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  • #: 127672
  • Price: $5.99 In Apple Store
  • Category: Business
  • Updated: 2009-11-09
  • Current Version: 2.0
  • 2.0
  • Size: 1.70 MB
  • Language: English
  • Seller: Kevin Burandt
  • Requirements: Compatible with iPhone, iPod touch, and iPad. Requires iOS 3.0 or later
  • © HVACBuddy.net
  •  Add to Favorite apps



HVAC PT Buddy contains Pressure Temperature relationships for 95 refrigerants in both Metric and English units in one degree increments. All refrigerant blends have bubble and dew points on the same line. To better indicate temperature glide R404a,….. Read more

What's New in Version 2.0

What's New

Release 2.0 improves on the user interface, functionality as well adding quite a bit of additional information.

Expanded thermodynamic properties at each pressure / temperature combination are now available for the following refrigerants:

R12, R22, R23, R32, R123, R124, R125, R134a, R143a, R152a, R170, R245fa, R290, R404a, R407c, R410a, R507a, R600, R600a, R717, R718, R744, R1150, and R1270

Thermodynamic properties include:

Bubble and Dew temp
Density of Liquid
Volume of Vapor
Enthalpy of Liquid and Vapor
Entropy of Liquid and Vapor
Specific Heat of Liquid and Vapor

Bubble and dew points for all blends have been combined. For R404a, R407c, and R410a the chart is driven by pressure to better indicate temperature glide at each pressure.

Added 15 New refrigerants:

R-170, R-245fa, R-403B, R-416A, R-417A, R-420A, R-421A, R-422A, R-422B, R-422C, R-422D, R-508B, R-718, R-1150, R-1270

Ozone depletion potential, global warming potential, chemical name, molecular mass, boiling point, critical pressure, and critical temperature have been added for all but a few obscure refrigerants.

Twenty five refrigerants now have color code, lubricants, and brief usage descriptions.

User interface improvements:

"Info" added to show properties associated with a particular refrigerant.

Detail window added to show expanded list of thermodynamic properties.

iPhone Screenshots

HVAC PT Buddy iPhone Screenshot 1
HVAC PT Buddy iPhone Screenshot 2
HVAC PT Buddy iPhone Screenshot 3
HVAC PT Buddy iPhone Screenshot 4
HVAC PT Buddy iPhone Screenshot 5

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Customer reviews

Rated 5/5 based on 3 customer reviews.


5/5 stars
Great App

Sweet app. As a commercial HVACR technician/engineer I will be using this on a daily basis. Very well done.

5/5 stars
Nice app!

Very nice app! Very handy because it breaks down pressures into 1 psig increments.

5/5 stars
Very nice!!

I agree with the other reviewer it's the only program that has 1 psi increments.

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