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HomeFashionAir to water heat pump installation explained 

Air to water heat pump installation explained 

Finding an air to water heat pump that uses less  gas  over its lifetime. Now is the time to act, as a boiler upgrade program could save a homeowner £7,500 on the cost of a heat pump. 

Here you’ll find everything you need to know about how our installers can get you  a new air-to-water heat pump. 

If you want to find out how much a heat pump will cost you, all you have to do is answer a few quick questions in our  comparison tool. Our experts will then contact you for a free quote. 

What is an air-water heat pump? 

Air-to-water heat pump is a new heating system that uses electricity to capture heat from the outside air  and use it to provide you with heat and hot water. 

A mechanical refrigerator absorbs heat from the outside and turns into a gas when heated above -50°C. 

The gas is compressed, causing it to heat up as the pressure increases. It then transfers this heat to the central heating  water. 

You can store excess water in the hot water tank when you are not using the heating system. 

Since the sun  already provides heat, an air-to-water heat pump can produce more  heat than the  electricity it consumes, making it an excellent source of green energy. 

How can I install a water heat pump? Installation of the 

Water Heater can be hassle-free if you use a  qualified and reputed professional company. 

Read our guide to the best pumps in Britain to make the right choice for your home. 

Do not put air into the water heater unless  you are a licensed electrician. All previously saved files will be deleted when the system crashes. 

We’ve put together a step-by-step guide to take you into servicing a new air-to-water heat pump so you know what  installers are doing. 

1. Inspection 

The best first step is to ask a heat pump installation company  to send a heat technician to inspect your home and select the heat pump size you need. 

While some companies carry out this survey free of charge, others require a deposit of £500. 

These fees are often waived if you choose a reputable company to repair your heat pump, but either way it’s great to know how much money you can save. 

An engineer measures the size of your home, the number of rooms you need to heat, the level of insulation  and the size of your radiator. 

This procedure might also additionally soak up to 4 hours

They also take into consideration that if you have underfloor heating, if you have a heat pump, that is a very effective way to distribute heat in your home. 

All  these ideas will help you understand how much heat you are constantly losing in your home. The more heat is lost, the larger the heat pump you will need. 

To reduce your heat loss and make your home more  heat pump efficient, the engineer may recommend  better insulation, larger radiators, or underfloor heating. If you install a heat pump, they can do these repairs for you. 

Unfortunately, most radiators in UK homes are  larger than required for gas heating, which may be ideal for your new  pump. Normally most homes  need to replace about a third of the radiator before installing a heat pump. 

2. Outdoor unit 

The actual heat pump is now located on the outside of your home, on one side of the exterior wall. 

The heat pump needs easy access to  air, so the installer will choose an obstruction-free location and place it on a  concrete block or use a bracket to mount it on the wall. 

This ensures that  your heat pump stays securely in place in rain, sleet or sleet. 

3. Main Section 

The installers now move on to another important part of the process, installing your hot water cylinder. 

This storage tank contains all the hot water you don’t need immediately so you can make the most of  the heat your  pump provides. 

Your store will give you the correct size for your home, but as a guide an average three-bedroom home will need 200 liters of hot water. 

If you have two bedrooms you can probably fit 150 litres, while homes with five  or more bedrooms will  need at least 300 litres. 

If you already have a hot water boiler, it is probably not suitable for a heat pump system as the coil is usually too small to heat the water as quickly as it should. 

4. Connecting 

Now it’s time to connect everything. 

Your shop connects the outdoor heat pump to the indoor hot water cylinder using a control cable, a refrigerant hose, and a condenser hose. 

They often have to make a hole in the wall to feed. 

Now connect your hot water cylinder to your radiator and  underfloor heating system, if any, by installing the same pipes. 

Your old heating system will need to be turned off at some point during this process, but the plumber will warn you  in advance and let you know how long this will take. It usually takes a few hours.



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