Life & fun · September 22, 2025
HeatWise HVAC
Load calculations for professionals
HeatWise HVAC launched on September 22, 2025 with 6 votes, #3,421 of 8,160 launches that month. The site was still online in September 2026, 1 year on.
What it does
HeatWise is an online HVAC load calculator for mechanical engineering professionals. It is the first web-based load calculator that supports full, ASHRAE-standard load calculations for commercial buildings. Built for firms and consultants.
HeatWise HVAC - HVAC load calculator for engineering professionals.
HeatWise gives engineering firms and consultants fast, accurate heating and cooling loads for commercial and residential buildings — built on ASHRAE methods and running entirely in your browser. 1,200+ Projects created 650+ Accounts created 288 Hourly samples / run 1,280 Weather stations What is HeatWise A load calculator that respects your time HeatWise is web-based load calculation software for HVAC design professionals. It handles the ASHRAE bookkeeping so you can size equipment with confidence and move on to the rest of the project. A load calculation tool made for the people who do this work every day, not a homeowner utility. Familiar territory if you've used Carrier HAP, Elite CHVAC,…from heatwise-hvac.com
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