Technical Support

CIBSE TM23 air leakage tests in the UK

In the UK, air leakage tests must be carried out in accordance with CIBSE TM23 on all buildings over 1000 m2 of gross floor area where construction began after April 2002. The TM23 standard requires a maximum allowable leakage of... read more

Duct Testing in California

Download Retrotec's field manual for _California Title 24 Testing_ using our R31 and Q32 duc-testers, read more