Efficient Comfort | HVAC Resources for Professionals

HVAC Resources for Professionals

A collection of tools and information to assist in the design, installation, and service of HVAC systems, this site is a free educational resource to promote excellence in HVAC practices.

Calculators

Gain a better understanding of airflow, duct sizing and design, and psychrometrics, with a little help from the ASHRAE Handbooks and ACCA Manuals.

Experiment

Charts

For fixed orifice systems, charging information allowing for different indoor wet bulb conditions provides the most accurate comfort cooling refrigerant systems.

Research

Literature

Various documents collected from the Web, with links to their source so you can get even more information.

Links

Additional online resources, categorized for quick scanning.

Browse

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