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Latest Updates
New tools and features we've shipped recently.
Radiator Pro Calculator
5-step professional radiator sizing with 3D room visualisation, precise heat loss calculations and smart product recommendations.
AC Sizing Calculator
Free BTU/h & tons estimator for summer 2026. Instantly find the right air conditioning unit for any room or building.
Professional PDF Reports
Detailed heating analysis reports with cost breakdowns, ROI projections and implementation guides. In 13 languages.