Best apps like HVAC Formulas Tech Calculator

10+ similar apps compared and reviewed

4.2 avg rating
8 free apps
Updated July 2026

Looking for something like HVAC Formulas Tech Calculator? We've analyzed 10+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to HVAC Formulas Tech Calculator

Allday HVAC Calc#1

Allday HVAC Calc by Dmitrii Pankov

Pipe and Duct calculations
Editor's Choice
πŸ”§ Utilities
5.0(1 ratings)
FreeIn-App Purchases
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This app offers three specialized modules for HVAC engineers: a psychrometric calculator for air properties, a pipe calculator for fluid dynamics and selection, and a duct calculator for air speed and pressure loss. It provides detailed calculations and reference formulas in both SI and IP units.

IN HVAC Calculator#2

IN HVAC Calculator by Gregory Enterprises

HVAC Calculator & Reference
Strong Contender
πŸ”§ Utilities
4.2(11 ratings)
Free
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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.

More apps like HVAC Formulas Tech Calculator

4
Duct Calculator Elite
Duct Calculator Elite
Duct Calculator Elite
HVAC Ductulator & Duct Sizing
$9.99

This app simplifies HVAC duct sizing calculations. It computes duct size, velocity, pressure drop, and flow rate with an intuitive interface. Supports various units and duct materials for precise HVAC design.

Calculate duct size, velocity, pressure drop, flow rateDuct Size by Airflow modeDuct Size by Dimension mode
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paid
5
e-Saver Residential
e-Saver Residential
e-Saver Residential
by Copeland LP
Free

This app helps residential HVAC contractors quickly calculate annual cost savings for homeowners when considering system replacements. It offers up to three replacement options and compares them against current industry standards or user-defined systems. Calculations are based on heating and cooling run hours and local energy prices.

Instant annual cost savings calculationsUp to 3 replacement system optionsComparison to industry minimum standards
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(59)
free
6
Installer App
Installer App
Installer App
Essential HVAC tools
Free

This app provides HVAC professionals with a digital toolbox for everyday tasks. It offers product information, installation guides, and advanced features to streamline work, including project management and hydronic balancing tools.

Radiator PresettingProduct FinderMy Projects (Cloud-based)
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(7)
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7
Daikin eQuip
Daikin eQuip
Daikin eQuip
by Daikin Airconditioning (Singapore) Pte Ltd
Free

This app provides air conditioning dealers and contractors with essential technical information, spare parts details, and access to training materials. It also includes unit conversion tools and general Daikin company information for field support.

Technical Information (Error Codes, Specs)Spare Parts CatalogDocument Library (Manuals, Catalogues)
πŸ”§ Utilities
(1)
free
8
Duct Calculator
Duct Calculator
Duct Calculator
Ductulator & Duct Sizer
$19.99

This app allows HVAC professionals to quickly and accurately size new ducts or calculate the performance of existing ones. It supports both round and rectangular ductwork, offering precise calculations through direct entry or intuitive sliders. The tool provides live updates and outputs key performance metrics.

Size round and rectangular ductworkAdjust airflow, diameter, width, and heightDirect number entry for precision
πŸ”§ Utilities
(179)
free
9
HVAC & Sheet Metal Calculator
HVAC & Sheet Metal Calculator
HVAC & Sheet Metal Calculator
Construction Math & Trade Pro
Free
$29.99 | 100% OFF

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.

Sheet metal calculations (radius, offset, wrapper length)Trigonometric functions (sine, cosine, tangent, arc)HVAC specific calculations (fan law, CFM, velocity)
πŸ”§ Utilities
(40)
free with in-app purchases
10
Duct Calculator S&P
Duct Calculator S&P
Duct Calculator S&P
by S&P SISTEMAS DE VENTILACION SL.
Free

This utility app performs essential calculations for ventilation systems. It offers tools for converting duct sizes, determining air parameters like speed and airflow, and calculating pressure drops. It also includes a unit converter for various measurements.

Diameter conversion (circular to rectangular)Ventilation parameter calculation (diameter, speed, airflow, pressure)Pressure drop calculation for straight sections and system elements
πŸ”§ Utilities
(1)
free