What is a heat pump?
A heat pump is a device that is designed to use a refrigeration cycle to effectively transform low-temperature energy into higher-temperature energy. In fact, ground source heating system heat pumps are up to four times more energy efficient than the most efficient oil and gas boilers. These devices move heat that already exists rather than producing emissions that contribute to global warming through producing emissions caused by burning a fuel.
Ground Source Heating Systems
Ground source heating systems are electrically powered and work by tapping the natural heat that is stored in the earth to heat your home. In addition to heating your home, a heat pump can also cool your home during the summer months, as well as heating your swimming pool and your domestic hot water.
How Does It Work?Heat pumps move energy from one place to another, similar to the way your fridge works. A ground source heating system transfers heat from where it is stored in the earth, into your home; and the heat removed from the ground is naturally replenished by the sun.
How The Heat Pump System Transfers Heat From Your Garden Into Your Home
The heat from the sun is absorbed and stored by the earth. The system extracts this heat from the earth using, for example, a ground loop. This is a continuous closed loop made of a special kind of piping that is buried in the ground, in your garden. As water circulates through these underground pipes, it absorbs the heat from the earth surrounding the pipe. A heat pump inside your home is connected to this ground loop; and as the water reaches your home, the pump transfers the heat from the water into your heating circuit.
How Are The Loop Pipes Installed?
There are two options for installing the ground loops: Installing them in bore holes of up to 90m deep; or burying them in trenches measuring up to 2m deep. The method that will be used for your ground loop will depend on the amount of space available in your garden, but both methods are equally efficient.
Keeping Your Existing Radiators
You will be able to use radiators and under-floor heating to distribute heat throughout your home. While the best option for optimal efficiency and benefit for a heat pump would be under-floor heating, you could also use extra or oversized radiators.
How Do You Know If a Ground Source Heat Pump Would Work In Your Home?
There are a few points to check before you begin looking at ground source heat pumps in detail, in order to make sure your house is suitable for this option of heating. For example, Do you have enough space just outside your home for a bore or trench to be dug? You will also need to make sure that the ground is suitable for digging.
What Exactly Is an Air Source Heat Pump?
A device that is able to absorb heat from the outside air, and then deliver this heat within the interior of buildings, is called an air source heat pump. There are actually a couple of types of air source heating systems available today. First of all, there are air to air systems which are able to provide warm air, that which is circulated to heat an entire building, and air to water systems which also accomplish a similar task, heating water which can provide both heating and hot water for buildings via radiators, or and underfloor system in the building itself.
Are They Very Efficient?
If you have an electrically heated home, if these units are installed, based upon figures that were obtained from the Energy Saving Trust, these air source heat pumps could actually help save £870 every single year on heating bills as well as prevent the release of 6 tonnes of carbon dioxide throughout the year. This savings will of course vary depending upon what type of fuel is actually being replaced.
How Do They Actually Work?
An air source heat pump is a device that has three primary parts:
There is the evaporator coil which is able to absorb heat from the outside air; the compressor pumps a type of refrigerant through the heat pump, then compresses the gaseous refrigerant to the proper temperature for heat distribution; and, the heat exchanger will then transfer the heat made available through the refrigerant to either air or water. The air-to-water system will then make it possible for the heat to be used to heat water which can preheat water within a storage tank, or it can circulate through the underfloor of a building or can simply be redirected to radiators. He pumps will produce very hot water which will actually be at a lower temperature (typically 35-45o C) than what is typical of standard boiler systems, which then will make the underfloor heating very effective. Additionally, the air-to-air system can be used to produce warm air which is circulated by fans that are part of the system that can heat an entire building.
Can Air Source Heat Pumps Work in a Residential Home?
Here are a few things to consider before using an air source heat pump in this capacity:
First of all, you will need on an external wall which is going to be outside of your house to place the evaporator coil; because it will be at a lower temperature in comparison to traditional boilers, your home must be insulated. These are measures that must be taken to make the system much more efficient; you also need to think about the fuel but is being replaced: if it's electric, coal, or oil, it is going to be much more favorable than using gas. On the other hand, he pumps are a very good option where gas is concerned, if it is unavailable.
Do you need back up heating for additional water or space heating?This will really depend upon your heating needs in comparison to the size of the system that you install; and, Is your home currently being completed? If this is the case, it will be much cheaper to install an air source heat pump, along with underfloor heating systems, during the construction stage instead of waiting until everything is complete.
Exactly how much will it cost to get your air source heat pump installed in my home and what will the costs actually be?
If you want to install one that is typical, suitable for a four bedroom home, the cost is going to be around £5000 to £9000 which will also include the installation cost. The operating costs will depend upon the size of your home and also how efficient the insulation actually is.
We are group of experienced heat pump installers and heating engineers with a passion for renewable energy and sustainable construction. Our group of heat pump installers hold a range of different accreditation and certifications.
Our heat pump services and solutions are cost effective and we draw on the wealth of experience and knowledge of our intallers to meet the specific requirements of our customers. Our heat pump systems are designed and installed to the highest of standards and delivered and installed on time. We understand what it takes to make the customer happy and we pride ourselves on our customer's satisfaction. We will always be professional, polite, courteous and helpful.