Best Hvac Load Calculator Apps

224+ iOS apps curated and reviewed

4.2 avg rating
15 free apps
Updated May 2026

If you already know HVAC Load Calculator Manual J, this is the deeper bench. 224+ hvac load calculator apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of May 2026.

Top Picks for Hvac Load Calculator

LaserCalc Mobile#3

LaserCalc Mobile by Imogen Technologies LLC

Worth Considering
💼 Business
3.4(5 ratings)
FreeAdsIn-App Purchases
LaserCalc Mobile screenshot 1
LaserCalc Mobile screenshot 2
LaserCalc Mobile screenshot 3
LaserCalc Mobile screenshot 4

Perform professional residential HVAC load calculations quickly and accurately using minimal data with this mobile application. Receive instant load calculations by providing the address, square footage, and home details. Customize and share detailed reports as PDFs with your company logo. Enjoy unlimited access for $9.99 per month with a free trial available. View the Terms of Use and Privacy Policy for more information. Need help? Contact support@imogentech.com.

More Hvac Load Calculator apps to explore

4
Bluon HVAC
Bluon HVAC
Bluon HVAC
HVAC Tools
Free

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.

🔧 Utilities
(4.5K)
5
HVAC Calculator Load Lite
HVAC Calculator Load Lite
HVAC Calculator Load Lite
Built for HVAC Specialists
Free
📊 Productivity
(0)
6
HVACR Check & Charge
HVACR Check & Charge
HVACR Check & Charge
PT Charts Superheat Subcooling
Free

HVACR Check is a powerful tool for HVAC technicians that streamlines equipment checklists, service reports, and maintenance workflows. Simplify your work processes and stay organized with this all-in-one solution.

🔍 Reference
(16K)
7
CE HVAC Pro+
CE HVAC Pro+
CE HVAC Pro+
HVAC Tools
Free

An HVAC tool application offering HVAC technicians easy access to warranty entitlement, inventory, order status, manuals, and tech specs for various models. It aims to support technicians with quality products, expert technical assistance, and business growth, positioning itself as a leading HVAC supplier. Experience real-time product availability and streamline your HVAC tasks with this free app.

📊 Productivity
(1.5K)
8
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.

📊 Productivity
(5)
9
AirPro: BTU Calculator
AirPro: BTU Calculator
AirPro: BTU Calculator
HVAC Calculator: House Heating
Free
📊 Productivity
(5)
10
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.

💼 Business
(3)
11
HVAC Load & Refrigerant Calc
HVAC Load & Refrigerant Calc
HVAC Load & Refrigerant Calc
Refrigerant, Manual J & BTU
Free
🔧 Utilities
(0)
12
AC Calculator - HVAC Sizing
AC Calculator - HVAC Sizing
AC Calculator - HVAC Sizing
Air conditioner or Heat Pump
Free

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.

🔧 Utilities
(20)
13
IN HVAC Calculator
IN HVAC Calculator
IN HVAC Calculator
HVAC Calculator & Reference
Free

This application provides HVAC inspectors with a reference point to estimate equipment age, size, and other relevant details, helping them to map out inspections and set the tone for their reports. It offers various calculators and guidelines for determining equipment circuit requirements, air conditioner tonnage, manufacture dates, and combustion air requirements.

🔧 Utilities
(11)
14
BTU Calculator -  Data Centers
BTU Calculator -  Data Centers
BTU Calculator - Data Centers
Cooling Requirements
Free

This application helps estimate the cooling capacity required for a data center to maintain a stable temperature and humidity level. It considers various factors, such as space, occupancy, and heat output, to provide a rough estimate of cooling needs, and allows users to instantly view results as they update input data.

🔧 Utilities
(288)
15
HVAC Quick Load
HVAC Quick Load
HVAC Quick Load
Rule-of-thumb HVAC load calcs
$6.99

This application performs quick and easy rule-of-thumb HVAC heating and cooling load calculations for various types of buildings, allowing users to estimate required cooling and heating loads and air flows. Try it out to quickly analyze a building's cooling and heating properties in the field and get started with your HVAC projects today.

📊 Productivity
(3)
16
Duct Calculator - DuctCalc
Duct Calculator - DuctCalc
Duct Calculator - DuctCalc
HVAC Sizing & Psychrometric
Free
🔧 Utilities
(7)
17
Duct Calculator.
Duct Calculator.
Duct Calculator.
HVAC Airflow & Duct Sizing
Free
📊 Productivity
(0)
18
SuperCool Slide Rule HVAC
SuperCool Slide Rule HVAC
SuperCool Slide Rule HVAC
by Designstein, llc
Free

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

🔧 Utilities
(185)
19
SwiftSize
SwiftSize
SwiftSize
Quick Heat Load Calculator
$9.99

This HVAC load calculator quickly measures a home's exposures to produce accurate results for sizing heating and air conditioning equipment, minimizing on-site engineering time for professionals. It generates a shareable PDF report and allows complete heat loads to be performed in minutes, making it ideal for equipment changeouts.

💼 Business
(3)
20
HVAC Calculator ProX
HVAC Calculator ProX
HVAC Calculator ProX
Pro HVAC Load Calculator
$0.99
$1.99 | 50% OFF
🔧 Utilities
(0)

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