Best Thermal Insulation Calculator Apps

250+ iOS apps curated and reviewed

3.8 avg rating
18 free apps
Updated August 2026

Finding the right thermal insulation calculator apps can be overwhelming with so many options. We've analyzed 250+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Thermal Insulation Calculator Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Thermal Insulation CalculatorThermal Insulation CalculatorFree1.0★ (1)NoYesAug 2026
2OneCalc: All-in-one CalculatorOneCalc: All-in-one CalculatorFree4.6★ (5.1K)YesNoAug 2026
3Concrete and Agg CalculatorConcrete and Agg CalculatorFree3.4★ (37)YesNoAug 2026
4Concrete Calculator PlusConcrete Calculator PlusFree4.8★ (21K)YesNoAug 2026
5ArmaWin - Thickness CalculatorArmaWin - Thickness CalculatorFreeNoNoMay 2026
6Mannok U-Value CalculatorMannok U-Value CalculatorFreeNoNoMay 2026
7Thermal Transmittance CalcThermal Transmittance CalcFree4.1★ (10)YesYesAug 2026
8Aero-CalcAero-CalcFreeYesNoMay 2026

Top Picks for Thermal Insulation Calculator

Thermal Insulation Calculator#1

Thermal Insulation Calculator by Shital Gorasiya

Izoler-Demo
Editor's Choice
📊 Productivity
1.0(1 ratings)
FreeIn-App Purchases
Thermal Insulation Calculator screenshot 1
Thermal Insulation Calculator screenshot 2
Thermal Insulation Calculator screenshot 3
Thermal Insulation Calculator screenshot 4
Thermal Insulation Calculator screenshot 5

This tool simplifies complex thermal insulation estimations for professionals, students, and learners. It provides clear insights for planning and understanding insulation tasks with a user-friendly interface.

OneCalc: All-in-one Calculator#2

OneCalc: All-in-one Calculator by tasser gyati

Calculates everything. Try it.
Strong Contender
📊 Productivity
4.6😊(5.1K ratings)
FreeAds
OneCalc: All-in-one Calculator screenshot 1
OneCalc: All-in-one Calculator screenshot 2
OneCalc: All-in-one Calculator screenshot 3
OneCalc: All-in-one Calculator screenshot 4
OneCalc: All-in-one Calculator screenshot 5
OneCalc: All-in-one Calculator screenshot 6

This app offers a comprehensive suite of over 40 calculators and unit converters for various needs, including finance, health, construction, and everyday math. It features standard, scientific, and specialized calculators for tasks like loan amortization, currency conversion, and material estimation.

What We Love

  • 🚀 Excellent app with many handy extras
  • 👍 Easy to use and one of the daily drivers
  • 👍 Helps with work
  • 👍 Great for calculations and conversions

Room to Improve

  • 🐛 Crashes when using the 'More' section
  • 🐛 Incorrect date duration calculations
  • 🔍 Ads can be intrusive and disrupt calculations

More Thermal Insulation Calculator apps to explore

4
Concrete Calculator Plus
Concrete Calculator Plus
Concrete Calculator Plus
by Inch Calculator
Free

This app provides 15 calculators for estimating concrete, blocks, mortar, rebar, and gravel. It supports various shapes and units, offering material cost estimations for construction projects.

15 concrete estimation calculatorsEstimates cubic yards or bagsCalculates material costs
🔧 Utilities
(21K)
ad-supported
5
ArmaWin - Thickness Calculator
ArmaWin - Thickness Calculator
ArmaWin - Thickness Calculator
by Armacell Enterprise GmbH & Co. KG
Free
🔧 Utilities
(0)
6
Mannok U-Value Calculator
Mannok U-Value Calculator
Mannok U-Value Calculator
by SugarProjects Ltd
Free
🔧 Utilities
(0)
7
Thermal Transmittance Calc
Thermal Transmittance Calc
Thermal Transmittance Calc
Determination of heat loss
Free

Calculate heat loss and humidity issues in building structures. Input air temperature, humidity, and material layers to visualize temperature and dew point changes. Supports both Celsius/Fahrenheit and cm/inches.

Calculate heat lossIdentify humidity problemsVisualize temperature and dew point changes
🔧 Utilities
(10)
free with in-app purchases
8
Aero-Calc
Aero-Calc
Aero-Calc
Thermal insulation calculator
Free
🔧 Utilities
(0)
9
Radiator Calculator Pro
Radiator Calculator Pro
Radiator Calculator Pro
Heat Output & BTU Calculator
Free
$0.99 | 100% OFF

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.

Calculate heating requirementsSupport for all room typesPrecise Watts and BTU output
🔧 Utilities
(0)
paid
10
Electric heating calculator
Electric heating calculator
Electric heating calculator
Heat Energy Calculator
Free
📊 Productivity
(0)
11
Heatloss Calculator & Guide
Heatloss Calculator & Guide
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.

Room heat loss calculationRadiator output estimationWatts to BTU/h conversion
📊 Productivity
(2)
paid
12
Spray Foam Pro-Insulation Calc
Spray Foam Pro-Insulation Calc
Spray Foam Pro-Insulation Calc
IECC 2021 Coverage Calculator
Free
$1.99 | 100% OFF
🔧 Utilities
(0)
13
Insulator's Field Guide
Insulator's Field Guide
Insulator's Field Guide
by All Therm Services Inc.
Free

A comprehensive reference tool for professionals in the industrial, commercial, and HVAC insulation sectors. It provides essential utilities, guides, and sizing tables to assist with field challenges, promoting safe, accurate, and profitable project completion.

Utilities for insulatorsReference guidesSizing tables
🔍 Reference
(4)
free
14
Superlon Thickness Calculation
Superlon Thickness Calculation
Superlon Thickness Calculation
Superlon Thickness Calculation
Free
💼 Business
(0)
15
CaptiveAire Toolbox
CaptiveAire Toolbox
CaptiveAire Toolbox
HVAC ENGINEERING TOOLBOX
Free

This app provides over 40 HVAC and building-systems engineering calculators. It's designed for field use, offering standard industry formulas for cooling, heating, ventilation, electrical sizing, and more. Access detailed formula definitions and reference data.

40+ HVAC engineering calculatorsCooling and heating load calculationsVentilation and airflow tools
🔧 Utilities
(1)
free
16
Dakota's Electrical Calculator
Dakota's Electrical Calculator
Dakota's Electrical Calculator
Voltage Drop, Conduit & Wire
Free

This app provides electricians and apprentices with essential tools for on-the-job tracking and NEC-aligned calculations. It helps with circuit analysis, load calculations, conduit fill, motor and transformer computations, and voltage drop assessments for field use and exam preparation.

On-the-job hour tracking by areaNEC-aligned circuit calculationsBranch, feeder, and service load calculations
📚 Education
(9)
free
17
FieldCalc Pro
FieldCalc Pro
FieldCalc Pro
NEC, ASHRAE & IRC Calculators
Free
🔧 Utilities
(0)
18
HVACR Check & Charge
HVACR Check & Charge
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.

Instant refrigerant charge calculatorSuperheat calculator (non-TXV)Subcooling calculator (TXV)
🔍 Reference
(17K)
free
19
Thermal Engineering Calc
Thermal Engineering Calc
Thermal Engineering Calc
thermodynamics calculations
$2.99

This app provides 44 calculators for thermal engineering parameters, along with thermodynamics tables, formulas, and definitions. It's a comprehensive tool for mechanical engineers and students needing to perform various thermal calculations.

44 thermal engineering calculatorsThermodynamics tablesFormulas and definitions
📊 Productivity
(6)
paid
20
Trocellen
Trocellen
Trocellen
by Trocellen Italia s.p.a.
Free
🛍️ Shopping
(0)

FAQ about Thermal Insulation Calculator

What are the best thermal insulation calculator apps for iPhone?
Thermal Insulation Calculator tops our thermal insulation calculator apps ranking as of August 2026, with a 1.0-star average from 1 App Store ratings, and it's free to download.
Yes — 18 of the top thermal insulation calculator apps we rank are free to download, including Thermal Insulation Calculator and OneCalc: All-in-one Calculator.
Thermal Insulation Calculator has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 250+ thermal insulation calculator apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
The Thermal Insulation Calculator is designed to simplify complex thermal insulation estimations. It provides clear, educational insights for planning and understanding insulation tasks, making it a helpful resource for both learning and practical reference.
This calculator is beneficial for professionals, students, and learners working with thermal insulation. Its interface is designed to be helpful for beginners understanding insulation principles and experienced professionals needing quick, reliable estimates.