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Air Source Heat Pumps Are Environmentally Friendly & Efficient

Heat pumps are an environmentally friendly and extremely efficient alternative to oil, gas, solid fuel and conventional home heating systems. Heat pumps work by converting energy from the air outside of your home into useful heat inside, in the same way a fridge extracts heat from its inside

Heat pumps are a major source of renewable energy for Irish homes, and after 2025, will replace oil and gas boilers as the primary heating source for retrofitting older homes. The SEAI offer grants of €6,500 towards and air source heat pump.

Viessmann Vitocal 222a
Young couple

The Benefits Of Heat Pumps:

  • Free heat source available at any time of the day.
  • Reduce your heating bills by improving your energy efficiency.
  • Increase your home comfort levels.
  • Renewable energy – no need to burn fossil fuels at home.
  • Support the environment by reducing your greenhouse gas emissions.


Do you know that you are entitled to a grant of €6,500 for installing an air to water heat pump if your house was built before 2021.

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Viessmann Vitocal 222-A

What Makes It So Special:

Innovative Advanced Acoustic Design:
The high-quality and sound -optimised fan in combination with an intelligent speed control contributes significantly to the reduction of airborne noise at full and partial load operation.

Particularly quiet:
It’s one of the quietest units of this type so installation close to the neighbouring property or in densely built-up areas is no problem.

EHPA seal of approval:
The European Heat Pump Association certifies it meets the requirements of the EHPA quality seal regulations.

Vitotronic 200 with WiFi option:
Take control from anywhere with the easy to use Vitotronic 200 control unit and the ViCare app.

Vitocal 222-A

How Heat Pumps Work

How it works

Heat Pump Frequently Asked Questions

What is a Heat Pump?

Heat pumps are an energy efficient way to convert energy (the cold air outside your home) into heat inside your home, similar to how a fridge extracts heat from inside. Every unit of electricity used in the process yields roughly four units of heat for your home. In well insulated homes, heat pumps are inexpensive to run and a great alternative to fossil fuel based systems.

Is my home suitable for a Heat Pump?

Why are grants available for heat pumps?

Heat pumps are a sustainable and renewable way to heat your home. Grants have been discontinued for oil and gas boilers to accelerate the move away from fossil fuels and towards renewable forms of heating. Learn more on our grants page here.

Am I eligible for an SEAI Heat Pump Grant?

To qualify:

  • The house must be well insulated (or ‘heat pump ready’ as the SEAI refers to it). SEAI insulation grants only apply to homes built before 2011.  The SEAI points out that uninsulated homes built more than 30 years ago may require substantial and costly upgrades to qualify for a heat pump system grant.
  • Before applying you will need to appoint an SEAI-registered Technical Advisor to carry out a Technical BER.
  • All homeowners, including landlords, whose homes were built and occupied before 2021 can apply. This is defined as the date your electricity meter was installed.

What is the grant amount for an Air-to-Water heat pump?

€6,500.00, including €200.00 towards the cost of the Technical BER.

Why the focus on ‘fabric first’ for heat pumps?

For heat pumps to operate efficiently, they should only be installed in sufficiently insulated homes. Homes that are not properly insulated would find their bills to be much higher than expected. To ensure that a home is “heat pump ready” the SEAI has introduced a process whereby homeowners need to have a technical BER assessment carried out on their property to assess heat loss from the home. The heat Loss indicated during this assessment must be no more than 2 W/K m2 . An independent SEAI registered Technical Advisor will carry out the required technical assessment to determine the suitability of your home.

At the point of applying for a heat pump grant the homeowner is required to upload the Technical Assessment document detailing the home’s eligibility. A grant of €200 towards the  cost of the technical BER is included in the heat pump grant after the works are carried out.

How can you improve the Heat Loss Indicator of a poorly performing home?

The technical BER report will outline the measures needed for each individual home. It is likely to include recommendations such as the installation of high performance glazing, new windows and doors and or insulation. The SEAI offers grants towards insulating your home (external wall wrapping, internal dry lining and cavity wall insulation).

Please note, that as you increase the insulating measures in your home, you are also making it more airtight. You will need a ventilation strategy for the home, which may sound contradictory, but air flow is extremely important in your home.

At the point of applying for a heat pump grant the homeowner is required to upload the Technical Assessment document detailing the home’s eligibility. A grant of €200 towards the  cost of the technical BER is included in the heat pump grant after the works are carried out.

Are Heat Pumps costly to run?

No, if your home is sufficiently insulated and airtight, heat pumps are far more economical to run than traditional forms of heating such as oil and gas boilers.

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