Livento Life is an online resource offering free HVAC reference tools, technology calculators, and practical how-to guides. Its HVAC collection includes pressure-temperature charts for 92 refrigerants, with readings in °F/psig and °C/bar, as well as tools for calculating superheat, subcooling, target superheat, refrigerant charge, and pressure-temperature values. Users can compare refrigerants and review replacement options for common systems and refrigerants. The site also provides chiller tonnage and chilled-water pipe sizing calculators for HVAC and engineering work.

Beyond HVAC, Livento Life offers calculators for subnetting, Linux file permissions, Unix timestamps, download times, RAID capacity, and Ohm’s law. Its extensive library features more than 83,000 guides covering Windows, Excel and Office, Linux, Android and iPhone, Mac, programming, PLC and automation, networking and Wi-Fi, HVAC and chillers, and recipes. Articles provide step-by-step help with technical tasks, troubleshooting, and everyday fixes. With searchable tools and topic-based guides, Livento Life serves technicians, engineers, and general readers seeking practical online references.