Delta T

Delta T: Open-Source Web-Based HVAC Design Software

Open-source, web-based HVAC design software for consulting engineers, performing detailed calculations for loads, systems, and equipment, aiding LEED certification and compliance.

What is Delta T?

Delta T is an open-source, web-based HVAC design software application targeted primarily at consulting engineers. It enables users to perform detailed calculations for heating and cooling loads, HVAC systems, and equipment selection. Some of the key features of Delta T include:

• Ability to calculate heating and cooling loads based on ASHRAE standards
• Model various HVAC system types like VAV, CAV, radiant, etc.
• Select HVAC equipment like chillers, boilers, air handlers, terminal units, etc.
• Check compliance with building energy codes and standards
• Generate LEED credit reports
• Accessible via web browser on desktop, tablet or mobile
• Free and open-source under Mozilla Public License

As an open-source application, Delta T provides transparency into calculations and methodology. Its collaborative development model allows the software to continuously expand capabilities and improve accuracy over time. Consulting engineers can leverage Delta T to produce detailed HVAC designs and analysis to meet code and green building certification requirements.

Delta T Features

Official Links