Comparison

HVAC Residential Load Calcs vs AirMatch Pro

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

Head to head
About

HVAC Residential Load Calcs

Perform detailed residential heating and cooling load calculations in the field. This app offers extensive data on building materials, weather, and project management for HVAC engineers and technicians.

Highlights
  • Block and room-by-room load calculations
  • 1000+ city weather database
  • Extensive construction material data
  • Unlimited project and room storage
  • Instant load result updates
  • Comprehensive load breakdown reports
  • HTML report generation with spreadsheet attachment
Features
Read full description

This app may just change the way you do business. This is one of the longest running HVAC Manual J8 cooling and heating load calculation apps on the market today. See why tens of thousands of engineers, technicians, and architects have licensed our software for their HVAC engineering needs. (For full online help, click here: http://bit.ly/1GlRulY. For training webinar, click here: http://bit.ly/1IHn7nA) This app now includes the HVAC Equipment Locator. Click here for details: http://bit.ly/1yTq539. This app allows you to perform detailed block and room-by-room heating and cooling loads for residential buildings out in the field, by taking advantage of the simplicity and power of the iPhone. This app was designed by Carmel Software Corporation, a 25-year old software design firm specializing in engineering analysis software applications. We are not just 1 person designing mobile apps out of a bedroom. We are a team of software developers and engineers with over 50 years combined software and engineering design experience. In fact, our software powers the analysis capabilities of major Autodesk (The makers of AutoCAD) software tools such as Autodesk Revit. The following is just a small sample of the features included in this app: 1. Calculations based upon abridged ACCA Manual J8 calculations (This is not an ACCA-approved app. For our ACCA-approved iPad app, search for the HVAC ResLoad-J app on the app store) 2. Includes a 1000+ world-wide city weather database 3. Includes data for 100s of construction types for walls, roofs, floors, doors, windows, skylights, ceilings, and more 4. Allows you to create and store an unlimited number of projects 5. Allows you to create an unlimited number of rooms and view individual loads and airflows for those rooms 6. Allows you to specify an unlimited # of opaque types (ie – doors, walls, roofs, floors, ceilings), window types, and skylight types for each building 7. Allows you to instantly view total heating and cooling load results as you update input data 8. 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 9. Opaque inputs include opaque type, opaque construction number, dimensions, and opening areas 10. Window inputs include window type, internal and external shading type, overhang dimensions, window area, and more.. 11. Additional input types include # of people, # of bedrooms, ventilation airflow, and more.. 12. Includes ability to display a wide variety of on-screen reports including checksum reports (ie – BTUh/SqFt, SqFt/Ton, etc.), complete heating and cooling load breakdown reports, and even graphically-pleasing pie charts showing cooling and heating load breakdowns 13. 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 14. Includes English (IP) or Metric (SI) units 15. This is the same technology that powers the Trane MAP iPad app that they offer to their elite dealer network The benefits of using this app are numerous including: 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

About

AirMatch Pro

Streamline HVAC sales with intuitive proposal software. Generate quotes, build efficient systems, and integrate e-signatures for a seamless closing process. Features industry-standard load calculations and rebate information.

Highlights
  • Intuitive sales proposal creation
  • Native DocuSign integration
  • AHRI-rated system building
  • Unitary and ductless system design
  • Industry-standard load calculations
  • Efficiency and rebate information
Features
Read full description

Intuitive HVAC replacement sales proposal software. Quote, click, close with built-in AirMatch Sign e-signatures. Build AHRI-rated systems for unitary and ductless on the fly, ensuring the best efficiency and rebates. Quick, accurate, industry standard load calcs. SUBSCRIPTION INFORMATION AirMatch Pro is sold as an auto-renewable subscription. Plans are offered on a monthly or an annual term, sized by the number of users on your account. The subscription title, term, and price are shown in the app before you confirm a purchase. Payment is charged to your Apple Account at confirmation of purchase. A subscription renews automatically for the same term unless auto-renew is turned off at least 24 hours before the end of the current period, and your account is charged for the renewal within 24 hours before the current period ends. You can manage or cancel your subscription in your Apple Account settings after purchase. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://airmatchpro.com/privacy

Screenshots

HVAC Residential Load Calcs4 screens
AirMatch Pro4 screens

Verdict

The call

The clearest difference is review sentiment: AirMatch Pro at 100% against HVAC Residential Load Calcs's 50%. AirMatch Pro also leads on price (Free vs $34.99) and rating (5.0 vs 3.0). On ratings volume, ads, in-app purchases and device support 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

AirMatch Pro is free to download; HVAC Residential Load Calcs costs $34.99 up front. HVAC Residential Load Calcs sells 1 one-off in-app purchase and AirMatch Pro sells 4 in-app purchases, starting at $49.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

AirMatch Pro holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 3 and 5 respectively. Written reviews point the same way: 50% of HVAC Residential Load Calcs's written reviews are positive against 100% of AirMatch Pro's.

UpkeepUpdate frequency

HVAC Residential Load Calcs ships an update every 4 months, AirMatch Pro fortnightly. The most recent releases landed on November 10, 2026 and November 3, 2026 respectively.

Scorecard5 real differences · 5 level
HVAC Residential Load Calcs versus AirMatch Pro: the parameters behind the verdict, then further details
ParameterHVAC Residential Load CalcsAirMatch Pro
Price$34.99Free — better
Rating3.0 (3 ratings)5.0 (5 ratings) — better
Positive reviews50.0% of reviews100.0% of reviews — better
Number of ratings35 — better
Update frequencyEvery 4 monthsFortnightly — better
AdsNoNo
In-app purchasesYesYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.6 — better16.0
Further details — not scored
Size17 MB24 MB
Age rating+44+
DeveloperCarmel Software CorporationImogen Technologies, LLC

Customer experience

HVAC Residential Load Calcs

All ratings3 ratings
Positive33.3%
Neutral33.3%
Negative33.3%
Written reviews20 reviews
Positive50.0%
Neutral10.0%
Negative40.0%

AirMatch Pro

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

HVAC Residential Load Calcs

One-time1
  • HVAC Equipment Locator$9.99
4 purchases

AirMatch Pro

Subscriptions4
  • Laser Calc Only$49.991 Month
  • AirMatch: up to 5 users$249.991 Month
  • AirMatch: up to 10 users$299.991 Month
Show 1 more
  • AirMatch: unlimited users$399.991 Month

Questions

Is HVAC Residential Load Calcs free?
HVAC Residential Load Calcs costs $34.99, and also offers in-app purchases.
Is AirMatch Pro free?
AirMatch Pro is free to download, with in-app purchases available.
Which has better reviews, HVAC Residential Load Calcs or AirMatch Pro?
AirMatch Pro is rated higher. HVAC Residential Load Calcs averages 3.0 out of 5 from 3 ratings, while AirMatch Pro averages 5.0 from 5 ratings.
Do HVAC Residential Load Calcs or AirMatch Pro have ads?
Neither HVAC Residential Load Calcs nor AirMatch Pro shows ads.
Which is updated more often, HVAC Residential Load Calcs or AirMatch Pro?
HVAC Residential Load Calcs ships an update every 4 months, and AirMatch Pro fortnightly. Most recently, HVAC Residential Load Calcs was updated on November 10, 2026 and AirMatch Pro on November 3, 2026.

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