System performance & operation

For many UK homeowners, it may seem strange not to turn their heating system OFF, especially when we're so accustomed to traditional boilers. However, a heat pump is designed to always be ON.

With the help of Aira Intelligence, the Aira Heat Pump will always heat enough water for your home’s taps and showers and maintain a cosy temperature inside your home. However, on warmer days, particularly in the summer, your home may not need much heating – or any at all.

For example, if you’ve set your indoor temperature to 20°C and the weather is warm enough that the indoor temperature rises above this, your heat pump will stop heating your home. Once the temperature drops below 20°C, your heat pump will automatically and efficiently resume heating your home. This approach is more efficient because it allows the heat pump to maintain a steady, cosy temperature without the energy spikes that come from repeatedly turning the system on and off.

Ultimately, your heat pump will always provide enough hot water all year round. But it understands that as the seasons change, your heating needs change, too. That’s why in the winter your heat pump will provide more heating to maintain your perfect indoor climate. When temperatures rise in the summer, it will provide less heating – if any at all. 

The Aira Heat Pump is exceptionally quiet and designed to operate without disruption, producing less noise than your fridge.

During defrost cycles, you might hear a gentle wheezing sound, which is completely normal and should last about 30 seconds.

However, if your Aira Heat Pump consistently makes loud noises, please contact our 24/7 Customer Support team at 0330 822 5493.

Our heat pumps can provide heating system water up to 75°C. However, output temperatures – or flow temperatures – rarely need to be that high for efficient heating. 

In most homes, a lower flow temperature of around 35-55°C is more than sufficient to keep your home warm and comfortable, while also improving the system's efficiency and reducing energy consumption. 

If necessary, the system will automatically adjust to provide higher hot water temperatures to ensure your desired indoor temperature is maintained.

All heat pumps use refrigerants. Most are harmful to the environment and have a high Global Warming Potential (GWP). 

But the Aira Heat Pump uses R290. It's a natural, non-toxic refrigerant that's free of ozone-depleting properties and has a low GWP. It also happens to be one of the most efficient and high-performing refrigerants on the market. 

Without electricity, your heat pump can't power essential components like the compressor and fan, which means it won’t be able to provide any heating. If you’re experiencing power issues, please contact your energy provider for assistance.

Your heat pump will restart automatically when the power is turned back on. No further action is required.

Once you have set your desired indoor temperature and the amount of hot water you need a day, your heat pump does the rest. It will automatically heat hot water and maintain your set temperature in the most efficient way possible.

You don't need to adjust anything. In fact, your heat pump works best if you don't. But if you do want to make any changes, you can via your thermostat or the Aira Home Energy app.

Our heat pumps use variable speed compressors, which adjust their power based on your home's heating needs. When it's warm outside, the heat pump reduces its speed to match the lower heating demand and may stop completely, giving you the impression that it is switching off and on. If it didn’t adjust, it could make your home too warm and uncomfortable.