BTU Calculator Lite - AC

BTU Calculator Lite is an essential tool for plumbers, builders, and DIY enthusiasts focused on heating and cooling sizing. This professional-grade extension helps determine the exact BTUs required for radiators and AC units based on room size and detailed parameters like room volume, window glazing type, wall insulation, and room position.

Advanced features include electricity consumption and cost estimates (monthly and annually), location-based climate data, and calculations for temperature increase or decrease. The app supports both imperial and metric units as well as Celsius and Fahrenheit measurements. Avoid undersizing or oversizing your heating or cooling systems by using this intuitive calculator to make informed decisions and design efficient thermal solutions. Please note that some premium features require an upgrade.