ALF 3.2 (Annual Loss Factor) – A design tool for energy efficient houses
ALF 3.2 (Annual Loss Factor) – A design tool for energy efficient houses
The ALF (Annual Loss Factor) tool is a free online aid to the thermal design of houses. It is presented in a step-by-step format providing a simple method of calculating the energy performance of conventional New Zealand houses.
ALF3.2 is a verification method for determining the Building Performance Index (BPI), which can be used to show compliance with the Energy Efficiency Clause H1 of the New Zealand Building Code.
Contact us at Branz for further information about the ALF 3.2: Annual Loss Factor.
Register now to create your free ALF account.
Every user needs to create an ALF account. Your MyBRANZ log-in can also be used if you have already created a MyBRANZ account. Creating an ALF account will ensure: