Best Hvac Calculator Apps

4.9(75 ratings)

FreeIn-App Purchases

HVAC & Sheet Metal Calculator screenshot 1

HVAC & Sheet Metal Calculator screenshot 2

HVAC & Sheet Metal Calculator screenshot 3

HVAC & Sheet Metal Calculator screenshot 4

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HVAC & Sheet Metal Calculator screenshot 6

This app provides advanced calculations for HVAC and sheet metal professionals. It simplifies complex dimensional math, geometry, and trigonometry with specialized functions for ducting, airflow, and construction layouts. Offers a free trial before committing to a subscription.

SuperCool Slide Rule HVAC by Designstein, llc

Worth Considering

HVAC Calculator - FieldCalc

4.2😐(185 ratings)

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.

What We Love

👍 Great HVAC tool
👍 Informative slide rule
👍 Helpful for new techs
👍 Quick and simple
👍 Easy to use
👍 All in one app
👍 Invaluable in the field
👍 Pocket reference
👍 Good for duct sizing
👍 Helps customers understand issues

Room to Improve

🐛 Trial period issues
🐛 App expires frequently
🐛 Requires re-download
🐛 Not worth the trouble
🐛 App messed up
🐛 Scrambled charts
🐛 Junk app
🐛 Paid version still has issues
🐛 Free not free
🐛 No cost upfront
🐛 No way to purchase
🐛 Closes itself
🐛 No portrait mode
🐛 No friction rate selection
🐛 No quick duct sizing
🐛 Inaccurate altitude
🐛 Room calc issues

More Hvac Calculator apps to explore

R-454B PT,Superheat,Duct,Load

HVAC Calculator: BTU & AC Load

(0)

by National Refrigerants Inc.

Pressure/Temperature calculationSuperheat/Subcool calculationAutomatic altitude correction

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.

HVAC Calculator & Reference

Equipment circuit requirements calculatorAC tonnage estimation by model numberHVAC manufacture date lookup

This app provides HVAC inspection tools and guidelines for home inspectors. It helps estimate equipment age, size, and requirements, giving inspectors confidence in their reports.

Built for HVAC Specialists

(11)

free

HVAC Calculator Load Pro

Fast HVAC BTU calculationsResidential furnace & AC sizingClimate-aware calculations

$12.99 | 100% OFF

This tool provides fast, accurate HVAC load calculations for residential systems. It helps professionals size furnaces, air conditioners, and gas equipment correctly, avoiding guesswork and spreadsheets for confident client recommendations and more closed bids.

📊 Productivity

free with in-app purchases

HVAC Pro Calculator: NEC + P-T

Duct · Voltage · Refrigerant

BTU & Cooling Load SizingDuct Sizing CalculationsNEC Voltage Drop & Wire Sizing

This app provides essential tools for HVAC technicians and electricians, including BTU load sizing, duct calculations, and refrigerant pressure-temperature charts. It offers a free tier with core functions and an optional Pro upgrade for advanced features like voltage drop calculations and unlimited job saving.

freemium

BaseCalc HVAC Calculator

BTU CFM Duct Calculator

18 HVAC calculatorsBTU/CFM/Duct sizingPsychrometric calculations

This professional tool offers 18 HVAC calculators for field use, including BTU, CFM, duct sizing, and psychrometrics. It saves calculation history, job records, and allows PDF export of worksheets. The app works offline and features a high-contrast interface for job sites.

Flux HVAC: Tech Calculator

freemium

Superheat, Duct & PT Chart

Superheat and Subcooling CalculatorsDuct Sizing with VisualizerSystem Performance (BTU/Ton) Calculation

This professional toolkit helps HVAC technicians diagnose issues, charge systems accurately, and validate work with essential calculators. It offers offline functionality for superheat, subcooling, duct sizing, system performance, psychrometrics, and capacitor testing.

Pro HVAC Load Calculator

Duct sizing made simple

Connect. Perform. Prosper.

Quick HVAC system diagnosisAccurate repair solutionsReduced troubleshooting time

This application helps HVAC technicians diagnose and repair systems quickly and accurately. It offers robust diagnostic tools to identify problems faster, leading to fewer callbacks and more satisfied customers. It supports various HVAC systems, making it an all-in-one solution for professionals.

This app provides quick and easy calculations for HVAC professionals and enthusiasts. It simplifies complex formulas for energy use, airflow, and duct dimensions, making them accessible on your iPhone or iPad.

SFP calculationsHeat recovery efficiencyAir velocity in ducts

📊 Productivity

HVAC Calculator: House Heating

paid

AirPro: BTU Calculator

BTU estimation for HVAC systemsMonthly heating and cooling cost calculationEnergy consumption and temperature analysis

This tool helps you calculate the right size for air conditioners, heat pumps, and furnaces. It provides detailed analysis of heating and cooling costs, energy consumption, and temperature data. You can also evaluate domestic hot water needs and financial aspects like payback periods.

📊 Productivity

(5)

free with in-app purchases

Airkit: HVAC Calculator

Charging, ductulator, PT chart

Engineering Calculator HVAC

(0)

by aleksandr bronnikov

HVAC Load & Refrigerant Calc

(0)

Refrigerant, Manual J & BTU

Access a vast database of HVAC models, manuals, and part lists to speed up your work. Utilize an AI-powered troubleshooting tool or connect with experienced technicians for real-time support.

500,000+ HVAC unit databaseManuals and part listsAI troubleshooting tool (MasterMechanic)