Unlimited HVAC functionality
This may just be the only HVAC app you will ever need.
The HVAC Toolkit Ultimate from Carmel Software is a universal app that works on both the iPhone and iPad. It is the essential app for anyone in the HVAC industry. It is a compilation of most of the individual iPhone and iPad applications offered by Carmel Software plus bonus software.
If you bought each of these apps separately, it would cost more than 2 times what the price of this app is. It includes:
1. HVAC Residential Load Calc HD (iPad version)
1. HVAC Residential Load Calcs (iPhone version)
1. HVAC Equipment Locator
2. HVAC PT Chart
3. HVAC Refrigerant Charge
4. HVAC Duct Sizer
2. HVAC Quick Load
6. ASHRAE Ventilation Calcs (iPhone version)
8. Steam Tables
9. HVAC Pipe Sizer - Liquid
10. HVAC Pipe Sizer - Steam
11. HVAC Pipe Sizer - Gas Low
12. HVAC Pipe Sizer - Gas High
The "HVAC Residential Load Calcs" module allows you to perform comprehensive HVAC block and room-by-room load calculations for small commercial and residential buildings. You can easily use this module out in the field by taking advantage of the simplicity and power of the iPhone or iPad, and then email results back to your office.
The "HVAC Equipment Locator" module allows you to track, share, and customize your equipment nameplate and maintenance data. The version here includes the ability to customize your input screens (this is usually an in-app purchase on the free stand-alone version of Locator, but it is included here).
The "HVAC PT Chart" module allows you to easily view the pressure-temperature properties of 100 refrigerants. Think of this app as a digital version of the paper PT charts that you may have carried around with you in the past.
The "HVAC Refrigerant Charge" module allows you to perform superheat and subcool refrigerant charge calculations on-the-fly. This app includes pressure-temperature data for over 100 common refrigerants including azeotropic (bubble/dew) versions of refrigerants.
The "HVAC Duct Sizer" module allows you to perform quick and simple duct sizing analysis. You can specify the total airflow in CFM (or L/s), the aspect ratio and one of either the velocity of air or the friction loss per 100 feet (30 meters). The results include both the exact and rounded height and width (or diameter) dimensions and the calculated velocity and friction loss. In addition, you can calculate for a range of duct sizes by specifying minimum and maximum friction loss and airflow values.
The "HVAC Quick Load" module allows you to quickly calculate total heating and cooling loads for a wide variety of building types.
The "Psychrometrics" module allows you to easily perform single-state and mixed-air HVAC psychrometric calculations for up to 23 different combinations of input parameters.
The "Steam Tables" module allows you to calculate the properties of saturated or superheated steam by specifying 2 input properties. This module is also part of the "Pipe Sizer - Steam" module discussed below.
The "ASHRAE Ventilation Calcs" module allows you to perform comprehensive minimum ventilation calculations for a wide variety of commercial buildings based upon ASHRAE Standard 62.11-2007 and 2010/2013 versions.
The "HVAC Pipe Sizer - Liquid" module allows you to size a pipe run for many different types of liquids (or fluids), pipe material and fitting types.
The "HVAC Pipe Sizer - Steam" module allows you to size a steam pipe run, and it also includes a bonus steam table calculator.
The "HVAC Pipe Sizer - Gas Low and Gas High" modules allows you to quickly size a simple low (less than or equal to 1.5 psi) and high (greater than 1.5 psi) pressure gas piping system by inputting a number of piping and gas properties.
All values can be displayed in English (IP) and Metric (SI) units.
We also offer all of the above modules as individual apps, too.
1. Optimized for iOS 15 and iPhone 13
2. Updated user interface elements for individual modules
3. Updated ASHRAE 62.1 module (includes 2016/2019 versions)
4. Updated help
Ratings and Reviews
Missing the one item I wanted; room by room heat load calcs. It has a room by room that has ceiling as the only opaque feature active. $24 more to get the residential load calc "plus". Bummed at the cost of the first, and further by the second.
Not worth it
I bought the app to do load calcs on my iPhone . There is something seriously wrong with that portion of the app however all the other parts work fine , only problem is I need a program to do quick load calcs not to find my superheat and subcool
Great app works great
doesnt work. cant do any load calcs. input data and it disappears
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The developer does not collect any data from this app.
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- Carmel Software Corporation
- 63.5 MB
- Requires iOS 11.0 or later.
- Requires iPadOS 11.0 or later.
- iPod touch
- Requires iOS 11.0 or later.
- Requires macOS 11.0 or later and a Mac with Apple M1 chip or later.
- Age Rating
- © 2023 Carmel Software Corporation. All Rights Reserved.
Up to six family members can use this app with Family Sharing enabled.