SAP Appendix Q Accredited Ventilation

SAP Appendix Q Accredited Ventilation20/06/2012

Following the government’s ambitious target of an 80% reduction in carbon emissions by 2050, the need for reducing the carbon impact of dwellings has never been more important. The Standard Assessment Procedure (SAP) is the Department of Energy & Climate Change’s (DECC) methodology “for assessing and comparing the energy and environmental performance of dwellings.”

SAP: Explained Further

The DECC describes SAP as “assessing how much energy a dwelling will consume and how much carbon dioxide will be emitted in delivering a defined level of comfort and service provision, based on standardised occupancy conditions. This enables a like for like comparison of dwelling performance.”

Originally based on the BRE’s Domestic Energy Model, the SAP methodology provides a framework for determining the energy consumption of dwellings. SAP first appears in 1994’s Part L of the Building Regulations (England and Wales), before Reduced Data SAP (RSDAP) was introduced in 2005, “as a lower cost method of assessing the performance of existing dwellings.”

Ventilation for SAP: EnviroVent’s SAP Accredited Products

With increasing pressure to meet the required ventilation rates according to the Building Regulations and the Code for Sustainable Homes, EnviroVent’s experienced team of system designers can ensure that the most suitable and effective ventilation solution is correctly specified to comply with all governmental regulations. As the introduction of SAP ratings are a compulsory part of the Building Regulations Part L and the SAP Appendix Q database, all EnviroVent’s mechanical ventilation systems have been independently tested by BRE and are included in the SAP Appendix Q database.

Our whole house MVHR products, energiVent® FLOW, the IDEO and COMPAKT are SAP eligible. They all offer a high level of thermal efficiency and work by extracting stale, moist air from the wet rooms of the home. This extracted air passes over a heat exchanger before reaching atmosphere. At the same time, fresh air is drawn into the unit from outside, and is warmed by the high efficiency heat exchange cell. The fresh, tempered air is then delivered into the living areas of the property through supply vents, creating an ideal, healthy all year round living environment.

What’s more, our Mechanical Extract Ventilation (MEV) products are also SAP accredited and provide dwellings with all good indoor quality all year round. EnviroVent’s Construction Division Team can provide expert advice and recommendations as to which energy efficient ventilation product can help to improve on your overall SAP rating, whether this be heat recovery, MEV or PIV.


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