BTU Calculator - AC and Heating
Productivity
Professional tool for heating and cooling sizing - AC/ Radiator
- Rating
- 3.6
- 39 ratings
- Downloads
- 888+
- on Google Play
- Price
- $19.99
- No in-app purchases
- Updated
- Aug 24
- 2026 · vBTU Calc v2.6.12
Screenshots
About BTU Calculator - AC and Heating
This application is a must for any plumber, builder or home DIY enthusiast, in fact anyone who wants to find out what radiator or AC BTU's are required for a particular room size.
Wether you have existing radiators and want to check that they are the correct size or if you are adding a new radiator to a room - this is the application for you.
⭐⭐⭐ BTU Calculator Features ⭐⭐⭐
* Basic Calculations
* Advanced Calculations
* Electricity consumption and cost (monthly and annual) for your system
* Location based climate data
* AC or Heating Calculations for temperature increase/ decrease
* Room volume
* Room use
* Double glazing plastic/ metal/ wooden frame windows
* Single glazing metal/ wooden frame windows
* Insulated/ uninsulated walls
* Room position
The simple yet intuitive interface allows you the choice of measurements in feet or meters, Celsius or Fahrenheit degrees.
This calculator has the added benefit of showing you the BTU required and also the kW required.
Thank you for using our app!
Wether you have existing radiators and want to check that they are the correct size or if you are adding a new radiator to a room - this is the application for you.
⭐⭐⭐ BTU Calculator Features ⭐⭐⭐
* Basic Calculations
* Advanced Calculations
* Electricity consumption and cost (monthly and annual) for your system
* Location based climate data
* AC or Heating Calculations for temperature increase/ decrease
* Room volume
* Room use
* Double glazing plastic/ metal/ wooden frame windows
* Single glazing metal/ wooden frame windows
* Insulated/ uninsulated walls
* Room position
The simple yet intuitive interface allows you the choice of measurements in feet or meters, Celsius or Fahrenheit degrees.
This calculator has the added benefit of showing you the BTU required and also the kW required.
Thank you for using our app!
What’s new
Version BTU Calc v2.6.12 · Updated August 24, 2026
✓ New Interface with a lot of additional functionalities ✓ PDF Export, CSV Export ✓ Heating and Cooling Systems: Heat Pumps, AC, Electric Heaters, Oil Furnace, Gas Furnace, Wood Furnace ✓ Performance improvements ✓ Bug fixes Thank you! PV Solcast Team pvsolcast.com
User reviews
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| App | Rating | Price | Installs | Last updated | Compare |
|---|---|---|---|---|---|
| BTU Calculator - AC and Heating | 3.6 / 5 | $19.99 | 500+ | Aug 24, 2026 | |
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| Speedometer and G-Force meter | 4.2 / 5 | Free | 10,000+ | Jul 26, 2026 | Compare |
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