.9% APR finance illustration
Illustrative monthly payment
£58.82
per month for 120 months
About this illustration

This staged illustration uses the displayed package price and a 9.9% APR amortising calculation over 120 months. It is not an offer of credit or a final repayment quote. Ideal4Finance must confirm the final representative example, lender terms and required disclosures before the finance option is launched.

Terms from 24 to 120 months are shown for finance-eligible packages. The 180-month option appears only where the package price is above £7,500 and remains subject to Ideal4Finance product eligibility.

Finance is subject to status, lender assessment and approval. Ideal4Finance acts as a credit broker, not a lender. Final agreement terms, eligibility and any required disclosures are confirmed during the application process.

Understanding finance options
5 HeatBoost radiators · subject to survey and grant eligibility
Your starting point9kW Harnitek heat-pump package

5 rooms · Harnitek package

9kW

Typical family homes

A balanced starting package for many family-home surveys.

Package price
£4,750
One-off payment for this 5-room Harnitek heat-pump package.
9.9% APR finance illustration
Illustrative monthly payment
£61.40
per month for 120 months
About this illustration

This staged illustration uses the displayed package price and a 9.9% APR amortising calculation over 120 months. It is not an offer of credit or a final repayment quote. Ideal4Finance must confirm the final representative example, lender terms and required disclosures before the finance option is launched.

Terms from 24 to 120 months are shown for finance-eligible packages. The 180-month option appears only where the package price is above £7,500 and remains subject to Ideal4Finance product eligibility.

Finance is subject to status, lender assessment and approval. Ideal4Finance acts as a credit broker, not a lender. Final agreement terms, eligibility and any required disclosures are confirmed during the application process.

Understanding finance options
5 HeatBoost radiators · subject to survey and grant eligibility
12kW Harnitek heat-pump package

5 rooms · Harnitek package

12kW

Larger homes

For larger heating demand, subject to a room-by-room design.

Package price
£5,100
One-off payment for this 5-room Harnitek heat-pump package.
9.9% APR finance illustration
Illustrative monthly payment
£65.93
per month for 120 months
About this illustration

This staged illustration uses the displayed package price and a 9.9% APR amortising calculation over 120 months. It is not an offer of credit or a final repayment quote. Ideal4Finance must confirm the final representative example, lender terms and required disclosures before the finance option is launched.

Terms from 24 to 120 months are shown for finance-eligible packages. The 180-month option appears only where the package price is above £7,500 and remains subject to Ideal4Finance product eligibility.

Finance is subject to status, lender assessment and approval. Ideal4Finance acts as a credit broker, not a lender. Final agreement terms, eligibility and any required disclosures are confirmed during the application process.

Understanding finance options
5 HeatBoost radiators · subject to survey and grant eligibility
15kW Harnitek heat-pump package

5 rooms · Harnitek package

15kW

Higher-demand homes

For bigger properties and higher starting demand, always survey-led.

Package price
£5,400
One-off payment for this 5-room Harnitek heat-pump package.
9.9% APR finance illustration
Illustrative monthly payment
£69.81
per month for 120 months
About this illustration

This staged illustration uses the displayed package price and a 9.9% APR amortising calculation over 120 months. It is not an offer of credit or a final repayment quote. Ideal4Finance must confirm the final representative example, lender terms and required disclosures before the finance option is launched.

Terms from 24 to 120 months are shown for finance-eligible packages. The 180-month option appears only where the package price is above £7,500 and remains subject to Ideal4Finance product eligibility.

Finance is subject to status, lender assessment and approval. Ideal4Finance acts as a credit broker, not a lender. Final agreement terms, eligibility and any required disclosures are confirmed during the application process.

Understanding finance options
5 HeatBoost radiators · subject to survey and grant eligibility
Ongoing care is optional

Explore planned HEG Care memberships for eligible heating systems. Membership is separate from your installation price, warranty and any repair work.

Explore maintenance