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Some of our customers

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Join over 400 manufacturers in more than 65 countries


Over 30 years of Engineering solutions


Unilab SRL is a 100% independent Heat Transfer Software Development Company with over 30 years of experience in the HVAC&R market. 100% independent means a lot to us, and especially to YOU. It means that we are 100% neutral, and free from any corporate participation of companies that could compete with you. Over thirty years of experience, not only theoretical and not only on software. We know heat exchangers very closely, we have an internal thermodynamic department, and we can guide and assist you. 


Software is a value that lasts over time: to accompany you into the future, choose only those who have a solid past and a neutral perspective. 

We provide cutting-edge technologies such as Heat Exchanger Design Software and Selection Software to HVAC&R manufacturers worldwide.

On our blog, you will find Tutorials, Case Studies written in collaboration with our longstanding customers’, and Articles about Thermodynamics, Engineering, HVAC Market Insights and other interesting articles!



Heat Exchanger Manufacturers

operating in the following markets: HVAC and Refrigeration, Energy and Power, Chemical/Pharmaceutical, Food & Beverage and Automotive.

HVAC Equipment Manufacturers

including Chillers and Heat Pumps, Close Control Units, Air Handling Units, Fancoil Units, Remote Condensers, Dry Coolers, Brine Coolers, DX Units, etc.

New Refrigerants

We share your values, especially when it comes to the environment. We are updating all of our 30 software products with the new REFPROP 10 library which includes new refrigerants like R32, R449A, R1234yf, R1234ze and many others.