--- title: "HVAC Psychrometric Plus - Reviews, Revenue and Downloads in United States | Apple App Store" description: "The "HVAC Psychrometric Plus" app is the #1 selling psychrometric application for the Apple iPhone and iPad. Thousands of happy users have downloaded this useful application for performing quick and s" --- # HVAC Psychrometric Plus — United States > Single/mixed-air psych calcs ![HVAC Psychrometric Plus App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/90/5f/34/905f3476-9018-7502-9aa6-eb1fac9cc64f/AppIcon-0-0-1x_U007emarketing-0-7-0-85-220.png/434x0w.png) **Developer:** [Carmel Software](https://apptail.io/developer/carmel-software-daB) (United States) **Category:** Productivity **Rating:** 3.0/5 (2 ratings) **Price:** Free **Bundle ID:** com.carmelsoft.Psychrometric **Store:** Apple App Store **Country:** United States **Version:** 6.1 (released 2025-12-18) **Original Release:** 2010-01-15 **Languages:** English **App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id348669031) **AppTail Page:** [https://apptail.io/app/hvac-psychrometric-plus-MpNc/united-states](https://apptail.io/app/hvac-psychrometric-plus-MpNc/united-states) ## HVAC Psychrometric Plus Description The "HVAC Psychrometric Plus" app is the #1 selling psychrometric application for the Apple iPhone and iPad. Thousands of happy users have downloaded this useful application for performing quick and simple psychrometric analysis. Just a few reasons why you should buy this application: 1. The Psych Plus is a universal app that it is optimized for the iPhone and iPad. 2. This app was developed by Carmel Software, a company that has been developing software for 25+ years. We are experts in software design and HVAC analysis. 3. It allows you to easily perform single-state and mixed-air HVAC psychrometric calculations. 4. Select and update all input parameters and view the calculated results all in the same screen without switching from one screen to another. 5. Select from 23 different combinations of any 2 input parameters such as "Humidity Ratio / Dewpoint Temperature" and much more. 6. Immediately view updated results as you change the input values using the on-screen slider control. You can specify how much to increase or decrease values as you slide the indicator along the slider mechanism. 7. Send an HTML email and a spreadsheet attachment of all of the single-state and mixed-air inputs and results 8. This app now includes the HVAC Equipment Locator. Click here for details: This application contains two separate input modes. The 1st input mode is the "Single-State" mode that allows you to specify 2 psychrometric parameters for a single stream of air and view the remaining 6 calculated values. You can quickly toggle through 23 different combinations of the 2 input parameters and instantly view the calculated results, all on the same screen. The 2nd input mode is the "Mixed-Air" mode that allows you to specify 2 psychrometric parameters for each of two air streams to calculate the mixed air psychrometric conditions. Once again, you can toggle through 23 combinations of the 2 input parameters and view all results in one screen. The following input and output value-types are displayed: 1. Dry-bulb temperature 2. Humidity ratio 3. Relative Humidity 4. Wet-bulb temperature 5. Partial pressure 6. Enthalpy 7. Specific volume 8. Dewpoint temperature 9. Total airflow or mass flow (for mixed-air calcs, only) You can specify additional parameters such as the altitude of the air being analyzed, the atmospheric pressure, different types of units such as degrees F or R, and English or Metric units. The "HVAC Psychrometric Plus" application was designed by Carmel Software Corporation, a leader in HVAC design software since 1995. In fact, Autodesk (the makers of AutoCAD) acquired our analysis software and incorporated it into their leading Autodesk Revit software product. In addition, ASHRAE has hired Carmel Software to develop custom mobile apps to accompany their various standards. We also offer the following apps for the iPhone/iPad: 1. HVAC Residential Load Calcs 2. HVAC Load Plus 3. HVAC Duct Sizer 4. HVAC Pipe Sizer – Gas Low Pressure 5. HVAC Pipe Sizer - Gas High Pressure 6. HVAC Pipe Sizer – Liquid 7. HVAC Pipe Sizer – Steam 8. Steam Tables 9. HVAC Toolkit 10. Psychrometric LT 11. HVAC Pipe Sizer Plus 12. HVAC Pipe Sizer Gas Plus 13. HVAC Quick Load 14. HVAC ResLoad-J 15. HVAC Equipment Locator 16. HVAC Psych HD ## HVAC Psychrometric Plus Screenshots - [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/Purple116/v4/e9/19/f1/e919f1b3-d11f-9bda-a8d8-dce708ef5468/pr_source.png/1242x2688.png) - [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/Purple116/v4/6e/1e/b7/6e1eb74e-5df7-2fa9-e3c8-628f8a07df37/pr_source.png/1242x2688.png) - [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/Purple116/v4/f9/e5/de/f9e5de10-33b6-7932-dc27-d66f0ce2fef5/pr_source.png/1242x2688.png) - [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/Purple126/v4/1f/5f/63/1f5f63ea-c4f1-c07f-3dfc-07b7d4355a17/pr_source.png/1242x2688.png) - [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/Purple116/v4/43/98/db/4398db74-2de2-d871-0737-a5012029b99a/pr_source.png/1242x2688.png) - [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/Purple116/v4/d2/3c/96/d23c96fe-0b29-f626-367d-0fc426f22bfc/pr_source.png/1242x2688.png) - [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/Purple116/v4/50/d2/d5/50d2d55b-9b76-3dfc-df68-cddbfb01828c/pr_source.png/1242x2688.png) - [Screenshot 8](https://is1-ssl.mzstatic.com/image/thumb/Purple126/v4/6a/34/fb/6a34fb9a-a428-7610-5b0f-b00b33329892/pr_source.png/1242x2688.png) - [Screenshot 9](https://is1-ssl.mzstatic.com/image/thumb/Purple116/v4/aa/c3/35/aac3352b-f774-62d0-6652-c57210fe4189/pr_source.png/1242x2688.png) - [Screenshot 10](https://is1-ssl.mzstatic.com/image/thumb/Purple116/v4/30/99/ad/3099adfa-9d6e-a1b6-8611-30df02818659/pr_source.png/1242x2688.png) ## HVAC Psychrometric Plus Rating Breakdown in United States - 5 stars: 1 (50%) - 4 stars: 0 (0%) - 3 stars: 0 (0%) - 2 stars: 0 (0%) - 1 stars: 1 (50%) ## HVAC Psychrometric Plus Reviews in United States ### ***** "Works great!" Easy to use and accurate. Use it every day. -- Mechengineer1000, 2019-06-20 ### *---- "Engineer" Does not work. 72/46 is not -7.6 dew point. How to get refund is the ?? -- !!Patrick$, 2016-08-12 ### *---- "Don't buy" This app will give you false readings I can calculate better and more accurate than this app if you need one then go to Ashrae HVAC Psychrometeric chart apps and download that it will cost you $20.00 but you pay for what you get !!!!!!!!!! This app is crap DONT but this app.😖 -- benniedoughty, 2015-08-30 ### ***** "R&D Use" Four senior R&D execs in our company use it and have never had a problem in F or C. Easy conversion and more flexible than most other apps. There is a small error near 0degF and tiny inconsistencies near saturation but these would only be noticed by a scientist. Great app. Is it available for Excel? -- maddoggenius, 2012-04-30 [View all HVAC Psychrometric Plus reviews and detailed analytics on AppTail](https://apptail.io/account/signup?utm_campaign=ai-crawl&utm_content=reviews) ## HVAC Psychrometric Plus In-App Purchases | Item | Price | |------|-------| | HVAC Equipment Locator | $9.99 | ## HVAC Psychrometric Plus Store Rankings | Chart | Country | Category | Rank | |-------|---------|----------|------| | Top Paid | Kuwait | Productivity | #214 | | Top Paid | Singapore | Productivity | #215 | | Top Paid | Thailand | Productivity | #248 | | Top Paid | United Arab Emirates | Productivity | #265 | | Top Paid | Mexico | Productivity | #269 | | Top Paid | Malaysia | Productivity | #281 | | Top Paid | Lebanon | Productivity | #293 | | Top Paid | South Africa | Productivity | #304 | | Top Paid | Colombia | Productivity | #321 | | Top Paid | Taiwan | Productivity | #322 | | Top Paid | Türkiye | Productivity | #331 | | Top Paid | Ireland | Productivity | #335 | | Top Paid | Pakistan | Productivity | #353 | | Top Paid | Indonesia | Productivity | #358 | | Top Paid | Canada | Productivity | #370 | | Top Paid | Saudi Arabia | Productivity | #372 | | Top Paid | Israel | Productivity | #381 | | Top Paid | India | Productivity | #400 | | Top Paid | Spain | Productivity | #404 | | Top Paid | Hong Kong SAR China | Productivity | #409 | | Top Paid | Hungary | Productivity | #415 | | Top Paid | Brazil | Productivity | #420 | | Top Paid | Kazakhstan | Productivity | #423 | | Top Paid | Australia | Productivity | #424 | | Top Paid | Italy | Productivity | #426 | | Top Paid | Vietnam | Productivity | #435 | | Top Paid | Greece | Productivity | #449 | | Top Paid | Chile | Productivity | #456 | | Top Paid | South Korea | Productivity | #464 | | Top Paid | New Zealand | Productivity | #465 | ## HVAC Psychrometric Plus Discovered Keywords - hvac psychrometric lt - hvac psychrometric plus ## Apps Similar to HVAC Psychrometric Plus - [CPS Link](https://apptail.io/app/cps-link-zcM/united-states) - [Psychrometric Chart](https://apptail.io/app/psychrometric-chart-njV/united-states) - [measureQuick HVAC](https://apptail.io/app/measurequick-hvac-mLdb/united-states) - [ASHRAE 365](https://apptail.io/app/ashrae-365-egmb/united-states) - [testo Smart](https://apptail.io/app/testo-smart-sJvb/united-states) - [Ductulator - Duct Sizing](https://apptail.io/app/ductulator-duct-sizing-LJvb/united-states) - [Psychrometer °F](https://apptail.io/app/psychrometer-f-heHc/united-states) - [Calculate Comfort](https://apptail.io/app/calculate-comfort-jWHc/united-states) - [Pipe Sizer - Water](https://apptail.io/app/pipe-sizer-water-bqNc/united-states) - [ASHRAE Psychrometric Chart](https://apptail.io/app/ashrae-psychrometric-chart-OQcl/united-states) ## HVAC Psychrometric Plus Available In - [United States](https://apptail.io/app/hvac-psychrometric-plus-MpNc/united-states) - 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