Honeywell's Refrigerant Properties Software Suite makes it easy to design for and use today's environmentally friendlier refrigerants. This version allows you to generate pressure-temperature tables, obtain thermodynamic and transport properties, perform cycle calculations, and calculate line sizing. To download and install this free software, please complete the registration information below. Registration will allow us to notify you when free software updates become available. Please note that if you are using a pop-up blocker it may need to be disabled to complete the software download. Some browser settings may also prevent the download window from appearing properly. If you experience difficulty in downloading the application, please check your browser settings and verify that both "Automatic prompting for file downloads" and "File download" are enabled by checking your Internet Explorer security options. Following is the sequence of steps to accomplish this: From Internet Explorer: Click on "Tools" then "Internet Options" Click on the tab called "Security" Click "Custom Level" Scroll down to "Downloads" and ensure that "Automatic prompting for file downloads" and "File downloads" are "Enabled" Follow the prompts to download the software in zipped format.