Mechanical - Plumbing Software for HVAC, Plumbing, Gas, Water, Duct, Psychrometric

Welcome to LSmith Software

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Engineering Design Software for Students, Designers, Engineers, Architects and Contractors. LSmith Software is devoted to developing software for HVAC, Plumbing and Civil Engineering professionals. All programs are developed by Registered Professional Engineers with many years of experience in the design and construction phases of projects.

Category's

Calculator programs

Purpose: The purpose of creating this type of program is to reduce the overall time spent designing systems. The result is a reduction in time required to look up the engineering information from charts and books. The software is reasonably accessible from the desktop or laptop computer at the designer's and engineer's fingertips. Therefore, the expenditure for the software has a payback of less than one hour of an engineer's billing time.

HVAC | Plumbing

Main Programs

Purpose: The purpose of creating these types of program is to reduce overall time spent designing systems. The result is a reduction in time required to look up the engineering information from charts and books, and in producing the extremely complex computations involved with network analysis of system components and arrangements. The software is reasonably accessible from the desktop or laptop computer at the designer's and engineer's fingertips. Therefore, the expenditure for the software has a payback of less than one day of an engineer's billing time, on an average.

HVAC |Plumbing

   Demonstration and Full Programs

All of the above programs are available in both full and functional demo forms. Functional demos of each program can be downloaded free of charge by clicking on "Demos" from the download page. Downloaded demos do have on-screen manuals.  If you want a CD with the demonstration program, it must be ordered in the same fashion as a full program which is explained below.  Please note that demonstration software is $20 plus shipping. 

   How To Order Methods

To review the ordering methods, click on the "How to Order" button to the left.

  Customized Software

LSmith Software ships all software, both demo copies and full copies, ready to print reports with your company name, address, and city state/province shown in appropriate report sections. This information is encrypted into the software and cannot be removed or changed by the end user. 

  Unlocking Demo Software

Functional demo software shipped directly from LSmith Software can be "unlocked" into the full version of the software. Unlocking software means that you type in the correct password (given to you by LSmith Software when you elect to license the software) at a certain location in the program. Typing the correct password removes the limit on the size of the project that can be calculated for. Downloaded demos from LSmith Software's web site cannot be unlocked because those demos do not contain your specific company name and address. See the Customized Software section above. However, if you are using a downloaded demo and you would like to start using an unlocked full copy as soon as possible, LSmith Software can arrange to quickly send you a company-specific full copy of the desired program via e-mail once payment has been received, usually faster but at least within one business day. 

  Software Returns

LSmith Software does not allow software returns or exchanges for any reason. If you have any doubts about whether a program is suitable for you, you should first obtain a functional demo copy of that program before ordering the full version. Keep in mind that a functional demo is the full version of the program only with limits on the size of the project that can be calculated. If a functional demo does not do what you want, neither will the full version because they are one and the same. 

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