Best Radiator Size Calculator Apps

Radiator Calculator Pro

Heat Output & BTU Calculator

Free

Accurately calculate the heating requirements for any room in your home. This tool supports unlimited rooms, offers precise calculations in Watts and BTU, and features a clean, intuitive design with dark mode support.

RadiatorOutput

Radiator sizing app

Free

Calculate radiator heat output based on water and air temperatures. Ensure optimal energy efficiency and cost savings by selecting the correct radiator size for any heating system, including those with low water temperatures. Supports metric units and can also calculate cooling output for convectors and fan-coils.

P-T Calculator

by National Refrigerants Inc.

Free

This tool simplifies HVAC/R technician tasks by calculating pressure/temperature relationships, superheat, and subcool. It automatically adjusts for altitude and offers English/Metric units. Easily access favorite refrigerants and supplementary information.

Heatloss Calculator & Guide

by Mr Combi Training

$4.99

Calculate room heat loss, estimate radiator output, and convert between Watts and BTU/h. Analyze potential energy savings from home improvements and determine radiator sizing for optimal heating. Results can be emailed, saved, or exported.

Calculator for iPad₊

Basic, Scientific, Plus Calc

Free

This app offers both basic and advanced scientific calculations with an intuitive interface designed for tablets and phones. It includes features like currency conversion, calculation history, and the ability to share results. An optional premium membership removes ads and provides enhanced support.

HVACR Check & Charge

PT Charts Superheat Subcooling

Free

This app provides an instant mobile refrigerant charge calculator for HVACR applications. It supports various refrigerants and allows users to calculate the correct system charge based on superheat, subcooling, or airflow, along with environmental conditions.

McCalc Fusion Calculator

HDPE/PP Pressure Calculator

Free

This app calculates the correct fusion pressure for HDPE and Polypropylene pipe jobs. It simplifies the process by selecting your fusion machine and entering pipe details to determine the recommended theoretical gauge pressure.

herz TS

by Aleksandar Jovanovic

Free

This tool assists with heating system calculations and radiator valve selection. It offers a preset calculator and a dedicated radiator valve selection tool, sharing a common database and calculation engine.

Refrigerant Charge Calculator

HVACR Check PT Chart Superheat

Free

This tool helps HVAC and refrigeration technicians quickly determine the correct refrigerant charge for various systems. It provides instant verdicts like 'Add,' 'Hold,' or 'Remove' based on superheat or subcooling measurements, supporting numerous refrigerants and unit conversions. The app functions offline and allows for saving job details and generating PDF reports.

Calculator: EasyCalc

Smart Calculator & Converter

Free

This app offers a comprehensive suite of calculation tools, including basic, scientific, and financial calculators, alongside unit conversions and personal utilities. It simplifies everyday math, financial planning, and unit transformations for students and professionals alike.

Scientific Calculator - Cal

A Better Scientific Calculator

Free

Perform complex calculations with a natural input interface. This app offers instant results in both number and expression formats, supporting a wide range of mathematical functions. Enjoy a clean design with customizable options and offline availability.

Calculator - 15 Calculators

Calculator for iPhone

Free

This app offers a comprehensive suite of 15 calculators for everyday and scientific needs. Easily perform basic arithmetic, complex scientific functions, and specialized calculations like sales tax, age, and loan payments. It also includes a robust unit converter for various measurements.

Refrigerant Calculator

by Caio Pinheiro

Free

This reference tool converts pressure and temperature for industrial refrigeration. It supports common refrigerants like ammonia and freon, allowing professionals to easily calculate values such as overheating for compressors and condensers.

Panecal Scientific Calculator

For engineers and students

Free

This app functions as a scientific calculator, enabling users to input and edit complex formulas with ease. It supports formula history, variable memory, and various number system conversions for accurate calculations.

Ductulator - Duct Calculator

HVAC Airflow Sizing & Design

Free

This app provides professional HVAC duct sizing and psychrometric calculations in a single tool. It offers detailed calculations for various duct types and materials, along with comprehensive humid air property analysis. Designed for HVAC professionals, it replaces traditional ductulators with accurate digital functionality.

SuperCool Slide Rule HVAC

by Designstein, llc

Free

This app offers a comprehensive suite of tools for HVAC technicians. It provides interactive guides, step-by-step repair instructions, and calculators for various HVAC calculations including superheat, subcooling, and duct sizing.