What is the Domestic RHI?

Reap the rewards of renewable heat! Find out more about the Domestic Renewable Heat Incentive (RHI).

You can now get paid by the Government for investing in a renewable heating system.

Through the Domestic Renewable Heat Incentive (RHI), homeowners across the UK that get solar thermal panels, biomass boilers or heat pumps installed in their homes, can now claim quarterly payments for next 7 years.

This pioneering scheme rewards residents for using renewable energy as an effective alternative to gas and oil. This is of particular benefit to homeowners that live off the mains gas grid.

Not only will you save money by using renewable heat, but get paid for the privilege!

Which technologies are part of the Domestic RHI?

There are four renewable heat technologies that you can take advantage of under the Domestic RHI:

  • Solar Thermal Systems
  • Air Source Heat Pumps
  • Ground Source Heat Pumps
  • Biomass Boilers
  • Assessment Process
  • Before your renewable heating system is installed, you must get a Green Deal Assessment carried out. As part of this assessment you will be issued an Energy Performance Certificate (EPC)* which will indicate how much heat your system is likely to generate each year.
  • This estimation is then used to calculate how much money you will be paid per quarter for using renewable heat over the next 7 years.
  • *Please note that if any home insulation measures (e.g. cavity wall insulation) are recommended on your EPC, then these will need to be installed prior to your renewable heating system for you to claim your RHI payment.


Your installation must be carried out by an accredited MCS (Microgeneration Certification Scheme) installer. Only systems that provide heat to a single property will be eligible under the scheme.

How much money am I likely to make?

To work out how much money you could generate from installing a renewable heating system at your home, use the Government’s: RHI Calculator

How to join the Domestic RHI

You can apply for the Domestic RHI within 12 months of the commissioning date of your renewable heating system. This date will be written on your MCS certificate once your system has been installed.

When registering your details, you will be asked to provide the following information:

  • The MCS certificate number for your renewable heating system.
  • Your Green Deal Advice Report (GDAR) number.
  • Your EPC number.
  • Your bank details so that they can set up your payment

All applications are made through Ofgem (the energy industry regulators)

Solar Thermal

Use the sun to provide your hot water

A solar thermal system consists of a series of panels or tubes that use the sun’s rays to heat water. An efficient system can produce around a third of your annual hot water needs and can provide almost all of your hot water during the summer.

Most solar thermal systems can be integrated into existing heating circuits, helping to reduce the amount of non-renewable fuel that is used in your home.

  • Generate FREE hot water
  • Reduce your fuel bills and cut your carbon footprint
  • Add value to your property
  • Get paid for investing in renewable heat

Get paid for renewable heat generation

Homeowners that invest in solar thermal systems are now financially rewarded by the Government through the Domestic Renewable Heat Incentive (RHI). Once your system has been installed by an MCS accredited installer, you can join the scheme and receive quarterly payments for the next 7 years. The value of the payments is determined by how much hot water your system is deemed to generate.

Air Source Heat Pump

Capture and use the heat from the air

If your home is off the mains gas network and you’re considering installing underfloor heating, then you could save money on your energy bills by investing in an Air Source Heat Pump.

An Air Source Heat Pump is an external unit that converts air from outside the house into heat. It acts almost like a refrigerator in reverse. The heat from the air is extracted, pumped and circulated into your house providing an efficient alternative to more traditional heating systems.

The units are typically situated on the gable end of a property or next to a garage. Air Source Heat Pumps can be used with under floor heating and radiators, providing renewable heat all year round.

  • Channel heat from the air outside into your home
  • Save energy and reduce your carbon footprint
  • Generate a second income from the Government’s RHI scheme
  • Add value to your home

Channel the earth’s inner heat into your home

A Ground Source Heat Pump collects heat from underground and converts it into energy which can be used to power a variety of home heating systems. They are ideally suited for people with large gardens or for householders with no direct access to the mains gas network.

A borehole is drilled into your garden, and a metal structure in the shape of a large spring is positioned within the ground. The heat is then collected and channelled back into the property.

  • Heat your home for less
  • Get paid for your system’s heating potential
  • Reduce fuel bills and cut CO2
  • Add value to your property

Invest in a low carbon boiler

Ideal for householders living off the mains gas network, Biomass Boilers are an effective low carbon alternative to more traditional heating systems. The unit burns small wooden pellets that are either fed in manually or dispatched through an electronic device called a hopper.

Typically biomass boilers are situated in the cellar of a property and have been used to replace inefficient electric, oil or coal burning systems.

If your home has good storage space and you are not connected to the mains gas network, then a Biomass Boiler could be the energy efficient solution you’ve been looking for.

With a biomass boiler from us you can:

  • Heat your home with a cleaner, greener fuel
  • Get paid by the Government for using renewable heat
  • Slash your energy bills and reduce your carbon footprint

Add value to your home

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