Loading…
CompareOpen in App Store
★★★★★
Average rating on the App Store. Apple doesn't publish how many ratings each star has.
Where this app stands in Ireland, updated 13 Oct 2026
Top free
Not in this chart today
Top paid · All apps and games
#45 ▲24
| Date | Paid |
|---|---|
| 13 Oct 2026 | #45 |
| 10 Oct 2026 | #69 |
Best rank in each country today. Click a country to see its graph.
- Bug fixes to fix issues with failed BTU calculation result - Update to recent iOS
'Radiator Calculator' is the must have app for plumbers, builders or home DIY-ers. It quickly and easily allows you to calculate the ideal number and size of radiators for any room in the house. Room details can be edited or saved for later use. You can even email the room specification and results to yourself or your clients. The app lets you adjust the following features for each room: Room Type (e.g. Living Room / Kitchen) Dimensions (switch between Feet and Metres easily) Glazed Area Glazing Type Number of external walls Wall type Type of room below (e.g. heated/air gap) Type of room above