Report updated Apr 28, 2026
HVAC PT Chart
For professional HVAC technicians and contractors requiring mobile field reference tools.
Overview · Full Intel report in progress
HVAC PT Chart is an established productivity app that is completely free. With a 4.0/5 rating from 8 reviews, it shows polarized user reception.
What is HVAC PT Chart?
Current Momentum
v5.4 · 38mo ago
ZombieLast updated 1163d ago. 5 versions tracked.
Competition
Rivals identification in progress
7-Day Rank Pulse 🇺🇸
ProductivityNo ranking data
Rating Pulse 🇺🇸
What makes this app unique?
What Does It Look Like?
How Is The App's Momentum Right Now?
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What Are The Key Features?
Provides pressure-temperature lookups for over 100 common refrigerants, including azeotropic mixtures.
Allows users to input either temperature or pressure to retrieve the corresponding value.
Features a slider interface for precise adjustment and real-time viewing of pressure and temperature data.
Enables users to email complete PT chart lists, refrigerant properties, and custom calculation results.
How much does it cost?
Who Built It?
Carmel Software
Providing specialized engineering calculation tools for HVAC professionals. Streamlining complex thermodynamic and system sizing tasks for field technicians.
Portfolio
13
Apps
Who is Carmel Software?
Carmel Software Corporation maintains a long-standing niche in the HVAC engineering software market, operating as a specialized utility provider rather than a broad-market developer. Their strategic moat is built on deep domain expertise and the integration of proprietary calculation engines that serve as digital replacements for legacy industry tools like the Trane Ductulator. The portfolio reflects a transition toward cloud-connected mobile utilities, though they face ongoing pressure from free, industrial-grade alternatives that threaten their paid-tier revenue model.
Who is Carmel Software for?
- HVAC engineers
- Field technicians
- Installers requiring precise
- On-the-go thermodynamic
Portfolio momentum
With 30 releases in the last 6 months and a majority of the portfolio receiving updates within the last year, the publisher maintains an active development cycle for their specialized toolset.
What other apps does Carmel Software make?
Analysis in progress, available soon
What do users think recently?
Analysis in progress, available soon
Analysis in progress, available soon
What is the competitive landscape for HVAC PT Chart?
How's The Productivity Market?
Market outlook for this category
Available very soon
Strategic analysis coming soon
SWOT, key takeaways & outlook
The outtake for HVAC PT Chart
Key Takeaways
While the app is a highly functional, free reference tool, users report significant visibility issues when using the interface in dark mode.
Where Is It Heading?
Trend analysis
Available very soon