RESIDENTIAL HEAT PUMPS

ASHP

Air Source Heat Pumps (ASHP) produce all of your heating and hot water using electricity instead of gas. They can do this using radiators or under floor heating systems. Heat pumps are particularly beneficial for properties without a mains gas connection or when used in conjunction with solar/battery systems. Oakray Renewables are experienced at installing heat pumps on commercial and residential properties registered on the Boiler Upgrade Scheme that can get a rebate of £7500.

Survey

Request a survey of the property, suitability and potential grants

QUOTE

Quote for heat pump and suitable system

DESIGN

Produce detailed design document and project plan

INSTALLATION

Installation performed by our qualified engineers, commissioned and handed over with documents

Heat Pump Q&A

Q.What are heat pumps?
A. Heat pumps produce all of your heating and hot water using electricity instead of gas. They can do this using radiators or under floor heating systems.
Q. Is my house suitable for a heat pump?
A. If your house doesn't have a gas connection (for example you currently us oil or night storage heaters) then a heat pump is a great option that will reduce your carbon footprint and running costs.

If you have a gas boiler coming to the end of its life, this is also a good time to consider a heat pump.
Q. Are grants available to cover the installation cost.
A. The boiler upgrade scheme is available and will provide £7,500 toward the cost of the installation.
Q. Will a heat pump work?
A. Heat pumps work best in well insulated homes. It may be worth while improving your houses insulation before installing a heat pump. A heat pump also needs to be sized correctly to ensure it produces enough heat for your property. We will perform an assessment and give you expert advice to ensure your heat pump and the radiators, underfloor are sized correctly and work efficiently.
Q. Is a heat pump cheaper to run?
A. It depends, if you are switching from oil LPG, night storage heaters or direct electricity will be. If you are switching from mains gas, you can make the heat pump cheaper to run by installing a battery to make use of cheaper overnight electricity and/or installing solar panels.
Q. How efficient is an ASHP?
A. Modern ASHPs have a COP (Coefficient of Performance) of around 3:1. This means for every kWh of electricity in, it will product 3 kWh of heat out. Broadly speaking, this means if electricity cost 3x more than gas, they will cost the same to run. There are several other factors that can affect the actual performance.
Q. Do ASHPs take a long time to heat up?
A. ASHPs are designed to be left on all day as the heat is produced gradually however once up to temperature, it will need less energy to keep the temperature up. They are therefore particularly good for properties occupied most of the day.
They also modulate the temperature to the heating system dependent on the external temperature.
Q. What do they look like?
A. Depending on the size, there is a a box about 1m high and wide that are installed outside your property. If you would like to see one you can visit are demo centre.
Q. Are they noisy?
A. There are around the same volume as rainfall. They can also be installed away from the property with a so-called split system.
Q. Can you control the heating for each room?
A. Yes, multiple temperature controls can be used for different sections of your house.
Q. Can you use ASHP for cooling?
A. Cooling is not covered by the boiler upgrade scheme.
Q. Will a ASHP lower my Carbon Footprint?
A. The carbon footprint of electricity is lower than from gas so switching from gas to electricity heating will lower your carbon footprint. It will lower it even more if you were using oil before.
Q. What is better, a GSHP or ASHP
A. Ground Source Heat Pumps (GSHP) can take heat from the ambient ground temperature instead of the air. In the past, the GSHPs have had a higher COP than ASHPs but they cost much more to install. However, the COP of ASHPs have improved recently meaning GSHPs are only required in specialist situations and larger properties.
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