Heat Pumps

HEATING AND HOT WATER

HEAT PUMP INFORMATION

  • HOW HEAT PUMPS WORK

    HOW HEAT PUMPS GENERATE HEAT FOR YOUR HOME

    Ground source heat pumps use pipes which are buried in the garden to extract heat from the ground. This heat can then be used to heat radiators, underfloor or warm air heating systems and hot water in your home.

    A ground source heat pump circulates a mixture of water and antifreeze around a loop of pipe – called a ground loop – which is buried in your garden. Heat from the ground is absorbed into the fluid and then passes through a heat exchanger into the heat pump. The ground stays at a fairly constant temperature under the surface, so the heat pump can be used throughout the year – even in the middle of winter.

    We work with both high and low temperature ground source heat pumps and air source heat pumps and so can design solutions for a broad range of buildings, from modern energy-efficient buildings to old stone buildings. Heat pumps can work in conditions as low as minus 20ºC. Heat pumps do use electricity, but are considered renewable energy technology as for every unit of energy they use, they will generate between 3 and 4 units.


  • IS MY HOME SUITABLE?

    DO YOU MEET THE HEAT PUMP CRITERIA?

    Heat pumps unfortunately aren’t suitable for every home. They work best in houses off the gas grid, or in new build premises. You also need plenty of outside space for the pipework (for ground source heat pumps); and a bit of space between you and your neighbours (for air source heat pumps). It is not advisable to install a heat pump into a poorly insulated building. Heat pumps heat water to a lower temperature than traditional boilers. As a result they are most suitable for extremely well insulated houses with underfloor heating. You can use a heat pump with radiators, but to get the same level of heat you will need larger radiators. Many older buildings are not energy efficient enough to use underfloor heating or low temperature radiators.

    For a ground source heat pump you need space outside to dig a trench, or sink a borehole, for the ground loop. A typical installation ranges from 6 to 12 kW in size. You’ll need trenches that are 1.5 to 2 metres deep and long enough to lay 50 to 80m of pipe per kW or 10m of slinky (coiled) pipe. As a rule of thumb, you'll need twice the area of the property for the ground arrays.
    Boreholes use less land, but are more expensive to drill. They tend to need between 20 and 50m of pipe per kW. Boreholes are usually 100 – 150mm in diameter and up to 120m deep. More than one pipe can be put in each borehole, but some systems will need more than one borehole.

    Because they do not take up much space, air source heat pumps are more likely to be used in flats and in urban areas, particularly in places where there is no mains gas supply, or to replace electric heating. The fan can be noisy, although this should be less of a problem than it has been in the past, as to meet permitted development rules noise from ASHPs must be below 42dB from a metre away.

  • FUNDING

    HEAT PUMPS AND THE RENEWABLE HEAT INCENTIVE

    There is currently a Renewable Heat Premium Payment grant of £1,300 (for air source heat pumps) or £2,300 (for ground source heat pumps) available from the Energy Saving Trust, which contributes towards the cost of installing a domestic heat pump system. This grant is currently set to be available until the 31 March 2014, subject to available funding. From Spring 2014, the Government are hoping to introduce a  Renewable Heat Incentive scheme, which will provide an annual payback and which will be available for those who previously received the RHPP grant, so long as their system meets the criteria. For more information the RHI click here.

  • HIGHEST RECOMMENDED

    Not only are we AWARD winning installers but because of the high quality of product and service we offer we are the highest recommend installer on independent site You Gen. Our customers have been kind enough to leave us exemplary feedback and with 213 reviews we are by far the highest recommended renewable energy installer in the UK.

HOW WE CAN HELP

WHY CHOOSE SUNGIFT

HEAT PUMPS FROM SUNGIFT

SunGift have designed and installed a large variety and number of heat pumps and heat distribution systems, including underfloor heating, throughout the South West and beyond. It is important to get specialist advice when considering a renewable heating installation, as some solutions will be more suitable than others, depending on the site in question.

  • Award winning installers
  • Highly qualified and experienced surveyors and engineers
  • Expert advice on your heating needs
  • First class service and aftercare

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MORE ABOUT HEAT PUMPS

  • Highly efficient heating systems, capable of operating at efficiencies of 250% - 450%
  • No need for fuel stores or fuel deliveries
  • Reduced running costs compared to oil, LPG and electric boilers
  • Potential income from the Renewable Heat Incentive
  • Reduced CO2 emissions
  • Fully automated controls that can be remotely operated from anywhere in the world

Heating Survey
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