Air source heat pumps are becoming more popular in colder climates, so we have put together a little guide about them. We’ve included their advantages and disadvantages as well as some tips for choosing one which is right for you.
Air source heat pumps are also known as ground-coupled or geothermal heat pumps. They’re often described by the way they work rather than by what they actually do. They use the sun’s rays to warm up air inside a building. This warmed air then circulates through radiators and heats up the water inside pipes (called a hot water system). The heat from this hot water is then transferred into your house via an air conditioner to cool it down.
Advantages of Air Source Heaters (ASHs)
There are many reasons why ASHs can be great for your home. Firstly, they can save on energy bills because they don’t need electricity to run. Secondly, if your house gets too cold in winter, it can help with keeping you warm when you’re outside. If that sounds like something you might want, read on.
Low operating costs and no need for electric power
As already mentioned, these systems don’t require any electricity to function. It uses the sun’s rays to heat up the air inside your house, which then heats up the water in the water pipes. The water then heats up your house.
This means that you won’t have to pay for electricity to keep the pump running. You’ll only pay for the initial installation cost, although there may be additional monthly charges depending on how much energy your heater uses.
They can heat your house even if you live in a remote area
If you live in a remote place, you may not get enough sunlight to make your ASH work properly. However, you may still be able to use it because it doesn’t rely on direct sunlight. Instead, it relies on ambient heat to warm the air inside your house. The warmth will transfer to the water pipes as soon as they come into contact with the air inside your house, meaning it can still work in places where it would normally be impossible to install a conventional heating system.
The heat stays indoors for longer during winter
Because these heaters rely on solar radiation, they can still work in winter months. This means that you’ll be able to stay warm even though it’s freezing outside.
You can choose different types
While it’s possible to buy an ASH, you can also hire someone else to install one for you. This allows you to pick exactly which type suits your needs best. For example, if you have to move quickly, you could go for a portable model. If you don’t mind waiting around for the installer, perhaps you’d prefer a central model.
It’s easy to retrofit existing homes
If you want to install an ASH in your own home but the space isn’t suitable, you can just take out the old gas boiler and replace it with an ASH. If you’re worried about installing a new system in a small space, ASHs are perfect for those who want to retrofit an existing home.
Disadvantages of Air Source Heat Pumps
There are pros and cons with every type of heating system, and ASHs share several of them. However, here we’ll look at some of the downsides of installing one.
It takes time to set up
Since they are reliant on solar radiation, they take a bit of time to set up. Because they rely on the sun to warm your house, you might need to wait for days before they start working properly – just like with photovoltaic panels.
Installation can be tricky
To install an ASH, you’ll need to drill holes into your walls, which makes it harder to hide the heaters away.
The water pipes may freeze
When ASHs heat your house, they also heat the water pipes. If you live in a particularly cold region, the pipes may freeze while you aren’t there. To prevent this happening, you should try to ensure that the water pipes are insulated properly.
Your house may leak
Some people worry that ASHs may cause leaks in the walls of their houses. We haven’t found any reliable evidence to support this claim, but it’s worth checking this out for yourself.
Tips for Choosing the Right Air Source Heat Pump
We hope this has helped you understand more about ASHs. We’ve looked at both the advantages and disadvantages of these systems, as well as some tips for choosing the right one for you. Here are some things to bear in mind when considering purchasing one.
Choose the right size
If your property is big enough to accommodate an ASH, it will probably be worth it. The smaller the house, the less efficient your ASH will be. So, if you’re thinking of buying one, make sure that you measure the interior dimensions carefully.
Get quotes from three reputable companies
Before deciding on which company to hire, speak to several different ones. Ask each one three questions:
How long will it take?
What is the total price?
How much will it cost per month after the first year?
Once you’ve chosen the company you think is the best, ask them for a written quote. These should include all fees, such as installation, maintenance, and the cost of fuel used for the unit itself.
Check if the company offers warranties
Ask each contractor what kind of warranty they offer on their products. Some ASH manufacturers offer a free lifetime guarantee on their units, whereas others offer a standard two years. Make sure you check before you sign anything.
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Don’t forget about the environment
Another thing to consider is whether installing an ASH will benefit the environment. Many manufacturers now sell solar powered versions of their ASHs, which can help reduce CO2 emissions.
It depends on your local climate
Finally, it’s important to know what conditions are like in your part of the world. Different regions experience different weather, so you’ll need to find out what the average temperatures are like in your area, particularly during winter months.
