Heat Recovery & Ventilation
Trade
Whether you are an installer or a dealer, learn more about Greenworks systems, accredited training courses & download technical specifications
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.
Other Considerationa :
- 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.
Course Overview
Training courses for Heat recovery and ventilation at Greenworks Training Academy are currently under review. New courses will be added to the Academy prospectus soon.
For more information and to download the prospectus click here.
Installer Tips
Heat recovery and ventilation systems don't weigh a lot and are compact for a simple installation. They should be planned in at first fix stage if possible.
A free design service is available through Greenworks and Jewson.
The level of effectiveness of the system depends on the level of air tightness in the building.
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.