Hidden Truths About Air Source Heat Pumps

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Hidden Truths About Air Source Heat Pumps

Nowadays, many people are considering more sustainable heating systems for their homes, including heat pumps. But there are some hidden truths about air source heat pumps that some people are simply unaware of. Although there are many benefits, there are also major pitfalls. It’s important to know whether your home is suitable for this type of heating system.

Air source heat pumps transfer heat from the air outside to water. The heated water then flows through radiators or an underfloor heating system, which enables you to heat your home. It can also be stored in a hot water cylinder to heat tap water, baths and showers.

As they do not burn fossil fuels such as gas, heat pumps can be highly energy efficient for modern insulated homes. Water temperatures from an air source heat pump average 40 degrees, which is much lower than a gas boiler (usually between 60 – 70 degrees).

A big problem with heat pumps is the way they function when installed in older homes. Properties need to be energy efficient enough to ensure the heat pump can run efficiently. Due to the lower water temperatures, a poorly insulated home will lose heat quickly. This can make the heat pump very costly to run when compared to a traditional boiler. Radiators also need to be much larger than standard ones to be able to adequately heat a room.

Boiler manufacturers like Worcester Bosch recommend having an EPC (Energy Performance Certificate) survey. This will enable you to see how your home is rated for energy efficiency. Air source heat pumps function correctly at an EPC rating of A or B.

Your EPC survey findings will give you suggestions to help you improve your home’s energy efficiency. You can then decide whether it’s possible to bring your property up to the required A or B rating. You might be able to increase your rating through loft insulation, cavity wall insulation, and UPVC double-glazed windows.

Unfortunately, in the case of pre-World War II, single-brick properties, there may be limitations on how far you can insulate your home. Therefore, many properties in the UK are not suitable for an air source heat pump. However, heat pumps can be a practical option for modern homes, where areas of the property such as cavity walls are well-insulated.

If you are considering an air source heat pump, it’s essential to check whether this type of system will function correctly in your home. When installed in modern homes, they can be highly efficient with low operating costs. But when installed in older properties, heat pumps won’t provide you with a comfortable level of warmth and you’ll be paying costly bills.

Roy Lee Plumbing and Heating Ltd. can advise you on a suitable heating system for your home. If you are comparing boilers with air source heat pumps, Roy will explain all the pros and cons. He will ensure you make the right decision for your type of property.

For more information on heating systems and boilers, please call Roy on 07842 234403.

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