Best Hvac Calculator Load Lite Apps

216+ iOS apps curated and reviewed

4.5 avg rating
17 free apps
Updated May 2026

Looking for free hvac calculator load lite apps? 17 of our 216+ tracked titles are free to download β€” no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for Hvac Calculator Load Lite

Bluon HVAC#3

Bluon HVAC by Bluon, Inc.

HVAC Tools
Worth Considering
πŸ”§ Utilities
4.8😐(4.4K ratings)
FreeAds
Bluon HVAC screenshot 1
Bluon HVAC screenshot 2
Bluon HVAC screenshot 3
Bluon HVAC screenshot 4
Bluon HVAC screenshot 5
Bluon HVAC screenshot 6

Discover a powerful HVAC tool with access to a vast database of 500,000 HVAC models for manuals and part lists, troubleshooting support from MasterMechanic A.I., and live assistance from veteran technicians. Join the largest HVAC community to elevate your industry knowledge and skills today.

What We Love

  • πŸ€– Helpful tech support
  • πŸ’― Comprehensive database of manuals and information
  • πŸ› οΈ Useful tools and calculators
  • 🀝 Great customer service

Room to Improve

  • πŸ’° Paywall for advanced features
  • πŸ”’ Limited access without company account
  • πŸ” Missing manuals for some equipment models

More Hvac Calculator Load Lite apps to explore

4
HVAC Load Calculator Manual J
HVAC Load Calculator Manual J
HVAC Load Calculator Manual J
BTU Sizing for Contractors
Free
$1.99 | 100% OFF
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5
Concrete Calculator Plus
Concrete Calculator Plus
Concrete Calculator Plus
by Inch Calculator
Free

Estimate concrete quantities with ease using 15 free calculators available in the app for various construction projects such as slabs, walls, and columns. Input dimensions in different units and receive results in both US customary and metric measurements. Access these trusted calculators by visiting www.inchcalculator.com.

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6
HVAC Load Plus
HVAC Load Plus
HVAC Load Plus
HVAC cooling and heating loads
$24.99

This application allows users to perform detailed heating and cooling load calculations for small commercial and residential buildings using their iPhone. It offers a range of features, including a comprehensive weather database, construction type data, and report generation, making it easy to size heating and cooling equipment and share results with clients.

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7
Heating & Cooling HVAC Pro+
Heating & Cooling HVAC Pro+
Heating & Cooling HVAC Pro+
HVAC Tools
Free

This mobile app is an HVAC "Easy Button" that provides access to product information, useful tools, and expert technical support, making it easier for professionals to work efficiently. With the app, users can view product information, search for equipment, verify warranty registrations, access technical support, and utilize various calculators and tools to streamline their work.

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8
SuperCool Slide Rule HVAC
SuperCool Slide Rule HVAC
SuperCool Slide Rule HVAC
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Get advanced solutions for HVAC problems with an interactive app that guides technicians through repair steps. Simplify complex issues and enhance your repair processes.

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Gemaire HVAC Pro+
Gemaire HVAC Pro+
Gemaire HVAC Pro+
HVAC Tools
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Access a wide range of HVAC tools and product information on-the-go with Gemaire's mobile app. Simplify your HVAC tasks and save time with this handy tool, whether you're on-site, on the road, or relaxing at home. Ideal for HVAC professionals looking to streamline their workflow.

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Baker HVAC Pro+
Baker HVAC Pro+
Baker HVAC Pro+
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PCalc Lite
PCalc Lite
PCalc Lite
The Best Calculator
Free

PCalc Lite is the ideal calculator app for scientists, engineers, students, and programmers offering RPN mode, multi-line display, unit conversions, constants, and more. Try it for free on your iPad and upgrade for additional features or themes. Also available on Apple Watch for on-the-go calculations.

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12
measureQuick HVAC
measureQuick HVAC
measureQuick HVAC
Connect. Perform. Prosper.
Free

An application that helps HVAC technicians diagnose system problems efficiently by providing data aggregation tools and on-the-job education, leading to increased productivity. Connect, perform, and prosper with this powerful tool for improving HVAC maintenance and troubleshooting.

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13
OneCalc: All-in-one Calculator
OneCalc: All-in-one Calculator
OneCalc: All-in-one Calculator
Calculates everything. Try it.
Free

A versatile calculator app for iPhone and iPad offering over 40 calculators and unit converters for finance, health, and more. Simplify your calculations with just one app today!

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14
P-T Calculator
P-T Calculator
P-T Calculator
by National Refrigerants, Inc.
Free

This comprehensive calculation tool helps HVAC/R technicians with pressure/temperature relationships, superheat/subcool temperatures, and refrigerant calculations, featuring automatic altitude correction and unit conversions. Download the app to easily perform calculations, access refrigerant information, and utilize handy tools to streamline your work.

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15
HVAC PT Chart
HVAC PT Chart
HVAC PT Chart
HVAC Pressure/Temp Charts
Free

This electronic pressure temperature calculator allows HVAC technicians and contractors to quickly look up temperature and pressure values for over 100 common refrigerants, with features to input and calculate values, display refrigerant properties, and email results. With this tool, users can easily access and utilize pressure-temperature charts, making it a valuable resource for HVAC professionals.

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16
AC Calculator - HVAC Sizing
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AC Calculator - HVAC Sizing
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This application makes HVAC sizing simple by providing quick calculations for capacity, equipment recommendations, and unit conversions, as well as price estimates and energy consumption comparisons. Download now to easily determine your air conditioner or heat pump needs and unlock advanced features with in-app purchases.

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HVAC Toolkit
HVAC Toolkit
HVAC Toolkit
HVAC calcs for all your needs
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This comprehensive toolkit is essential for anyone in the HVAC industry, offering a collection of 11 modules for calculations and analysis, including equipment tracking, PT charts, refrigerant charge, duct sizing, and more. Download the toolkit to access a wide range of features and calculations in one convenient app, and take advantage of a cost-effective solution that would otherwise cost significantly more.

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18
HVAC Residential Load Calcs
HVAC Residential Load Calcs
HVAC Residential Load Calcs
Calculate cool/heat loads...
$34.99

This app allows users to perform detailed heating and cooling load calculations for residential buildings using their iPhone, making it ideal for engineers, technicians, and architects. With its comprehensive features and user-friendly interface, users can quickly size equipment, generate reports, and share results with clients, streamlining their workflow and showcasing their expertise.

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HVAC School
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Feet and Inches Calculator
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Perfect Construction Calc!
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Calculate measurements with ease using this construction calculator designed for quick and accurate results. Perfect for all your project needs – download now and simplify your work!

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