Report updated May 10, 2026
Overview · Full Intel report in progress
HVAC-calculator is an established productivity app that is a paid app. With a 4.0/5 rating from 1 reviews, it shows polarized user reception.
What is HVAC-calculator?
Current Momentum
v2.2
No release notes available.
Competition
Rivals identification in progress
7-Day Rank Pulse 🇺🇸
ProductivityNo ranking data
Rating Pulse 🇺🇸
What makes this app unique?
What Does It Look Like?
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What Are The Key Features?
Calculates Specific Fan Power (SFP) based on measured or design fan power and airflow, including VAV ventilation scenarios.
Determines temperature efficiency of heat recovery systems and calculates post-recovery temperatures in air handling units.
How much does it cost?
Who Built It?
Trond Rossvoll
Providing utility-focused productivity and weather tools for Apple ecosystem users. Focused on deep integration with iOS widgets and watchOS complications.
Portfolio
4
Apps
What other apps does Trond Rossvoll make?
Explore the full Trond Rossvoll report
Portfolio breakdown, audience, momentum, and every app published by Trond Rossvoll.
Analysis in progress, available soon
What do users think recently?
Analysis in progress, available soon
View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
Analysis in progress, available soon
What is the competitive landscape for HVAC-calculator?
How's The Productivity Market?
How does it evolve in the Productivity market?
Rank progression
2 active rankings tracked — 30-day window
Which niche is HVAC-calculator in?
to perform complex hvac system calculations
Explore the full Hvac Engineering Calculators niche
Every app in this space — 5 tracked, the niche's live rankings, and Marlvel's editorial take on the job-to-be-done.
Strategic analysis coming soon
SWOT, key takeaways & outlook
The outtake for HVAC-calculator
Key Takeaways
This app serves as a portable, specialized calculator for complex HVAC formulas that are difficult to compute manually in the field.
Where Is It Heading?
Trend analysis
Available very soon