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9 expert tips to get the most out of your heat pump – even on the coldest day

There may be a stretch in the evenings now, but the fact remains that we’re still in the coldest, darkest, bleakest time of the year. Spring will be along with new life and welcome warmth soon enough – until then, we must rely on our heating systems.

For those who have already made the smart decision to switch to renewable home heating in the form of a heat pump, this time of year is when you want your system operating at 100%. A heat pump is one of the most efficient ways you can keep your family warm and cosy, even on the coldest winter day.

Daikin heat pumps are built here in Europe and are used in countries much colder than Ireland (Sweden, Denmark, Finland) so you know they are suitable for Irish homes and Irish weathers. No matter how cold it gets, a heat pump can continue to extract energy from the outside air to keep your home at a steady, reliable level of comfort.

Although heat pumps are remarkably easy to operate and maintain, there are still a few tips worth knowing that can help you ensure you are getting the most out of your system. We asked three of Ireland’s leading heat pump installers to give us their very best winter maintenance suggestions – take it away partners!

Northern Refrigeration Services

Based in: Ballyshannon, Co. Donegal

Covering: North-West and Midlands

“Let the heat pump do its thing”

  • A really important piece of advice during the colder winter months is simply to let the heat pump do its thing. It has been set up to suit your home and your needs so there’s no need to adjust your settings – if anything seems wrong, contact your local installer.
  • In between your annual servicing, keep an eye on your outside unit and clear away any debris such as fallen leaves to ensure optimum performance.
  • Ice can build up on the outside unit during freezing spells and you may see the system giving off steam or even making a low hissing sound. This is nothing to worry about! It means the system is working to defrost itself so there’s no need to do anything.


Based in: Cork

Covering: Munster region and nationwide

“Don’t go chasing more heat”

  • No matter how cold it gets, your outside unit should never be covered. Heat pumps need free air flow at all times so anything blocking your air flow will make the system less efficient (and increase your running costs).
  • Your heat pump has been set up to deliver the ‘right’ level of comfort for your individual home, so don’t be tempted to chase more heat. Turning up your temperature setting won’t heat your home any faster – but it will consume more energy.
  • To maximise performance, make sure your domestic hot water temperature is set to 48°C. Once a week, your heat pump will increase the hot water temperature to 60-65°C to ensure the safety of your supply, but again this happens on its own.

One Stop Shop experts Envirobead work with RTS on their heat pump installation solutions for customers.


Keltic Renewables

Based in: Portlaoise, Co. Laois

Covering: Midlands region

“Optimising efficiency and reducing running costs”

  • Have your heat pump serviced at least once a year by a Daikin partner for peace of mind that the system is running to its optimum performance. You should also have your system registered with Daikin’s Stand By Me portal so you get regular reminders about servicing.
  • A soft hand brush is useful for keeping the outdoor unit tidy and free of anything that might obstruct your airflow. If you think something’s wrong with the system, don’t delay – contact your installer right away.
  • Keep your room stats at the recommended temperatures: 21°C for kitchens, dining and living rooms, 18°C for bedrooms and hallways. Rooms not in use can be turned down (15°C) but should not be turned off. Keep internal doors closed so each zone is not being interfered with lower or higher temperatures from surrounding rooms. 

Energy-saving benefits of a heat pump

As Ireland continues to transition away from fossil fuels, thousands of homeowners have already discovered that a heat pump uses far less electricity than traditional heating systems (oil, gas) so they are incredibly efficient and economical to run.

However, in order to get the full energy-saving benefits of a heat pump, your system must be working at 100% efficiency. We hope our installer tips help you to optimize the performance of your heat pump and keep your home warm and comfortable this winter. And remember – spring is coming!

If you’re looking for more information, tips and ideas about heat pumps, why not check out our ‘Daikin Delves In’ video series.

Start your heat pump journey

Thinking about installing a heat pump and availing of the many benefits of this renewable energy technology? Find out who your local supplier/installer is today and ask them about Daikin heating and cooling solutions. They’re here to help!

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