Celebrating a COOL 24 years in business!


air cool engineering NI air to water heat pumps for space heating and hot water. Also know as ASHP Air source heat pumps.

Previously, we took a brief look at why we love Air to Air HEAT PUMPS. While these systems effortlessly deliver both heating and cooling for small to medium sized spaces, they don’t heat water. However, if you’re considering a space heating AND hot water system which is clean, green and energy efficient, then an Air to Water HEAT PUMP could be the perfect solution for your forever home or business.

energy efficient, low carbon air to water heat pump Mitsubishi Electric ECODAN air cool engineering NI approved installer ASHP Northern Ireland

Air to Water Heat Pumps are a clean, renewable and low-carbon alternative to traditional heating systems.

The slightly techy stuff……

An Air to Water HEAT PUMP is a self-contained unit which is located outside a property, and only requires electricity and water connections. Heat from the outside air is absorbed at low temperature into a fluid. This fluid passes through a compressor, increasing the temperature, and transfers that higher temperature heat to the ‘wet’ central heating system and hot water circuits of the property. As heat pumps work more efficiently at a lower temperature than a standard boiler system, they are particularly suited to underfloor heating systems. For retro-fits, Air to Water Heat Pumps can work well with low-flow temperature and fan assisted radiators such as the Mitsubishi Electric’s i-Life2 Slim. View the i-LIFE2 Slim range here.

air cool engineering NI Ltd has been installing Air to Water Heat Pumps in both commercial and domestic properties since 2012. For best system performance and efficiency, we recommend integrating your heat pump with a pre-plumbed hot water cylinder. These cylinders are specifically designed to work in harmony with your heat pump, giving improved performance with faster heat-up times through the use of plate heat exchanger technology. Pre-plumbed cylinders are available in 150 Litres to 300 Litres – so there is always plenty of hot water in the tank to meet your demands. Plus, pre-plumbed cylinders are fitted with all the components and advance controls, making installation quicker.

Why we LOVE Air to Water Heat Pumps

  • Highly effective at delivering constant space heating and hot water
  • Energy efficient, clean and low-carbon heating and hot water system
  • Ideal for off-grid new build properties, which would normally rely on oil fired boilers to provide heating and hot water
  • Perfect partnered with underfloor heating systems and compatible with low temperature and fan-assisted radiators
  • A++ ErP Energy Ratings across the range
  • Accurately sized to meet the heating and hot water needs of a property
  • Highly efficient, transferring around three times more energy into a property as heat than it uses to extract it from the air
  • Relatively easy installation with ‘fit-and-forget technology’
  • Air to Water Heat Pumps are specifically designed (and sized) with new-build standards of insulation in mind
  • Low noise levels to meet planning regulations
  • Advanced wireless controllers to control and monitor system performance both locally and remotely
  • Air Source Heat Pumps are considerably cheaper than ground source heat pumps
  • Easy maintained with lifespan of 15 to 20 years

Is an Air to Water Heat Pump suitable for your property?

An Air to Water Heat Pump can be installed in a range of properties, whether small or large, rural or urban. There are however many factors to consider before thinking about installing an Air to Water Heat Pump. They are not a ‘one-size-fits-all’ solution and may not be suitable for every property. As a trusted and approved installer, air cool engineering NI Ltd has the knowledge and experience to initially advise on heat pump suitability for your property.

Is your property well insulated? How old and what size is your property? Do you have single, double or triple glazing? How many external doors? These are a few of the questions required to carry out a heat loss calculation on your property. From this information we can accurately ‘size’ a heat pump to meet the heating and hot water demands.


Consider an ASHP Air to Water HEAT PUMP when…

  • You are looking for a low-carbon, eco-friendly and sustainable way to heat your home
  • The property is well insulated – this is important for efficiency and keeping running costs low
  • There is not enough outside space needed for a ground source heat pump. For an air source heat pump, all you need is room for the unit to be fitted to an exterior wall, with enough space around it to get a good flow of air
  • You are installing, or already have, an underfloor heating system. Air source heat pumps work particularly well with underfloor heating due to their low operating temperatures.

Interested? If you’re looking for a clean, green, effective and cost efficient system which delivers flexible and constant space heating and plenty of hot water, please get in touch with The Cool Team.