Comparison

HVAC Load Plus vs measureQuick HVAC

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

HVAC Load Plus

Perform detailed heating and cooling load calculations for buildings in the field using your iPhone. Access a vast weather database and construction data to generate comprehensive reports that can be emailed or exported to spreadsheets.

Highlights
  • Detailed heating and cooling load calculations
  • 1000+ city weather database
  • Extensive construction type data
  • Unlimited project creation and storage
  • Comprehensive load breakdown reports
  • Emailable HTML reports with spreadsheet attachments
  • Company information display on reports
Features
Read full description

The HVAC Load+ iPhone app allows you to perform detailed heating and cooling block loads for small commercial and residential buildings out in the field by taking advantage of the simplicity and power of the iPhone. It performs heating and cooling block load calculations based upon industry standard calculation methods. The following is just a small sample of the features included in this app: 1. Includes a 1000+ world-wide city weather database 2. Includes data for 100s of construction types for walls, roofs, floors, doors, windows, skylights, ceilings, and more 3. Allows you to create and store an unlimited number of projects. You can also copy existing projects to new projects for easy reuse of data 4. Allows you to specify an unlimited # of opaque types (ie – doors, walls, roofs, floors, ceilings), window types, and skylight types for each building 5. Allows you to view comprehensive cooling and heating load breakdown reports including breakdown by opaque load, window load, skylight load, infiltration load, ventilation load and internal load contributions 6. Opaque inputs include opaque type, opaque construction number, dimensions, and opening areas 7. Window inputs include window type, internal and external shading type, overhang dimensions, window area, and more.. 8. Skylight inputs include skylight type, dimensions, orientation, and more.. 9. Additional input types include # of people, # of bedrooms, ventilation airflow, and more.. 10. Includes the ability to display a comprehensive HTML report that you can email to yourself or others, and it also includes a spreadsheet attachment that you can open in Excel to further massage data on your desktop 11. Includes ability to input your company information to display on the emailed report 12. Includes ability to display units in either English (IP) or Metric (SI). 13. Equipment location services It also includes 2 bonus modules: 1. The "HVAC Equipment Locator" has the same functionality as our stand-alone Locator app. It allows you to input information about all of your HVAC equipment, upload it to a remote web server (at www.carmelsoft.com/EL), and SAFELY share information about it with other technicians within your company. The equipment's GPS coordinates become its globally unique identifier, allowing you to input and retrieve information about it just by standing next to it. 2. The “HVAC Quick Load” module allows you to quickly perform rule-of-thumb heating and cooling load calcs based upon just inputting the building type, square area, and # of people. Please see the description located under the stand-alone "HVAC Quick Load" app for more details about it. The benefits of using this app are: 1. Great for use out in the field. Quickly size heating and cooling equipment, show the client, then email the results back to your office for further analysis. 2. Show off your advanced on-screen reports to clients convincing them you are using cutting-edge technology 3. Save time by inputting information in the field and then returning to your office to perform more in-depth analysis This app was designed by Carmel Software Corporation, a 20-year old software design firm specializing in engineering analysis software applications geared toward engineers, architects, technicians, and home owners. In fact, our software powers the analysis capabilities of major Autodesk software tools such as Revit (The makers of AutoCAD). We will continue to update this app based upon user feedback. Please email us at info@carmelsoft.com for any comments. We also offer training and tutorial videos at: www.carmelsoft.com/HVACLoadPlus.

About

measureQuick HVAC

This application helps HVAC technicians diagnose and repair systems quickly and accurately. It offers robust diagnostic tools to identify problems faster, leading to fewer callbacks and more satisfied customers. It supports various HVAC systems, making it an all-in-one solution for professionals.

Highlights
  • Quick HVAC system diagnosis
  • Accurate repair solutions
  • Reduced troubleshooting time
  • All-in-one HVAC system support
  • Improved customer satisfaction
Read full description

Ready to work smarter, not harder? The measureQuick HVAC App gives you everything you need to diagnose HVAC systems quickly and accurately. With powerful new tools and features, you can solve any job on the spot and keep your customers happy. Why Choose measureQuick? • Faster Fixes: Diagnose and repair systems more accurately, measureQuick has the most robust diagnostic capabilities on the market to help you find the problem faster. • Fewer Callbacks: Spend less time troubleshooting and more time fixing things right the first time, which means more money in your pocket and more satisfied customers. • All-in-One App: Whether you’re working with heat pumps, AC units, or any HVAC system, measureQuick has the tools and features to help you get it done. Download measureQuick and see how easy HVAC diagnostics can be!

Screenshots

HVAC Load Plus4 screens
measureQuick HVAC4 screens

Verdict

The call

The clearest difference is price: measureQuick HVAC at Free against HVAC Load Plus's $24.99. measureQuick HVAC also leads on rating (4.5 vs 2.8) and in-app purchases (none vs 1). HVAC Load Plus's advantage is review sentiment (60% vs 38%). On ratings volume, ads, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

measureQuick HVAC is free to download; HVAC Load Plus costs $24.99 up front. HVAC Load Plus sells 1 one-off in-app purchase. measureQuick HVAC asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

measureQuick HVAC holds the better App Store score, 4.5 against 2.8. Both are backed by a comparable volume of ratings — 5 and 8 respectively. Written reviews complicate that: 60% of HVAC Load Plus's written reviews are positive against 38% of measureQuick HVAC's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

HVAC Load Plus ships an update every 9 months, measureQuick HVAC every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard6 real differences · 4 level
HVAC Load Plus versus measureQuick HVAC: the parameters behind the verdict, then further details
ParameterHVAC Load PlusmeasureQuick HVAC
Price$24.99Free — better
Rating2.8 (5 ratings)4.5 (8 ratings) — better
Positive reviews60.0% of reviews — better38.2% of reviews
Number of ratings58 — better
Update frequencyEvery 9 monthsEvery 2 months — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationPaidFree — better
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.012.0 — better
Further details — not scored
Size18 MB144 MB
Age rating+44+
DeveloperCarmel Software CorporationmeasureQuick

Customer experience

HVAC Load Plus

All ratings5 ratings
Positive40.0%
Neutral0.0%
Negative60.0%
Written reviews15 reviews
Positive60.0%
Neutral20.0%
Negative20.0%

measureQuick HVAC

Written reviews152 reviews
Positive38.2%
Neutral11.2%
Negative50.7%

Bugs and requests

HVAC Load Plus

Not enough reviews yet to summarise bugs or requests.

measureQuick HVAC

Reported bugs

4 issues
  • App not loading or showing a blank screen
  • Bluetooth device connectivity issues
  • Frequent need to delete and reinstall the app
  • Incompatibility with newer iOS versions

Requested features

5 requests
  • Add support for more HVAC tools and equipment
  • Improve compatibility with iOS updates
  • Provide a more user-friendly classic view
  • Offer a reasonable monthly/annual subscription option
  • Add a static pressure gauge

In-app purchases

1 purchases

HVAC Load Plus

One-time1
  • HVAC Equipment Locator$9.99
None

measureQuick HVAC

No in-app purchases

Questions

Is HVAC Load Plus free?
HVAC Load Plus costs $24.99, and also offers in-app purchases.
Is measureQuick HVAC free?
measureQuick HVAC is free to download, with no in-app purchases.
Which has better reviews, HVAC Load Plus or measureQuick HVAC?
measureQuick HVAC is rated higher. HVAC Load Plus averages 2.8 out of 5 from 5 ratings, while measureQuick HVAC averages 4.5 from 8 ratings.
Do HVAC Load Plus or measureQuick HVAC have ads?
Neither HVAC Load Plus nor measureQuick HVAC shows ads.
Which is updated more often, HVAC Load Plus or measureQuick HVAC?
HVAC Load Plus ships an update every 9 months, and measureQuick HVAC every 2 months. Most recently, HVAC Load Plus was updated on November 1, 2026 and measureQuick HVAC on November 3, 2026.

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