Report updated Apr 28, 2026

Overview · Full Intel report in progress

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HVAC Load Plus is an established productivity app that is a paid app. With a 2.8/5 rating from 5 reviews, it shows polarized user reception.

What is HVAC Load Plus?

HVAC Load Plus is a mobile tool designed for field professionals to perform heating and cooling block load calculations for residential and small commercial buildings. It leverages a built-in database of global weather data and construction materials to generate comprehensive load breakdown reports.

Current Momentum

v4.96 · 3d ago

Intense

Last updated 3d ago. 5 versions tracked.

AI-powered deep analysis surfacing high-signal insights. Still in beta, accuracy improves daily. For informational purposes only.

Competition

Rivals identification in progress

7-Day Rank Pulse 🇺🇸

Productivity

No 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?

Weather DatabaseStandard

Includes a database of over 1,000 worldwide cities for localized climate calculations.

Construction Material LibraryStandard

Provides data for hundreds of construction types including walls, roofs, floors, doors, windows, and skylights.

Project ManagementStandard

Supports unlimited project storage with the ability to copy existing projects for data reuse.

Load ReportingStandard

Generates detailed cooling and heating load breakdown reports categorized by opaque and window components.

How much does it cost?

Paid

Who Built It?

Carmel Software Corporation app icon 1
Carmel Software Corporation app icon 2
Carmel Software Corporation app icon 3
Carmel Software Corporation app icon 4

Carmel Software

(116)

Providing specialized engineering calculation tools for HVAC professionals. Streamlining complex thermodynamic and system sizing tasks for field technicians.

Portfolio

13

Apps

Free 3Paid 9
Productivity67%
Business25%
Utilities8%

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
Intense

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.

Last release · 5d agoActive apps · 26Abandoned · 3

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 Load Plus?

How's The Productivity Market?

How does it evolve in the Productivity market?

ChartRankChange
iOSPaid#8327
iOSPaid#9113
No rank history available for this chart.

Strategic analysis coming soon

SWOT, key takeaways & outlook

The outtake for HVAC Load Plus

Key Takeaways

While the app offers robust field calculation capabilities, users report significant concerns regarding data portability, lack of recent updates, and usability limitations.

Where Is It Heading?

Trend analysis

Available very soon

Disclosure

Independent intel to help builders create better apps.

AI-powered analysis with editorial review, built from publicly available sources. See methodology.

Marlvel.ai is not affiliated with, endorsed by, or sponsored by HVAC Load Plus, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

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Cite this report

Marlvel.ai. “HVAC Load Plus Intelligence Report.” Updated Apr 28, 2026. https://marlvel.ai/intel-report/productivity/hvac-load-plus

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