What is SAP?

SAP - Standard Assessment Procedure

SAP is the Government's Standard Assessment Procedure for Energy Rating of Dwellings. SAP 2009 is adopted by government as part of the UK national methodology for calculation of the energy performance of buildings. It   is used to demonstrate compliance with building regulations for dwellings - Part L   (England   and Wales),   Section 6 (Scotland)   and Part F (Northern   Ireland) - and to provide energy ratings for dwellings.


Appendix Q of SAP is the route through which information, including, but not limited to product performance data, is made available to energy performance assessors that was not available when SAP was published.  It is also the means by which test and calculation methodologies can be agreed that can be used to measure product performance, and when and how that performance can be treated in SAP.


Click here to find out more about SAP


Achieve code for so much less!

Where does Recoup WWHRS Score within SAP?

WWHRS scores within ENE1 - Dwelling Emmission Rate


In fact a Waste Water Heat Recovery System attached to a shower is actually one of, if not the best £ for point product within SAP.


Scores can vary depending on house type and build, but you can be sure of achieving between 3% & 9% (commonly around 5 to 6%) for an incredibly low product and install cost.


Each house type is different, but WWHRS can be modelled effectively using the following information:


  • More than one shower can be fed into a single unit
  • If more than one unit is being used, one of the units must be installed using System B, as it is not possible to have two systems installed under A or C - remember, Recoup have all their products and install variations listed on SAP
  • Installing a system with a shower over a bath, scores less than installing it with a shower over a tray
  • SAP 2012/13 will change when using WWHRS with a shower over a bath, as the ratio of household baths to showers is due to be adjusted in line with recent research


SAP Assessors will be able to model our products by using the usual SAP software. Please refer to Table 351.


Click here to ask us the most effective way to model our systems for your project

You no longer need to struggle to make code...

All our products have been through this process and have been uploaded to the SAP 2009 PCDB. This is great news for for house builders, developers, housing associations, councils or any organisation seeking to achieve high SAP points for minimal investment.


 As our Waste Water Heat Recovery Systems for Showers cover a multitude of applications, we will always have a solution for your your project. Be it houses, apartments, leisure clubs, hotels or student accommodation, you can be sure of high efficiencies, validation, accreditation, quality and support.


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