HRAI Digest 2017

What is this manual about?

This 2 volume set, referenced in Canada’s provincial and federal building codes as good practice for HVAC systems, is the most up to date HVAC technical material required for design and sizing of HVAC residential and small commercial systems. 

This is a must have compendium of HVAC technical material and worksheets providing municipal, provincial and federal officials, designers, installers and other members of the HVAC industry with accepted Canadian methods for proper design and sizing of residential and small commercial heating, ventilation and air conditioning (HVAC) systems. 

Since the first edition of the Digest was published in 1967, there has been increasing use and acceptance of the Digest’s content by the industry and by municipal, provincial and federal building officials.

HRAI is responsible for publication of the Digest and ensuring it contains the most current technical information concerning design and sizing of HVAC systems. 

In this digest, get technical material and worksheets for: 

  • Residential Heat Loss and Heat Gain Calculations 
  • Residential Mechanical Ventilation 
  • Residential Air System Design 
  • Residential Radiant Hydronic Design  
  • Residential Commissioning
  • Small Commercial Heat Loss and Heat Gain Calculations 
  • Small Commercial Air System Design

Who it is for?

HVAC Designers, HVAC Technicians, Building Inspectors & Students

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What is the cost?

Order your 2017 edition of the HRAI Digest 
$750 for HRAI Members ($900 Non-Members)   

Order Manual by Mail/Fax Order Manual Online


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