SAP Calculation Service


Passivent offer a range of products which can help reduce Dwelling Emission Rates (DER) in line with Building Regulations Approved Document L and The Code for Sustainable Homes.

SAP calculations are also available from Passivent. If you would be interested in this service, please contact the Passivent Technical Office on 01732 850 770.

Passivent offer a wide range of natural and energy efficient ventilation solutions, which can help to reduce Dwelling Emission Rates. The range includes intelligent Passive Stack Ventilation, a natural solution consuming no electricity, fully automatic and highly energy efficient intelligent Mechanical Extract systems, and low energy Possitive Input Ventilation. 


Providing they are selected at the start of the calculation form, all of these DER reducing products can be incorporated into the SAP calculation for the standard fee.