IN HVAC Calculator is a free utility for professional home inspectors that provides equipment assessment calculations and manufacture date references on iOS.
The App DNA
What makes this app unique?
It removes the cognitive friction of manual field calculations for inspectors who need quick, reliable reference data during site visits.
For Professional home inspectors requiring quick reference data for HVAC equipment assessment.
What does it look like?
Key features
Calculates equipment circuit requirements and combustion air needs for field assessment.
Derives air conditioner tonnage based on model number inputs.
Provides approximate age guidelines for HVAC equipment to assist in report tone setting.
How much does it cost?
The app operates as a free utility with no visible monetization or subscription gates.
Velocity
Dormant developmentopaqueShow more...
Development has ceased, with no updates or feature releases in over two years. The latest release, which provided only minor bug fixes, dates back to April 2024. Given the lack of activity for 876 days, the app is classified 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 IN HVAC Calculator
How's the Utilities market?
IN HVAC Calculator maintains a static presence in the Utilities category with a 4.1-star rating across 10 reviews. The lack of updates for over 870 days signals a maintenance-only posture that prioritizes stability over market share expansion.
Read the market outlookThe rivals identified
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Access the full report for freeThe Analyst's Read
Key takeaways for IN HVAC Calculator
Where is it heading?
The professional inspection utility market is increasingly moving toward cloud-connected, database-driven reference tools. IN HVAC Calculator remains a static, offline-first utility, which limits its ability to compete with modern, frequently updated alternatives.
- The 877-day update gap suggests a maintenance-only posture, which limits the potential for feature-driven growth in the professional inspection market.
The SWOT
- Specialized calculation suite provides immediate field utility
- Database-backed model number lookups could increase value
Next best moves
Audit core calculation logic because the app has been silent for 29 months → ensure continued reliability for professional users.
The counter-intuitive read
The lack of monetization is a competitive advantage for a niche professional tool…
Read the full takeBottom line
IN HVAC Calculator provides a stable, free reference tool for inspectors, but the multi-year development silence risks obsolescence as mobile OS standards evolve.
Unlock 1 critical friction, 1 market threat and the analyst’s take.
Access the full report for freeFAQ
Is IN HVAC Calculator suitable for professional home inspectors?
Does IN HVAC Calculator require a subscription?
How often is IN HVAC Calculator updated?
Sources
- [1] App Store, source
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