Heat Loss — Architectural Project Tools

Model basis

Regional context

Input / display units

Internal design temp (°C)

External design temp (°C)

Air changes per hour

Advanced model and record details

Exercise title

Effective heat recovery (%)

Use zero unless effective design performance is supported.

Weather/source reference

Envelope assumptions U-values required

Wall U (W/m²K)

Roof U (W/m²K)

Floor U (W/m²K)

Window U (W/m²K)

Door U (W/m²K)

Assembly/source ref.

Model result

Add valid zones to calculate.

—watts

—BTU/h

—W/m²

—floor area

Zone	Area	Loss	Density

Design boundary: check weather data, exposure, thermal bridges, ground method, infiltration/ventilation, heat-recovery effectiveness, intermittent operation and emitter/system selection with the appropriate verified method.

Calculation method View formula, inputs and sources

Select an application type and calculate a result.

Method

—

Inputs used

Calculation trace

Assumptions and exclusions

Save / load

Name

Project

Saved data