Best Allday HVAC Calc alternatives: apps like Allday HVAC Calc

10+ similar apps compared and reviewed

4.5 avg rating

8 free apps

Updated October 2026

Allday HVAC Calc

Dmitrii Pankov

Whether you want more options like Allday HVAC Calc or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to Allday HVAC Calc

#1

Duct Calculator S&P by Soler&Palau

Editor's Choice

5.0(1 ratings)

Free

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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.

#2

IN HVAC Calculator by Gregory Enterprises

HVAC Calculator & Reference

Strong Contender

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.

#3

Dew Point Humidity Calculator by Do Tri

Relative Wet Bulb Temperature

Worth Considering

4.5(81 ratings)

FreeAdsIn-App Purchases

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This utility app calculates dew point, humidity, and wet bulb temperature with speed and accuracy. It's designed for weather, HVAC, and scientific applications, eliminating the need for manual calculations or physical tools.

More apps like Allday HVAC Calc

Duct-Sizing App

This HVAC tool assists professionals with duct sizing calculations based on ASHRAE standards. It supports multiple duct shapes and offers intelligent features to ensure accurate and reliable designs for real-world scenarios.

Duct sizing for rectangular, round, and flat oval ductsCustomizable dimensions with locked valuesDuct location intelligence for context-aware sizing

Compare with Allday HVAC Calc

Dri-Eaz Psychrometric Calc

Dri-Eaz Psychrometric Calc

Dri-Eaz Psychrometric Calc

Psychrometric Calculator

This utility app calculates essential drying environment variables. Input temperature and relative humidity to instantly get grains per pound (GPP). Advanced options allow calculation of vapor pressure and air dew point to material, with easy term definitions.

Calculate grains per pound (GPP)Calculate vapor pressureCalculate air dew point to material

Compare with Allday HVAC Calc

Interactive Chart & Calculator

This app provides tools for analyzing and quantifying air and moisture properties. It offers a comprehensive calculator, interactive chart, and project management features for HVAC engineers, meteorologists, and industrial professionals. Supports both SI and IP units for versatile use.

Comprehensive psychrometric calculatorDual units support (SI/IP)Psychrometric process simulation

Compare with Allday HVAC Calc

AC Calculator - HVAC Sizing

AC Calculator - HVAC Sizing

AC Calculator - HVAC Sizing

Air conditioner or Heat Pump

This utility app simplifies HVAC sizing by calculating BTU/h capacity and recommending equipment. It offers unit conversions, price estimates, and energy consumption comparisons. Advanced features can be unlocked via in-app purchases.

Calculate BTU/h capacityRecommend equipment typesConvert BTU, kW, Kcal, Tons

free with in-app purchases

Compare with Allday HVAC Calc

Ductulator - Duct Calculator

Ductulator - Duct Calculator

Ductulator - Duct Calculator

HVAC Airflow Sizing & Design

This app provides professional HVAC duct sizing and psychrometric calculations in a single tool. It offers detailed calculations for various duct types and materials, along with comprehensive humid air property analysis. Designed for HVAC professionals, it replaces traditional ductulators with accurate digital functionality.

Duct sizing for round, rectangular, and flexible ductsFittings pressure drop calculationPsychrometric analysis with interactive chart

free with in-app purchases

Compare with Allday HVAC Calc

HVAC & Sheet Metal Calculator

HVAC & Sheet Metal Calculator

HVAC & Sheet Metal Calculator

Construction Math & Trade Pro

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)

free with in-app purchases

Compare with Allday HVAC Calc

Duct Calculator

Duct Calculator

Duct Calculator

Ductulator & Duct Sizer

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

Compare with Allday HVAC Calc