Gas Laws icon
HVAC Duct Sizer icon
HVAC Equipment Locator icon
+29

Carmel Software

For hVAC engineers, field technicians, and installers requiring precise, on-the-go thermodynamic and system sizing calculations.

Known forSteam Tables
32apps2.1(1.3K) Multi-theme

Snapshot

Who is Carmel Software?

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

Target audience

HVAC engineersField techniciansInstallers requiring precise

Active nemesis

Watsco

Other rivals

Portfolio

Free 12
32
apps
Productivity13
Tools10
Business5
Utilities4

Last updated

Steam Tables

v6.2.1

11mo ago

Intense

Publisher DNA

What defines Carmel Software?

Publisher DNA

Primary focus

Technical engineering and HVAC utility tools

Scale

studio

Target audience

HVAC engineers, field technicians, and installers requiring precise, on-the-go thermodynamic and system sizing calculations.

Signature Patterns

  • Heavy reliance on specialized engineering and thermodynamic calculation modules
  • Integration of HVAC Equipment Locator features across multiple utility titles
  • Hybrid monetization strategy mixing paid one-time fees with ad-supported free versions
  • Focus on professional-grade utility tools rather than consumer-facing productivity
  • High-frequency update cadence for core engineering calculation apps
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

Portfolio

What does Carmel Software ship?

Apps

32 apps analysed

Gas Laws icon
Gas Laws

Gas Laws is an application to solve the equations of the ideal and real gases.

1.0(1)
View Intel →

Cloud-based equipment tracking provides a B2B retention mechanism for contractors

  • Mechanical contractors and HVAC technicians rely on the app for daily duct sizing calculations in the field
  • Users report the interface stops scrolling after data entry, forcing a restart to view calculation results

Single-market publisher, every app ships only to United States.

Based on 4 of 32 apps with localized market data, more coverage rolling in as scans complete · last scanned .

Americas (1)

  • United States4 / 4

Core markets (4/4 apps)

United States

User Sentiment

How do users feel about their apps?

4

Positive apps

0

Neutral / mixed

0

Negative apps

76/100

Avg sentiment score

Rivals

Who does Carmel Software compete with?

The rivals identified

Nemeses(1)

Watsco

known forBaker HVAC Pro+

2 apps4.9Productivity

Both apps target HVAC technicians in the field, overlapping on the professional user base despite differing primary workflows.

Contenders(9)

BASEMAPPED

known forBaseCalc HVAC Calculator

1 app5.0Productivity

Both apps target HVAC field technicians for on-site calculations, with HVAC Load Plus focusing on block load reports and BaseCalc providing a suite of field arithmetic tools.

DAVID C ROSS

known forScanPlan: HVAC Load & Ducts

1 app5.0Productivity

Both apps target HVAC technicians for on-site load calculations, creating direct competition for field-based design workflows.

Melchisedec Martinez Rodriguez

known forAC Calculator - HVAC Sizing

1 app4.0Productivity

Both apps target HVAC professionals for sizing and load calculations, creating direct competition for on-site utility usage.

Mike Watson

known forHVAC Load Calculator Manual J

1 app4.7Productivity

Both apps target HVAC contractors for on-site load calculations, creating direct competition for the same professional user base.

Mikhail Nikitin

known forDuct Calculator - DuctCalc

1 app4.5Productivity

Both apps target HVAC field professionals, creating a direct conflict for screen time during on-site technical calculations.

PLAYRIOT

known forHVAC Pro Calculator: NEC + P-T

1 app5.0Productivity

Both apps target HVAC technicians with on-site load calculation tools, creating direct competition for field-use utility.

Rizvan Adzhoian

known forHeat Load Calc HVAC

1 app5.0Productivity

Both applications target HVAC technicians and contractors by providing on-site heating and cooling load calculation tools for residential and commercial projects.

Ryan Perchak

known forHVAC Calculator Load Pro

1 app4.0Productivity

Both applications target HVAC technicians performing residential load calculations, competing for the same professional user base requiring on-site sizing tools.

Sachinbhai Surani

known forDuct Calculator.

1 app4.7Productivity

Both apps target HVAC technicians for on-site calculations, creating a shared audience despite focusing on different technical aspects: load calculation versus duct sizing.

Same space(9)

ACLogics

known forACLogics: Pro HVAC Field Tool

1 app0.0Productivity

This tool targets the same field technician demographic by providing a structured diagnostic path to identify equipment root causes.

Angel Martinez

known forSLD | Electrical diagrams

1 app4.3Productivity

While focused on electrical rather than gas piping, it competes for the same professional productivity workflow in engineering design.

Bluon

known forBluon HVAC

1 app4.8Productivity

This platform serves the same field technician audience by providing technical documentation and live support for equipment repairs.

Charles Crawford

known forEngineers Toolbox

1 app4.0Productivity

This app serves as a broad engineering reference suite, positioning it as a horizontal competitor to specialized piping tools.

Christopher Brown

known forHVAC/R AI Pro

1 app4.6Productivity

This assistant provides field-focused diagnostic support for technicians, overlapping with the utility-based workflow of load calculation tools.

Kalos Services

known forHVAC School

1 app4.7Productivity

This platform targets the same professional audience by offering educational content and calculators to improve field competency.

Mean HVAC Consulting & Design

known forMean HVAC BS Tools

1 app5.0Productivity

This toolkit offers specific engineering calculators that serve as alternatives to manual methods for building science applications.

Quasarts

known forKeyplan 3D - Home design

1 app4.6Productivity

This app occupies the productivity space for building design, representing an adjacent workflow for HVAC and piping professionals.

Robert Sale

known forFieldFab

1 app4.5Productivity

This tool addresses the same field installer audience by solving specific physical fabrication tasks during ductwork installation.

The Analyst's Read

The bottom line on Carmel Software

Bottom line

Carmel Software is a disciplined, niche-focused studio that successfully leverages domain-specific technical utility to maintain a loyal professional user base. Their ability to bundle specialized tools into comprehensive toolkits provides a clear value proposition for field technicians, though they must navigate the commoditization of basic engineering calculations.

Frequently asked questions

How many apps does Carmel Software publish?
Carmel Software has 32 apps tracked by Marlvel, primarily in the Productivity category.
What kind of apps does Carmel Software make?
Carmel Software's portfolio is concentrated in Productivity and Tools, with an average rating of 2.1/5 across rated apps.
What is Carmel Software's top app?
By review volume across the portfolio, Steam Tables is Carmel Software's best-known app tracked by Marlvel.
In how many countries are Carmel Software's apps available?
Marlvel has tracked Carmel Software's apps across 1 country.

What fed this analysis

Apps analyzed:
32
With full intel:
1
With overview:
32
Website scraped:
yes
Social presence:
no

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Carmel Software, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “Carmel Software intelligence.” Updated 2026-05-04. https://marlvel.ai/publishers/carmel-software-corporation

See methodologyContact support

Data licensed under CC-BY-NC 4.0