Heating Load & Heat Demand
Heating load and heat demand are the fundamental parameters for sizing heating systems and estimating energy costs. This article collection explains the principles of heating load and heat demand calculation according to DIN EN 12831, provides practical tips for reducing heat losses and highlights renovation potential.
Basics
Definition and calculation basics according to DIN EN 12831.
Read: What is Heating Load? →
What do the numbers from the calculation mean?
Read: Understanding Your Heating Load Calculation Results →Heat Losses
Heat losses through building components – walls, windows, roof and floor.
Read: Transmission Heat Losses →
Heat losses through air exchange and infiltration.
Read: Ventilation Heat Losses →
The most important building component parameter for thermal protection.
Read: The U-Value Explained →
Identifying and avoiding hidden energy wasters.
Read: Thermal Bridges: The Hidden Heat Losses →Optimisation
Selecting and optimising the appropriate heating surface.
Read: Radiator Optimisation: Efficient Heating with Correct Sizing →
Which heating system suits your building and heat pump?
Read: Underfloor Heating vs. Radiators: Which System Suits Your Building? →
Measures to reduce heating load.
Read: Renovation Recommendations: Learning from Your Heating Load Calculation →Calculator
Calculate the heating load and heat demand of your building with our Heating Load Calculator.