Heatloss Calculator & Guide

Installs

Rating

3.8

Rating count

< 100

Category	Tools
Developer	Mr Jerzy Ryczard Staszak
Price	4.99
First release	2/17/2012 (13 years ago)
Version	2.11
In-app purchases	No
Contains ads	No
Content rating	PEGI 3
Package name	com.mrcombi.radiatorfull

View on Play Store

Core Metrics

Data Breakdown

Date	Rating Count	Average Rating	Installs	Version
7/21/2025	33	3.800	5,020	2.11
7/20/2025	33	3.800	5,020	2.11
7/19/2025	33	3.800	5,019	2.11
7/18/2025	33	3.800	5,018	2.11
7/17/2025	33	3.800	5,018	2.11
7/16/2025	33	3.800	5,018	2.11
6/24/2025	33	3.917	5,000	2.11
6/23/2025	33	3.917	5,000	2.11
6/22/2025	33	3.917	4,999	2.11
6/21/2025	33	3.917	4,999	2.11
6/20/2025	33	3.917	4,998	2.11
6/18/2025	33	3.917	4,996	2.11
6/15/2025	33	3.917	4,993	2.11
6/14/2025	33	3.917	4,994	2.11
6/13/2025	33	3.917	4,993	2.11
6/9/2025	33	3.917	4,990	2.11
6/8/2025	33	3.917	4,986	2.11
5/29/2025	33	3.917	4,986	N/A
4/10/2025	33	3.917	4,948	N/A
4/6/2025	33	3.917	4,946	N/A

Details

The Heatloss Calculator & Guide from Mr Combi Training 
includes three useful calculators:

• Heatloss calculator - finds the heatloss from a room
• Radiator calculator - estimates a radiator's length/output
• Converter - quickly converts between Watts and BTU/h

Heatloss Calculator:
This easy to use calculator lets you enter the details for a room, with dimensions in metres or feet, and it will then will calculate the heatloss in Watts and BTUs per hour. The desired room temperatures (12 - 24°C) can be set in the settings page and also the outside temperature (-30 to +5°C) the temperatures are also given in their Fahrenheit equivalents.

The results will show:

• Ventilation heatloss - Losses from air passing through the room.
• Fabric heatloss - Losses through walls, floor and ceiling.
• Total heatloss - Sum of the ventilation and fabric losses.

The required radiator for the room can then be determined from the total room heat loss i.e. select a radiator that's rated higher!

The app can also be used to work out how much could be saved by fitting double glazing, cavity insulation or extra loft insulation to your home. Carry out a survey of each room in your house, with and without the double glazing/cavity insulation/loft insulation, then total the differences for the whole house to find how much heat is being wasted.

The app will even also calculate the time taken to heat the room from the set outside temperature if the right radiator is fitted. You can also enter flow and return rates and the Mean Water Temperature (MWT) and Delta T will be calculated, making it easier for you to select the right radiator using the manufacturers correction factors.


Radiator Calculator:
This calculator will estimate the length or power output from an existing compact radiator using a range of calculations from the most popular radiator manufacturers in the UK.

To find the output you simply select the radiator type, select the height, enter the length (in mm or inches) and select the Delta T. The results will then show the lowest and highest power outputs from across the different manufacturers and then the average will be calculated. This is very useful if you want to show a customer that their radiator is too small for a room.

To find the estimated length select the radiator type, select the height, enter the output and select the Delta T. The results will then show the estimated length the radiator would need to be.

The following radiator types are supported:
• P1 - Single panel
• K1 - Single convector
• P+ - Double panel
• K2 - Double convector
• K3 - Triple convector


Email or Export:
Once you have your results you can email them directly from within the app or export them to another app that supports text files, such as Dropbox, Google Drive or Evernote.


Converter:
The super simple Converter will help you quickly convert between Watts and BTU/h. Just enter one value and the other will be calculated.


Guide:
To give you some extra help when you need it, we have added a mini-guide to the Radiator Calculator with the following 4 pages:
• Correction factors - Shows you when and how to apply a correction factor to your results
• DeltaT Calculations - How to calculate the MWT and DeltaT
• Common Faults - Lists a number of common radiator faults, their symptoms and remedies
• Balancing - Instructions for balancing a system

More Apps byMr Jerzy Ryczard Staszak

Gas Rate Calculator & Guide

Installs: 8,964Score: 4.70Ratings: 74

Price: N/A

Version: N/AReleased: 8/7/2011Last change: N/A

Gas Pipe Sizing Calculator

Installs: 6,688Score: 4.60Ratings: 38

Price: N/A

Version: N/AReleased: 1/22/2012Last change: N/A

Fault Finding with Multimeter

Installs: 1,379Score: 4.44Ratings: 10

Price: N/A

Version: N/AReleased: 2/28/2018Last change: N/A

Boiler Fault & Error Codes

Installs: 514Score: 0.00Ratings: 0

Price: N/A

Version: N/AReleased: 1/8/2021Last change: N/A

Wiring & Controls

Installs: 470Score: 0.00Ratings: 0

Price: N/A

Version: N/AReleased: 11/1/2018Last change: N/A

More Apps inTools

GFX Tool Pro for BGM & PUB

Installs: 44,230Score: 3.71Ratings: 3,933

Price: N/A

Version: N/AReleased: 7/10/2024Last change: N/A

Better Charging

Installs: 17Score: 0.00Ratings: 0

Price: N/A

Version: N/AReleased: 10/10/2023Last change: N/A

Signal Detector Pro

Installs: 3,946Score: 4.67Ratings: 148

Price: N/A

Version: N/AReleased: 3/13/2024Last change: N/A

Who Uses My WiFi Pro

Installs: 223,729Score: 4.36Ratings: 6,570

Price: N/A

Version: N/AReleased: 7/13/2019Last change: N/A

SmoothTrack: Head Tracker

Installs: 34,890Score: 4.58Ratings: 990

Price: N/A

Version: N/AReleased: 9/9/2020Last change: N/A

Notes Safe Pro

Installs: 1,055Score: 4.77Ratings: 130

Price: N/A

Version: N/AReleased: 1/11/2018Last change: N/A

Multi Timer

Installs: 14,163Score: 4.71Ratings: 629

Price: N/A

Version: N/AReleased: 5/23/2012Last change: N/A

VESC Tool

Installs: 18,589Score: 4.03Ratings: 263

Price: N/A

Version: N/AReleased: 2/16/2019Last change: N/A

WiFi File Transfer Pro

Installs: 1,634Score: 4.20Ratings: 33

Price: N/A

Version: N/AReleased: 2/6/2024Last change: N/A

My GPS Location PRO

Installs: 1,844Score: 4.84Ratings: 44

Price: N/A

Version: N/AReleased: 12/24/2021Last change: N/A

Network Signal Info Pro

Installs: 159,957Score: 3.64Ratings: 6,763

Price: N/A

Version: N/AReleased: 4/9/2011Last change: N/A

FPS Meter Real-time Display

Installs: 6,777Score: 2.83Ratings: 251

Price: N/A

Version: N/AReleased: 3/26/2024Last change: N/A

AbiMobil

Installs: 53,474Score: 3.75Ratings: 137

Price: N/A

Version: N/AReleased: 7/27/2017Last change: N/A

Board Game Timer PRO

Installs: 328Score: 0.00Ratings: 0

Price: N/A

Version: N/AReleased: 8/7/2023Last change: N/A

Growatt PV Pro Downloader Sola

Installs: 26Score: 0.00Ratings: 0

Price: N/A

Version: N/AReleased: 5/30/2024Last change: N/A

Accurate Barometer PRO

Installs: 11,420Score: 4.45Ratings: 780

Price: N/A

Version: N/AReleased: 2/7/2014Last change: N/A

Video Converter Pro

Installs: 23,001Score: 4.51Ratings: 2,145

Price: N/A

Version: N/AReleased: 12/11/2016Last change: N/A

AppLock PRO

Installs: 245,458Score: 3.59Ratings: 5,660

Price: N/A

Version: N/AReleased: 7/5/2021Last change: N/A

Game Booster Pro

Installs: 1,824Score: 0.00Ratings: 0

Price: N/A

Version: N/AReleased: 1/24/2024Last change: N/A

EASY PLAY

Installs: 1,546Score: 3.89Ratings: 9

Price: N/A

Version: N/AReleased: 6/16/2021Last change: N/A

File Recovery - Restore Files

Installs: 998Score: 0.00Ratings: 0

Price: N/A

Version: N/AReleased: 10/12/2024Last change: N/A

APRSdroid - APRS Client

Installs: 76,215Score: 4.08Ratings: 1,696

Price: N/A

Version: N/AReleased: 4/18/2011Last change: N/A

File Backup to PC

Installs: 2,592Score: 4.79Ratings: 354

Price: N/A

Version: N/AReleased: 1/2/2018Last change: N/A

OPNManager

Installs: 366Score: 0.00Ratings: 0

Price: N/A

Version: N/AReleased: 3/28/2025Last change: N/A

Support Development

Installs: 43,307Score: 4.57Ratings: 1,449

Price: N/A

Version: N/AReleased: 11/11/2017Last change: N/A

ForzaTune Pro

Installs: 56,438Score: 4.72Ratings: 1,417

Price: N/A

Version: N/AReleased: 5/8/2018Last change: N/A

Battery Widget Reborn 2025

Installs: 152,515Score: 4.39Ratings: 26,191

Price: N/A

Version: N/AReleased: 8/2/2012Last change: N/A

FlashLight HD LED Pro

Installs: 71,884Score: 4.70Ratings: 5,114

Price: N/A

Version: N/AReleased: 10/1/2011Last change: N/A

Richtig lüften Pro

Installs: 2,942Score: 4.84Ratings: 304

Price: N/A

Version: N/AReleased: 8/13/2013Last change: N/A

Json Genie PREMIUM (View/Edit)

Installs: 12,574Score: 4.73Ratings: 501

Price: N/A

Version: N/AReleased: 2/15/2016Last change: N/A

WiFi Signal Strength Meter Pro

Installs: 14,404Score: 4.65Ratings: 1,472

Price: N/A

Version: N/AReleased: 4/3/2019Last change: N/A

FlashMyPin

Installs: 539Score: 3.73Ratings: 11

Price: N/A

Version: N/AReleased: 11/19/2021Last change: N/A

Bubble Level PRO

Installs: 101,786Score: 3.79Ratings: 1,229

Price: N/A

Version: N/AReleased: 2/9/2023Last change: N/A

PDF Editor Pro - Edit PDF Docs

Installs: 8,571Score: 1.83Ratings: 193

Price: N/A

Version: N/AReleased: 3/8/2023Last change: N/A

PolarFinder Pro

Installs: 13,838Score: 4.80Ratings: 346

Price: N/A

Version: N/AReleased: 9/26/2019Last change: N/A

Panda Mouse Pro

Installs: 345,068Score: 3.28Ratings: 22,223

Price: N/A

Version: N/AReleased: 10/23/2019Last change: N/A

Go back to the Home page