👇 THE CONTRACTORS GROUP
https://go.skill-builder.uk/contractors
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Air-to-air heat pumps are often dismissed as “just air conditioning”, but modern systems are reverse-cycle heat pumps capable of both heating and cooling a home very efficiently.
For many smaller properties and retrofits, they can be quicker and cheaper to install than traditional air-to-water heat pumps while still delivering impressive efficiency.
In this discussion with installers Sam and Myuran from The Contractors Group, we look at how air-to-air systems actually work, how heat spreads through a home, and why some installers see them as a practical option for terraces, bungalows and smaller houses.
We also explore emerging systems that combine air-to-air heating and cooling with hot water cylinders using heat recovery, capturing waste heat from cooling and turning it into hot water.
Key Takeaways
• Modern air conditioning systems are reverse-cycle heat pumps capable of heating in winter and cooling in summer.
• Air-to-air systems can be significantly quicker and cheaper to install than air-to-water heat pumps in many retrofit situations.
• Efficient systems can achieve COP figures above 4, meaning several units of heat output for every unit of electricity used.
• Heat recovery cylinders are emerging that can generate domestic hot water using the refrigerant circuit and captured waste heat.
• Multiple indoor units improve heat distribution, and warm air naturally drifts to cooler parts of the home.
• Installers often recommend keeping an existing boiler as backup to provide redundancy during very cold weather.
• Proper installation requires F-Gas certified engineers and pressure-tested refrigerant systems.
• Air-to-air systems may be particularly suitable for smaller homes such as terraces, bungalows and park homes.
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