HeatWise HVAC HeatWise

Tutorials

Here is a collection of HeatWise tutorials, made by us, to help you get started. Many users get started without any tutorials, but they're here if you want some extra help.

Commercial Project Tutorial
★ Featured

Commercial Project Tutorial

This video tutorial walks you through calculating loads for a commercial project, start to finish.

Watch on YouTube
Residential Project Tutorial
★ Featured

Residential Project Tutorial

This video tutorial walks you through calculating loads for a residential/house project, start to finish.

Watch on YouTube
Windows Guide

Windows Guide

This video tutorial digs deep into HeatWise's window inputs and outputs.

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Walls and Roofs Guide

Walls and Roofs Guide

Deep-dive into specifying walls and roofs in HeatWise.

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Importing Project Data

Importing Project Data

Import component data into your project from Excel files.

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Psychrometric Charts Explained: Fundamentals

Psychrometric Charts Explained: Fundamentals

The basics of reading and understanding a psychrometric chart.

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Psychrometric Processes

Psychrometric Processes

Visualizing and understanding psychrometric processes.

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Psychrometric Equations

Psychrometric Equations

Analyzing psychrometric processes with the proper equations.

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Psychrometrics Full Example

Psychrometrics Full Example

Walking through a complete psychrometrics exmaple.

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ASHRAE 62.1 calculations

ASHRAE 62.1 calculations

Full tutorial on ASHRAE 62.1 Ventilation Rate Procedure calculations

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More Resources

Load calculation references

  • Residential load calculations — ASHRAE Fundamentals Handbook, Chapter 17
  • Ontario residential standard — CSA F280-12
  • Commercial load calculations — ASHRAE Fundamentals Handbook, Chapter 18
  • Psychrometrics — ASHRAE Fundamentals Handbook, Chapter 1
  • Solar calculations & weather data — ASHRAE Fundamentals Handbook, Chapter 14
  • Glass calculations — ASHRAE Fundamentals Handbook, Chapter 15
  • Load calculation procedure — ASHRAE Heating and Cooling Load Calculation Manual
  • Infiltration — HVAC Guide Chapter 6; ASHRAE Fundamentals Chapter 16
  • Stack effect — ASHRAE HVAC Applications Handbook, Chapter 4
  • History of load calculation procedures →
  • Psychrometric charts guide →

Other load calculation software