I will do thermal bridge calculations using therm or autopsi

I calculate linear thermal transmittance (psi values), temperature factors (fRsi) and element U values for building junctions using LBNL THERM and AutoPSI, modelled to BS EN ISO 10211 and BR 497 conventions.

WHAT YOU GET

Psi value (W/m·K) for each junction, external dimension system

Temperature factor fRsi with pass/fail against the 0.75 (dwellings) /

 0.50 (non-residential) surface condensation criterion

U value of each element to BS EN ISO 6946 (windows to ISO 10077-2)

Colour isotherm and heat flux plots for every junction

Native THERM (.thmx) / AutoPSI files on request so your team can reuse them

TYPICAL JUNCTIONS COVERED

Ground floor to wall, intermediate floor, eaves, verge, gable, party wall, corners (inverted and normal), window and door jambs, sills, heads, lintels, balcony and canopy penetrations, steel and timber frame details, curtain wall and facade joints.



STANDARDS AND SCHEMES

BS EN ISO 10211, ISO 6946, ISO 13788, ISO 10077-2, BRE IP 1/06, BR 497,

SAP 10 / SBEM Appendix K, Irish DEAP / TGD Part L, NCC 2022 (Australia),

ASHRAE 90.1 and NFRC-style window modelling.