Best Carmel Software Corporation Apps

192+ iOS apps curated and reviewed

3.8 avg rating
4 free apps
Updated May 2026

HVAC PT Chart is the household name in carmel software corporation, but it's far from the only option. We track 192+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Carmel Software Corporation Apps (May 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1HVAC PT ChartHVAC PT ChartFree4.0★ (8)NoYesMay 2026
2HVAC ToolkitHVAC Toolkit$23.995.0★ (2)NoNoJun 2026
3HVAC Equipment LocatorHVAC Equipment LocatorFree5.0★ (4)NoYesJul 2026
4Steam TablesSteam Tables$5.993.0★ (4)NoYesJul 2026
5HVAC Duct SizerHVAC Duct Sizer$5.992.9★ (8)NoYesJun 2026
6HVAC Toolkit UltimateHVAC Toolkit Ultimate$59.993.0★ (4)NoNoJun 2026
7HVAC Residential Load CalcsHVAC Residential Load Calcs$34.993.0★ (3)NoYesJul 2026
8HVAC RefChargeHVAC RefCharge$9.99NoYesJul 2026

Top Picks for Carmel Software Corporation

HVAC PT Chart#1

HVAC PT Chart by Carmel Software Corporation

HVAC Pressure/Temp Charts
Editor's Choice
📊 Productivity
4.0(8 ratings)
FreeIn-App Purchases
HVAC PT Chart screenshot 1
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HVAC PT Chart screenshot 6

This tool provides HVAC technicians with instant access to pressure and temperature data for over 100 refrigerants. It allows users to input one value to find the other, view detailed refrigerant properties, and email comprehensive charts and data.

HVAC Toolkit#2

HVAC Toolkit by Carmel Software Corporation

HVAC calcs for all your needs
Strong Contender
📊 Productivity
5.0(2 ratings)
$23.99
HVAC Toolkit screenshot 1
HVAC Toolkit screenshot 2
HVAC Toolkit screenshot 3
HVAC Toolkit screenshot 4
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HVAC Toolkit screenshot 6

This comprehensive toolkit offers essential HVAC calculations and tools for professionals. It combines multiple specialized applications into a single, convenient package for iPhone and iPad users.

HVAC Equipment Locator#3

HVAC Equipment Locator by Carmel Software Corporation

Worth Considering
💼 Business
5.0(4 ratings)
FreeIn-App Purchases
HVAC Equipment Locator screenshot 1
HVAC Equipment Locator screenshot 2
HVAC Equipment Locator screenshot 3
HVAC Equipment Locator screenshot 4
HVAC Equipment Locator screenshot 5
HVAC Equipment Locator screenshot 6

Track, share, and customize HVAC equipment details, including nameplate and maintenance data. Store photos, spec sheets, and GPS coordinates for easy access and client transparency. Streamline operations with customizable input screens and background data synchronization.

More Carmel Software Corporation apps to explore

4
Steam Tables
Steam Tables
Steam Tables
Steam property calculations
$5.99

Calculate saturated and superheated steam properties with extensive input parameters and unit options. This universal app provides real-time results using steam-table formulas and includes an HVAC Equipment Locator.

Saturated and superheated steam property calculationsExtensive input parameter combinationsReal-time slider controls for instant results
💼 Business
(4)
paid
5
HVAC Duct Sizer
HVAC Duct Sizer
HVAC Duct Sizer
HVAC duct sizing and more...
$5.99

This app provides quick and simple HVAC duct sizing analysis. It allows users to calculate duct dimensions based on airflow or existing dimensions, and can also determine a range of duct sizes. Results can be emailed for further analysis.

Duct sizing by airflowDuct sizing by dimensionsRange of duct sizes calculation
🔧 Utilities
(8)
free with in-app purchases
6
HVAC Toolkit Ultimate
HVAC Toolkit Ultimate
HVAC Toolkit Ultimate
Endless HVAC Functionality
$59.99

This comprehensive application offers a suite of tools for HVAC professionals, including load calculations, equipment tracking, refrigerant charts, duct and pipe sizing, and psychrometric analysis. It consolidates multiple functionalities into a single, powerful utility for field and office use.

Residential load calculationsEquipment nameplate data trackingRefrigerant pressure-temperature charts
📊 Productivity
(4)
paid
7
HVAC Residential Load Calcs
HVAC Residential Load Calcs
HVAC Residential Load Calcs
Calculate cool/heat loads...
$34.99

Perform detailed residential heating and cooling load calculations in the field. This app offers extensive data on building materials, weather, and project management for HVAC engineers and technicians.

Block and room-by-room load calculations1000+ city weather databaseExtensive construction material data
💼 Business
(3)
paid
8
HVAC RefCharge
HVAC RefCharge
HVAC RefCharge
Ref. subcool/superheat calcs
$9.99

This app helps HVAC technicians quickly calculate refrigerant superheat and subcool levels. It supports over 100 refrigerants and offers interactive adjustments for precise charging decisions. Features include atmospheric pressure adjustments and unit customization.

Superheat and subcool calculationsSupports 100+ refrigerantsInteractive slider for adjustments
📊 Productivity
(0)
paid
9
HVAC Load Plus
HVAC Load Plus
HVAC Load Plus
HVAC cooling and heating loads
$24.99

Perform detailed heating and cooling load calculations for buildings in the field using your iPhone. Access a vast weather database and construction data to generate comprehensive reports that can be emailed or exported to spreadsheets.

Detailed heating and cooling load calculations1000+ city weather databaseExtensive construction type data
📊 Productivity
(5)
paid
10
HVAC Psychrometric Plus
HVAC Psychrometric Plus
HVAC Psychrometric Plus
Single/mixed-air psych calcs
$6.99

Perform single-state and mixed-air psychrometric calculations quickly and easily. Select input parameters and view updated results on a single screen. Supports 23 input combinations and offers email/spreadsheet export.

Single-state psychrometric calculationsMixed-air psychrometric calculations23 input parameter combinations
📊 Productivity
(2)
paid
11
HVAC Quick Load
HVAC Quick Load
HVAC Quick Load
Rule-of-thumb HVAC load calcs
$6.99

This app provides quick, rule-of-thumb HVAC load calculations for various building types. It estimates heating and cooling loads, as well as air flows, based on building type, area, and occupancy. Results can be emailed with an Excel spreadsheet attachment for further analysis.

Rule-of-thumb HVAC load calculationsSupports commercial, industrial, and residential buildingsEstimates cooling/heating loads and air flows
📊 Productivity
(3)
paid
12
HVAC Psychrometric LT
HVAC Psychrometric LT
HVAC Psychrometric LT
Single-air stream psych calcs
$0.99

Perform quick and simple single-air stream psychrometric calculations on your iPhone or iPad. Easily select and update input parameters, view results instantly, and export data via email or spreadsheet.

Single-state HVAC psychrometric calculationsUniversal app for iPhone and iPadAll inputs and results on one screen
📊 Productivity
(0)
paid
13
HVAC Pipe Sizer Plus
HVAC Pipe Sizer Plus
HVAC Pipe Sizer Plus
All types of pipe sizing
$13.99

This utility app combines three specialized pipe sizing tools for HVAC systems: liquid, steam, and gas. It offers flexible input options, unit conversions, and an equipment locator for comprehensive HVAC design.

Liquid pipe sizingSteam pipe sizing with steam table calculatorGas pipe sizing (low and high pressure)
🔧 Utilities
(1)
paid
14
HVAC Pipe Sizer - Gas Plus
HVAC Pipe Sizer - Gas Plus
HVAC Pipe Sizer - Gas Plus
High/Low press. gas pipe calcs
$7.99

Calculate gas piping systems for low and high pressure. Input flow, pressure, or diameter to find pipe sizes, velocity, and equivalent lengths. Supports English and metric units, with extensive pipe fitting data.

Low and high pressure gas pipe sizingCalculate flow, pressure drop, diameter, and velocityUniversal app for iPhone and iPad
📊 Productivity
(1)
paid
15
HVAC Pipe Sizer - Gas Low
HVAC Pipe Sizer - Gas Low
HVAC Pipe Sizer - Gas Low
Low pressure gas pipe calcs
$4.99

Quickly size low-pressure gas piping systems by inputting flow, pressure drop, diameter, or velocity. Includes detailed gas and pipe properties, fitting data, and unit conversion.

Low pressure gas pipe sizingInput flow, pressure drop, diameter, or velocityCalculate exact and nominal pipe diameters
📊 Productivity
(2)
paid
16
HVAC Pipe Sizer - Liquid
HVAC Pipe Sizer - Liquid
HVAC Pipe Sizer - Liquid
Pipe size calcs for liquids
$4.99

Calculate pipe sizes for liquid systems, including hot and chilled water. Input flow rate, head loss, diameter, or velocity to determine other properties. Supports various liquids, pipe materials, and fittings, with English or metric units.

Liquid pipe sizingHydronic system calculationsInput flow, head loss, diameter, or velocity
📊 Productivity
(0)
paid
17
HVAC Pipe Sizer - Gas High
HVAC Pipe Sizer - Gas High
HVAC Pipe Sizer - Gas High
by Carmel Software Corporation
$4.99

This utility app helps engineers quickly size high-pressure gas piping systems. Input flow, pressure, and pipe properties to calculate diameters, velocity, and equivalent length. Supports English and metric units with built-in tables for various pipe materials.

High-pressure gas pipe sizingInput flow, pressure, and pipe parametersCalculate exact/nominal diameters
🔧 Utilities
(3)
paid
18
HVAC Pipe Sizer - Steam
HVAC Pipe Sizer - Steam
HVAC Pipe Sizer - Steam
Steam pipe sizing and more...
$6.99

Quickly size steam pipe systems by inputting piping and steam properties. Includes a steam table calculator and HVAC equipment locator. Supports English and metric units.

Steam pipe sizingSteam table calculatorHVAC Equipment Locator
🔧 Utilities
(0)
paid
19
24/7 Software Communicator
24/7 Software Communicator
24/7 Software Communicator
IMS Communicator for v4
Free

This business tool allows users to report and manage incidents and requests, send task reminders, and communicate with other operators. It integrates with the 24/7 Software Incident Management System and requires restricted access.

Report and manage incidentsSend task remindersCommunicate with operators
💼 Business
(3)
free
20
Certainty Software
Certainty Software
Certainty Software
by Certainty Software Inc
Free

This business application streamlines audits and inspections for companies worldwide, helping them ensure compliance, reduce risk, and improve performance. It offers easy-to-use forms, real-time reporting, and action management tools for data collection and analysis.

Audit and inspection completionReal-time reportingAction management
💼 Business
(2)
free

FAQ about Carmel Software Corporation

What are the best carmel software corporation apps for iPhone?
HVAC PT Chart tops our carmel software corporation apps ranking as of May 2026, with a 4.0-star average from 8 App Store ratings, and it's free to download.
Yes — 4 of the top carmel software corporation apps we rank are free to download, including HVAC PT Chart and HVAC Equipment Locator.
HVAC PT Chart has no ads and offers in-app purchases, according to its App Store listing as of May 2026.
We track 192+ carmel software corporation apps on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.
HVAC PT Chart supports over 100 common HVAC refrigerants, including both bubble and dew versions of azeotropic refrigerants. It also displays common properties like oil type, GWP, and critical temperature for selected refrigerants.
Yes, HVAC PT Chart is unique in its ability to email complete PT chart lists, refrigerant properties, and your inputted values/results. This feature is useful for documentation and sharing information with colleagues or clients.