HeatCAD and LoopCAD are now ACCA®-Approved for Manual J®
residential heating and cooling
load calculations. The MJ8 Editions of these programs have been
specifically
designed for the newest Manual J Standard (8th Edition, Version 2.50) and have undergone
rigorous testing and review to ensure compliance and to attain the ACCA-Approved
status. Click here for ACCA's listing of approved software.
The implementations of Manual J in HeatCAD and LoopCAD are the advanced standard-compliant
calculations (not the Abridged Edition limited version). Our programs offer advanced
calculations and options such as block, room and peak loads, AED calculations and
graphs, October cooling load evaluations, and standard-compliant reports. And the
custom Manual J Review step provides an easy and fast way to check key data and
settings in your project design.
Users of the MJ8 Editions are strongly encouraged to purchase
a copy of the Manual J standard to use in conjunction with the software. In ACCA’s
words…
- Software is a powerful and useful tool, but it is not magic. If Manual J
software
is not used correctly it will produce an inaccurate and misleading answer, and those
that have not studied Manual J will not know the difference. [ACCA Manual
J 8th
Edition, Section 2‐5]
The Manual J Standard also includes important limitations and a defined scope of
applicability. It is critical that you understand what these limitations are and
how they apply to your work. A good starting point are ACCA’s “Do’s and Don’ts”
(Section 2-3), but a thorough understanding of the entire Manual J standard is required
for the proper use of these programs.
Visit the ACCA Online Store
for purchasing information for the
Manual J standard.
The following highlights key features in the MJ8 Editions for
both HeatCAD and LoopCAD. For a detailed comparison of features refer to the
HeatCAD Features page
or the
LoopCAD Features page.