T1Open
Window installation thermal bridgesReport the installation Ψ of your windows at head, jamb and sill. Pick the case from published catalogues, compare it with your own detail and download a clear report.
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Thermal bridges, building fabric, MEP, PHPP and DesignPH: the tools we built for our own design, certification and training work. Learn, document and calculate your projects with them.
TThermal bridges
BBuilding fabric
MMEP and services
PPHPP helpers
DDesignPH add-ins
CCertification aids
StandardsCalculations follow the relevant standards, and every report cites its references.
PrivacyIn Learn and Document, your data stays in your browser. Designed for UK and EU GDPR.
ExperienceBuilt from our own work in consultancy, design, testing, certification and training.
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Tools by theme
T1 is open now. The others are coming soon: join the waiting list to hear first.
T
Thermal bridges
Junctions, window installation and repeated bridges.
T2Coming soon
Thermal bridge modellerDraw a junction once and export it to THERM. Get the equivalent U of repeated modules such as studs, brackets and fixings.
T3Coming soon
Thermal bridge lengthsMark the thermal bridges on your model and get the total length per type, with segments grouped and labelled for PHPP.
B
Building fabric
Layers, build-ups and surfaces.
B1Coming soon
Equivalent λ of a bridged layerA frame or fixing through the insulation changes the λ to use in PHPP. Get the equivalent λ, with the ISO 6946 value beside it. Calculate adds the build-up U-value, ΔU and fRsi.
B2Coming soon
Absorptivity and emissivityPick the colour or material of an exterior surface and get its absorptivity and emissivity for PHPP, with the PHI cool-colour check.
M
MEP and services
Ventilation, heating and hot water design.
M1Coming soon
MVHR designPlace terminals on your plan and get the PHI design flows and an A3 sheet. Add duct speeds, pressure losses and valve settings when you need them.
M2Coming soon
Underfloor heating designLay out underfloor heating on your plan from a product catalogue and see the output per room.
P
PHPP helpers
Inputs and outputs for your PHPP.
P1Coming soon
Isotherm AtlasThe graphic atlas of your Passive House, drawn from its PHPP. A clear set of sheets to explain the design.
D
DesignPH add-ins
Reports and drawings from your DesignPH model.
D1Coming soon
Tapping points reportGenerate the report of tapping points straight from your DesignPH project.
D2Coming soon
DHW documentationDraw the pipe routes for heating distribution, DHW circulation and individual pipes, and get the lengths per system.
D3Coming soon
Vn50 modellerModel the airtight volume room by room, work out the Vn50 and export it in the room data format.
D4Coming soon
TFA check and room namesCompare the TFA with your area schedule and detect room names from PDF drawings.
C
Certification aids
Evidence and statements for your certification file.
C1Coming soon
Site evidenceCollect the site evidence an assessor asks for, stage by stage: photos, site visits, window and door checks and handover documents.
C2Coming soon
Summer comfort statementExtract the summer comfort strategy statement from your PHPP data, aligned with the Passivhaus Trust template.
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