2
HVAC Computer Systems Ltd.
54
Commercial
All construction data is presented on screen, in english, no code numbers.
5
Taco Inc.
418
Freeware
Design HVAC systems and perform design calculations and changes.
Elite Software Development, Inc.
133
Shareware
The HVAC Tools program allows the quick calculation of HVAC design tasks.
2
Elite Software Development, Inc.
282
Shareware
Draw schematic diagrams and prepare database of HVAC system.
5
Media Freeware
843
Freeware
Allows users to open and view XLSX files without any intermittence.
1
Professional Estimating Systems
81
Shareware
Pro-Est HVAC is the complete HVAC estimating program.
Birdie Software
57
Shareware
Easily read XLSX files with the help of XLSX to XLS Converter.
36
SysTools Software
126
Shareware
SysTools XLSX Recovery is a reliable solution to recover corrupted XLSX files.
Corrupt XLSX File Recovery
Shareware
Perform quick corrupt XLSX file recovery by bringing into use XLSX Recovery tool.
WindowIndia
11
Shareware
Converts multiple xls and xlsx files into xlsx, xlsb and xls files.
The C# XLSX Library
Shareware
Create xlsx files in C# as well as convert xlsx to xls using C#.
BitRecover
Shareware
Upgrade your XLS file to XLSX and downgrade XLSX to XLS without Excel app installation.
2
Mainstream Engineering Corporation
366
Freeware
Open Book HVAC Certifications software for EPA certifications.
1
Software Advice, Inc.
49
Shareware
QuoteExpress SheetMetal is the premier HVAC and Mechanical estimating programs.
15
Carrier Corporation
1,113
Demo
Block Load is a powerful, fully featured HVAC load estimating program.