Heat Recovery & Ventilation
Homeowners or Self Build
See how Greenworks can help you with your Heat Recovery
& Ventilation Installation?
Overview
Heat recovery ventilation systems work by both supplying and extracting air throughout your home, 24 hours a day, 7 days a week to give continuously good air quality.
Air is extracted continuously from the wet rooms in the house (I.e. the kitchen and bathrooms). This air passes into the ventilation device and over the heat exchanger unit, which can recover up to 93% of the heat in the air that would otherwise be lost.
At the same time, air is continuously drawn in from the atmosphere and ducted to habitable rooms (living rooms and bedrooms) to provide a balanced ventilation system.
These products can reduce the CO2 emissions of a dwelling by 'salvaging' and re-introducing heat into the property which would otherwise have been exhausted if you were using a conventional system without heat recovery. This energy saving contributes to a reduced DER (Dwelling Emission Rate) in SAP.
Benefits :
- Heat recovery uses just a few Watts of energy (<1W/l/s) to recovery many kiloWatts of otherwise lost heat from buildings through conventional ventilation. This means lower fuel bills and carbon emissions.
- Ensures less damage to the building structure from condensation and mould which would otherwise build up on today's air-tight homes.
- Delivery of fresh oxygenated air directly to living areas which increases cognitive performance and eases sleep.
- As part of the 2010 Building Regulations Approved Document L consultation workshop, it was pointed out that modern buildings can lose up to 25% of heat due to uncontrolled ventilation and air leakage. Heat recovery appliances can recover more than 90% of this heat.
Am I eligible?
Other Considerations :
- Units are low maintenance and can be located in the loft or an eye level cupboard, but access will be required to clean the filters.
- Heat recovery systems are best suited to new build projects as a network of ducting needs to be planned and care must be taken to ensure the system is air tight - A design and planning service is available from the central Greenworks office.
Funding and Grants
Although funding and grants are not available for heat recovery and ventilation, products do award points in the Code for Sustainable Homes. This category alone is worth 14%
Heat recovery and ventilation products are also used in Government Standard Assessment Procedure (SAP) appendix Q calculations for the energy rating of dwellings.
You can view or download the below brochures from Greenworks approved suppliers, before requesting an online quote.
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Please fill in the form below for one of our renewables specialists to contact you for a no-obligation initial estimate for your Heating Recovering Ventilation System.