🇨🇦 Built for Canadian professionals

Canadian Load Calculators

What size furnace do I need? What wire gauge? How much can my deck hold? Free answers built to CEC, NBCC, and CSA standards.

Furnace SizingElectrical LoadAxle WeightCircuit BreakerBeam SizingWire Size
13free calculators
10provinces covered
CEC · NBCC · CSACanadian standards
No signupfree forever
CEC 2021

Electrical

Wire sizing, circuit breakers, load calculations, voltage drop — all per the Canadian Electrical Code.

All Electrical tools
NBCC 2020

Structural

Beam sizing, roof snow loads, deck capacity — built to the National Building Code and CSA O86.

All Structural tools
CSA F280

HVAC

Furnace sizing and cooling load for Canadian climates — city-specific design temperatures across all provinces.

All HVAC tools
Provincial Regs

Trucking

Axle weight limits by province and season — covering all 10 provinces including spring restrictions.

All Trucking tools

Built to these Canadian standards

CEC 2021
Canadian Electrical Code
NBCC 2020
National Building Code
CSA F280
HVAC design loads
CSA O86
Engineering design in wood
Provincial
Trucking regulations