Easy To Use
Commercial & Residential
HVAC Load Calculation Program
516 NW 20th
Oklahoma City, OK 73103

Heat Loss & Heat Gain

Quick, Easy & Accurate!

Residential & Commercial

HVAC Load Calculation Program


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QwickLoad Residential

QwickLoad Commercial



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QwickLoad Residential


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of the QwickLoad RESIDENTIAL 7.0

  • Qwick, Accurate and FAST Heat Loss and Heat Gain Calculations!
  • Clear and Understandable (intuitive) Screens for Entering House Information!
  • Extremely Simple to Use On-Screen Navigation!
  • Complete Support for BOTH IP (English) or SI (Metric) Units for All Inputs and Outputs!
  • Many Defaults Built-In the Program, so If You Don’t Know an Input, You’re Not Stuck, a Default is Automatically Displayed!
  • Simple to Use Construction Types for Roofs, Walls and Windows!
  • Input and Output Report Preview with One Button Click!
  • Complete and Easy to Navigate PDF User Manual, Bookmarked Throughout!
  • PDF User Manual is Full Color with a Multitude of Screen Captures!
  • House Construction Types are Presented Right On-Screen!
  • Complete File “Save,Save-As,Open,Close” Capability with One Button Click!
  • User Ability to Name Your Files Anything You Want!
  • Rooms (Zones) can be Added or Deleted with One Button Click!
  • Complete Air Conditioning and Heating System Control!
  • Complete Room or Zone Tree Control, so you can Easily Navigate your Zones, whether you have 1 or 10!
  • Can be used for Mobile Home Load Calculations as well!
  • Error Check Message Dialogs Clearly Describe the Error with Corrective Action!
  • Easy Load Check for Any of the Individual Zones Immediately!
  • Automatic Outside Air Summer and Winter Weather Design Temperatures Built-In the Program for Easy Automatic Location Selection!
  • One-Button Calculation allows you to View the Building Load as You Add Zones and/or Components!
  • Easy to Read Load Calculation Report allows you to Quickly Review the Entire Building Load, making it Easy to See any Errors or Missing Data!
  • With One Button Click, Report is Viewed, Printed or Saved as *.RTF file which can be opened / edited with Word (or any other editor)!
  • Calculation basis is the very accurate ASHRAE (America Society of Heating, Refrigeration and Air Conditioning Engineers) "Transfer Function Method" (TFM) which can be ran "Room-by-Room" or "Whole House - Single Zone" for Super Qwick Estimates!
  • Calculate virtually any Construction Type U-Values on the Fly in seconds with a Custom U-Value / R-Value Calculator
  • Rotate the Entire House or Building (All rooms or zones) with One Button Click!



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