Orders: 800-648-9523
Tech Support: 979-690-9420


Elite Web Google

Video Demos

Residential HVAC Introduction
(1 minute)

Residential HVAC Demo Including Bill of Materials
(10 minutes)

Rhvac is powered by
ACCA Manual J

Rhvac and Manual D Ductsize are
powered by ACCA Manual D


Welcome to Elite Software
Engineering Design Software for Engineers, Architects and Contractors

Elite Software is the world's premier software developer for HVAC, electrical, plumbing, and fire protection design software. Over 30 programs are offered for such applications as HVAC load calculations, building energy analysis, HVAC duct and pipe sizing, plumbing & lighting design, fault current calculations, voltage drops, fuse and breaker coordination, and much more. Our HVAC software sets the standard for excellence and ease-of-use in the industry.

Favorites from Each Category


Rhvac - Calculate Manual J heating and cooling loads for residential buildings.

Chvac - Calculate ASHRAE based heating and cooling loads for commercial buildings.


Electrical Tools - Perform common electrical calculation and data look-up tasks.


Light - Design indoor lighting with zonal cavity calculations.

Fire Protection

Fire - Design and analyze fire sprinkler systems.


S-Pipe - Design and analyze domestic supply water piping systems.

Upcoming Events

» Check out our exhibit at the 2019 AHR Expo conference in Atlanta, Jan. 14-16, 2019.

Latest News

» Manual J Calculator Online is now available. [12/19/2017]

» Manual D Ductsize Online is now available. [9/20/2017]

» Manual S Calculator Online is now available. [9/8/2017]

» Rhvac Online is officially released, and subscriptions are now available. [7/10/2017]

Go here to register (It's FREE to use at the demo level): www.elitesoftapps.com

» Rhvac Online public beta is now available. [6/20/2017]

» New Chvac People Density Help window lets you choose from ANSI/ASHRAE Standard 62.1-2016 list. [10/17/2016]

» Price of Light program now reduced by $100. [10/28/2015]

» Showing Manual S Compliance in Rhvac is now easier than ever. [7/30/2015]

» HVAC Tools Version 4 is officially released. [1/16/2014]

» More...

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2700 Arrington Road, College Station, TX 77845-4491