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HeatCAD 2023

HeatCAD and LoopCAD are now both available as the “MJ8 Edition” for the ACCA®-Approved calculation of Manual J® (8th Edition) residential heating and cooling loads.

Revision History
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Version 21.2.0496 (3/28/2024)
Thursday, March 28, 2024


  • Updated the components database to the February 2024 price list.

Version 21.2.0396 (12/22/2023)
Friday, December 22, 2023


  • Added submittal report wizard to the materials list.
  • Added optional title block.

Version 21.2.0296 (8/17/2023)
Thursday, August 17, 2023


  • Corrected 2" F1960 elbow and sleeve selection.
  • Corrected issues w/ 45 degree elbows incorrectly selected.

Version 21.2.0196 (7/14/2023)
Friday, July 14, 2023


  • Updated the components database.
  • Added RED-White EVERLOC+ Valves to the design and selection.
  • The 'New Project Wizard' was enhanced.
  • The default step for new projects was set to 'Settings' step.
  • Implemented fixture schedule pre-sets.
  • Added new multi-port tees.

Version 21.1.0196 (2/1/2023)
Wednesday, February 1, 2023


  • Updated the components database with the January 2023 Price Listing.

Version 21.1.0096 (10/7/2022)
Friday, October 7, 2022


  • Updated the components database with the July 2022 Price Listing.
  • Added the new F1960 tees, couplers and elbows to the design and selection.
  • Added 1:75 and 1:150 scale options for PDF imports.

Version 21.0.0296 (3/24/2022)
Thursday, March 24, 2022


  • Updated the components database to the February 28, 2022 Price Listing.

Version 21.0.0196 (9/17/2021)
Friday, September 17, 2021


  • Updated the components database to the August 2021 pricing.
  • Added the F1960 fittings to the design and selection.

Version 21.0.0096 (7/20/2021)
Tuesday, July 20, 2021


  • Updated the components database to the May 2021 pricing.
  • Added the new Polymer multi-port tees to the design and selection.

Version 20.0.0096 (11/24/2020)
Tuesday, November 24, 2020


  • Added functionality for typical units.
  • Added functionality to save and load fixture schedules.
  • Made some corrections to Component folders.
  • Added new Brass Closed-end Copper Multi-port Tees.
  • Added the functionality to save quote multipliers.

Version 19.0.0396 (4/15/2020)
Wednesday, April 15, 2020


  • Updated document links.

Version 19.0.0296 (2/24/2020)
Monday, February 24, 2020


  • Updated the components database with the January 2020 Price Listing.

Version 19.0.0196 (4/9/2019)
Tuesday, April 9, 2019


  • Added new including new tees, elbows, and 45 degree elbows.

Version 19.0.0096 (3/4/2019)
Monday, March 4, 2019

New and Enhanced Features

  • Updated to REHAU product and price list dated January 1, 2019.
  • Improved speed and performance.
  • New Copy Floorplan feature that lets you copy the entire floorplan including all plumbing system objects.
  • New custom Notes Library lets you save and reuse frequently used text and notes on drawings.
  • New feature to draw standalone Arrows on drawings.
  • New option for the Copy and Paste of Text Objects.
  • New option to select the units for the export to an AutoCAD (DWG) file.
  • New option to preview line thickness on the Drawing Output step.
  • Added slab PVC Bend Guide as an option to the materials selection for a fixture.
  • Added new fitting options for tub/shower diverter valves.
  • Fixed issue that would not allow copy of objects to a different floorplan at the exact same location.
  • The default fittings for select Fixture Types were updated.
  • The selected pipe on the Quotation Report is now sorted by size.

Version 18.0.0296 (12/6/2018)
Thursday, December 6, 2018


  • Fixed issues with display of warnings/errors list.

Version 18.0.0196 (9/12/2018)
Wednesday, September 12, 2018


  • Fixed issue where some riser piping was not included in materials list.
  • Fixed issue where quantity of larger diameter pipe could be overstated.
  • Fixed issue with "Min pipe size for elbow" setting.
  • Changed default pipe size for Bath Tub and Showers to ½" pipe.
  • Fixed issue where "Project Settings Changed" would incorrectly show when opening some projects.
  • Corrected the product category for Support Channel products.

Version 18.0.0096 (7/10/2018)
Tuesday, July 10, 2018


  • Release of REHAU Edition of PlumbingCAD.