top of page

HVAC Design Examples

HeatLoss2.jpg

Calculations

Distribution Drawings

Building Permit

Contents

  1. Sample Heat Loss Gain Calculations

  2. How to Read a Heat Loss Gain Report

  3. Sample Distribution Layout - Duct Design, Radiant Layout, Electrical Plan

  4. Sample Building Permit Forms - Ontario Schedule 1, SB-12 EEDS

  5. Sample Ventilation Design

  • Mechanical Ventilation Design Summary​

  • Symplified HRV Design

  • Fully Ducted HRV

  • Ventilation Details

  • Mechanical Design Reports

Sample Calculations

1.jpg

Heat Loss Calculations

They are the basis for system design. Accurate calculations and analysis are necessary to correctly size system components. Comfort, efficiency and reliability are closely related to the correct sizing and selection of heating equipment. When equipment is oversized, efficiency is reduced, operating costs soar and climate control is lessened. Our HVAC Permit drawings calculate Heat Loss/ Gain using CAN/CSA-F280-12 in accordance with Ontario Building Code. 

More on Heat Loss Calculations

Sample Duct.jpg

Ventilation Design

Effective residential ventilation design is essential for maintaining a healthy and comfortable living environment. It ensures the circulation of fresh air, removes indoor pollutants, and regulates temperature and humidity. By incorporating a well-thought-out ventilation system, homeowners can enhance indoor air quality, reduce energy costs, and create a more pleasant atmosphere throughout their spaces. 

Sample Duct.jpg

Distribution Design

Encompass many factors of the design process. Consideration to Load Calculations, system zoning, duct (branch and trunk) sizing and structure layout.

All duct designs for HVAC Permit are developed in good engineering practice with reference to ASHRAE handbooks and

HRAI Residential Air System Design

Duct Design

bottom of page