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Full Description

Chvac - Commercial HVAC Loads *10 zone capacity* Chvac, from Elite Software, quickly and accurately calculates the maximum heating and cooling loads for commercial buildings. The cooling loads can be calculated with either the CLTD method or the new RTS (Radiant Time Series) method. The program allows an unlimited number of zones which can be grouped into as many as 100 air handling systems. Chvac automatically looks up all cooling load and correction factors necessary for computing loads.

In addition, it can look up outdoor design weather data for over 2000 cities located around the world. There is also provision for editing the weather data as well as adding data for other cities. Comprehensive reports list the general project data, detailed zone loads, air handler summary loads, outside air loads, total building loads, building envelope analysis, tonnage requirements, CFM air quantities, chilled water flow rates (if applicable), and complete psychrometric data with entering and leaving coil conditions.

Other outstanding features include ASHRAE Standard 62 analysis, automatic building rotation, 360 degree wall orientations, tilted glass, exterior shading, internal operating load profiles, variable indoor design temperatures, people diversity, pretreated outside air, seasonal infiltration and ventilation rates, reheat loads, duct gains and losses, and return air plenums.

Some features of CHVAC include:

  • Uses ASHRAE RTS or CLTD Procedures
  • Built-in Design Weather Data for Hundreds of Cities
  • Allows different summer and winter air rates
  • Provides a list of your favorite materials

System Requirements: Microsoft Windows 1995 or higher

Shipping Note:

  • When you purchase this 3rd-party software product, ASHRAE will process the transaction, and then it will be shipped directly from the software provider. Expedited shipping is not available.

There are Five versions available. They are broken down in zones. A zone is a single space or room, and they can be grouped into air handling systems which in turn make up the building. Zones can optionally be grouped under vav boxes as well. Please see the Related Products tab for links to the other versions.

This item is not an ASHRAE product.

Opened software cannot be returned for refund or credit.

Citation: Non-ASHRAE Software