Comparison

HVAC PT Chart vs Baker HVAC Pro+

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

HVAC PT Chart

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.

Highlights
  • Pressure/temperature lookup for 100+ refrigerants
  • Input temperature to find pressure, or vice versa
  • Slider control for precise value selection
  • Email complete PT chart lists and refrigerant properties
  • Display common refrigerant properties
  • Adjust for atmospheric pressure based on city elevation
  • English and Metric unit options
Features
Read full description

HVAC PT Chart is an electronic pressure temperature calculator that allows HVAC technicians and contractors to quickly look up the temperature and corresponding pressure for 100+ common HVAC refrigerants including both bubble and dew versions of azeotropic (mixture) refrigerants. This is the only PT Chart app that allows you to email complete PT chart lists, refrigerant properties, and your inputted values/results. This is a unique PT Chart app for the following reasons: 1. Works on both the Apple iPhone and iPad (and adjusts its screen according to the mobile device screen size, whether you are running it on the iPhone 13 or the iPad) 2. Optimized for iOS 16 3. Includes 100+ refrigerants 4. Allows you to input the temperature and then the corresponding pressure will display and vice versa. 5. Allows you to also use a slider control to specify the exact pressure or temperature to see the corresponding temperature or pressure 6. Displays a list of pressure/temperature values in 1 degree increments 7. Allows you to select the atmospheric pressure so as to show the true pressure-temperature relationship even for high elevations 8. Includes a database of 1000+ cities world-wide with elevation data that is used to derive atmospheric pressure 9. Display common properties for the selected refrigerant (oil type, GWP, composition, critical temp, boiling temp, and more...) 10. Email project inputs and properties for the selected refrigerant 11. Email the full pressure/temperature list for the selected refrigerant 12. Display units in both English and Metric 13. Includes both dew and bubble versions of any azeotropic (mixture) refrigerants 14. This app now includes the HVAC Equipment Locator. Click here for details: http://bit.ly/1yTq539

About

Baker HVAC Pro+

This app provides HVAC/R professionals with on-the-go access to product information and essential tools. It features real-time order tracking, a duct calculator, warranty verification, and branch location details. Users can also search for parts, view technical documents, and receive special offer notifications.

Highlights
  • Real-time order status
  • Duct calculator
  • Product availability and pricing
  • Warranty registration verification
  • Parts and model search
  • Technical document access
  • Branch locator and directions
Features
Read full description

BAKER DISTRIBUTING COMPANY strives to make life as an HVAC/R Professional easier, saving you time and hassle through innovation. Our mobile app HVAC/R PRO provides access to product information and easy-to-use tools while on the go. * Now view real-time order status for all your orders (ORDER STATUS) * Duct calculator to help determine duct size, material and specifications for new installations and retrofits (CALCULATORS) * Sign in to link your online account to view prices, add to cart and check orders (SIGN IN) * See real-time availability for your preferred branch and other nearby Baker Distributing Company branches (PRODUCTS) * Search by system needs to find AHRI matched systems with real-time inventory and system pricing (AHRI) * Verify Limited Warranty Registrations while in the field (WARRANTY) * Search for an HVAC equipment model, view the parts list and superseded parts, check availability at Baker Distributing Company locations (PARTS LIST) * View Spec Sheets, Wiring Diagrams, Installation Guides, Consumer Literature, etc. for Baker Distributing Company Products (DOCUMENTS) * See nearby Baker Distributing Company locations, their Hours of Operation, get Directions, call the store (BRANCHES) * Receive Push Notifications of Special Offers & Promotions at Baker Distributing Company * Scan QR Code & UPC Bar Codes for fast product look ups * See Turn by Turn Driving Directions, through your favorite mapping app, to Baker Distributing Company locations * Light up attics, closets and basements while you work (FLASHLIGHT) * Also, the app now remembers your last 10 searches Our mission is to deliver the quality HVAC/R products you need, when you need them, and provide expert technical support. Our goal is to be your HVAC/R Supplier of Choice. We know you have a choice when buying all your HVAC/R related items. Thank you for trusting Baker Distributing Company. We are proud to have the opportunity to serve you.

Screenshots

HVAC PT Chart4 screens
Baker HVAC Pro+4 screens

Verdict

The call

The clearest difference is rating: Baker HVAC Pro+ at 4.9 against HVAC PT Chart's 4.0. Baker HVAC Pro+ also leads on in-app purchases (none vs 1) and review sentiment (85% vs 56%). HVAC PT Chart's advantage is iOS requirement (13.1 vs 16.0). On price, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. HVAC PT Chart sells 1 one-off in-app purchase. Baker HVAC Pro+ asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Baker HVAC Pro+ holds the better App Store score, 4.9 against 4.0. That said, the two scores are not equally well evidenced: Baker HVAC Pro+ has 587 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 56% of HVAC PT Chart's written reviews are positive against 85% of Baker HVAC Pro+'s.

UpkeepUpdate frequency

HVAC PT Chart ships an update every 4 months, Baker HVAC Pro+ monthly. The most recent releases landed on September 9, 2026 and September 21, 2026 respectively.

Scorecard7 real differences · 3 level
HVAC PT Chart versus Baker HVAC Pro+: the parameters behind the verdict, then further details
ParameterHVAC PT ChartBaker HVAC Pro+
PriceFreeFree
Rating4.0 (8 ratings)4.9 (587 ratings) — better
Positive reviews55.6% of reviews85.0% of reviews — better
Number of ratings8587 — better
Update frequencyEvery 4 monthsMonthly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.1 — better16.0
Further details — not scored
Size27 MB165 MB
Age rating4+4+
DeveloperCarmel Software CorporationWatsco, Inc.

Customer experience

HVAC PT Chart

All ratings8 ratings
Positive62.5%
Neutral25.0%
Negative12.5%
Written reviews9 reviews
Positive55.6%
Neutral33.3%
Negative11.1%

Baker HVAC Pro+

All ratings587 ratings
Positive96.9%
Neutral1.7%
Negative1.4%
Written reviews20 reviews
Positive85.0%
Neutral5.0%
Negative10.0%

Bugs and requests

HVAC PT Chart

Not enough reviews yet to summarise bugs or requests.

Baker HVAC Pro+

Reported bugs

2 issues
  • App not working anymore
  • Error messages

Requested features

2 requests
  • Add R448A to P/T calc
  • Tie account to app for pricing

In-app purchases

1 purchases

HVAC PT Chart

One-time1
  • HVAC Equipment Locator$9.99
None

Baker HVAC Pro+

No in-app purchases

Questions

Is HVAC PT Chart free?
HVAC PT Chart is free to download, with in-app purchases available.
Is Baker HVAC Pro+ free?
Baker HVAC Pro+ is free to download, with no in-app purchases.
Which has better reviews, HVAC PT Chart or Baker HVAC Pro+?
Baker HVAC Pro+ is rated higher. HVAC PT Chart averages 4.0 out of 5 from 8 ratings, while Baker HVAC Pro+ averages 4.9 from 587 ratings.
Do HVAC PT Chart or Baker HVAC Pro+ have ads?
Neither HVAC PT Chart nor Baker HVAC Pro+ shows ads.
Which is updated more often, HVAC PT Chart or Baker HVAC Pro+?
HVAC PT Chart ships an update every 4 months, and Baker HVAC Pro+ monthly. Most recently, HVAC PT Chart was updated on September 9, 2026 and Baker HVAC Pro+ on September 21, 2026.

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