Built by a Red Seal Refrigeration Mechanic • Tools that keep up with the trade.
• Refrigerant diagnostics: PT charts, NRE calculations, and step-by-step tools for R-410A, R-32, R-454B, and more.
• Load & sizing: residential heat gain/loss and refrigeration load estimators.
• Electrical calculators: voltage drop, motor circuits, and compressor load tools.
• Field utilities: ChinookWatch pressure & weather alerts for working techs.
Based in Calgary, Alberta. Built by one Red Seal Refrigeration Mechanic for the trade — practical calculators you can use on the job, not generic web apps.
Canada-only during beta. The first 50 approved beta testers get free access to member tools and HVAC Lens. After 50, signup closes until beta is finished. Apply below to help shape the tools.