Location
Your home
Sets insulation defaults for your era. Fine-tune in Refined mode.
Floor area
m²
Heated/cooled living space. Exclude unheated garage.
Typical older or builder-grade unit
Used to estimate hot water demand
Climate — Calgary, AB
5,000
Very cold climate
HDD base 18°C
-23°C
Very cold winters
Design temp
7°C
Cold tap water
Cold water
Results will use era-typical insulation values. Switch to Refined for better accuracy.