HVAC Formulas Tech Calculator is a specialized utility app providing engineering formulas and fan law calculations for HVAC technicians on iOS.
Product velocity
Dormant
Daily rank 🇺🇸
—
Utilities
Sentiment
3.8
14 reviews
Nemesis
Duct Calculator - DuctCalc
The App DNA
What makes this app unique?
Technicians hire this app to eliminate manual data entry and web searching while in the field, ensuring rapid access to critical system calculations.
For HVAC technicians requiring quick access to industry-specific formulas and calculations while in the field.
What does it look like?
Key features
Includes specialized calculations for mixed air, latent heat, sensible heat, enthalpy, and fan laws.
Automates calculations for RPM, CFM, and inches of water column.
Computes return coil air temperature to eliminate repeated manual data entry.
How much does it cost?
The app is currently offered as a free utility with no visible monetization gates or subscription tiers.
Velocity
Dormant developmentopaqueShow more...
The app has been inactive for over five years, with no updates recorded since May 2021. This indicates a complete cessation of development and maintenance. The lack of recent activity classifies the app as a zombie project.
Who built it?
User Sentiment
What do users think recently?
How are ratings & reviews evolving?
Not enough recent reviews to extract reliable themes yet.
Read the full review analysisCompetition
Competitive landscape for HVAC Formulas Tech Calculator
How's the Utilities market?
The app maintains a 3.78 rating across 14 reviews, but the lack of updates since May 2021 signals a stagnant market position relative to active competitors.
Read the market outlookThe rivals identified
By Mikhail Nikitin
This app directly targets HVAC technicians with specialized engineering calculations, mirroring the core utility and professional audience of this app.
- Offers advanced psychrometric analysis tools that provide deeper technical insights than standard HVAC formula calculators.
- Maintains a high release cadence, ensuring compatibility with the latest iOS versions and modern hardware standards.
- Provides a dual-function interface that simplifies complex duct sizing tasks for field technicians on the go.
Unlock the head-to-head verdict: where this rival wins, and where it loses.
Access the full report for freeThe Analyst's Read
Key takeaways for HVAC Formulas Tech Calculator
Where is it heading?
The HVAC utility market is consolidating around apps that offer frequent technical updates and modern interface standards. This app's stagnant release history leaves it exposed to competitors that can better support the evolving needs of field technicians, which will likely lead to a continued decline in user engagement.
- The lack of updates since May 2021 indicates the app is in maintenance mode, which erodes user trust as hardware standards evolve.
- Competitors like DuctCalc maintain a higher release cadence, which directly threatens this app's market share by offering superior technical depth and compatibility.
The SWOT
- Specialized formula library functions as a core utility for field-based troubleshooting.
- Integration of wearable-based measurement tools could differentiate the app from standard calculator-only competitors.
Next best moves
Refresh the formula library and UI because the app has not been updated since May 2021 → prevent user churn to active rivals.
The counter-intuitive read
The app's lack of monetization is not a strength but a strategic weakness…
Read the full takeFeature gaps
Advanced psychrometric analysis (available in DuctCalc but missing here) +1
Since the last report: The app's competitive position has declined due to the formal identification of specific technical feature gaps and the emergence of more active, content-rich rivals.
Bottom line
HVAC Formulas Tech Calculator provides essential field utility, but the lack of updates since 2021 risks total user churn to more active competitors, so the PM must prioritize a technical refresh to maintain relevance.
Unlock 2 critical frictions, 1 market threat and the analyst’s take.
Access the full report for freeReport last updated