Comparison

CE HVAC Pro+ vs Duct Calculator

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

Head to head
About

CE HVAC Pro+

This app provides HVAC technicians with instant access to product information, including warranty status, inventory, and technical specifications. It offers real-time support, order tracking, and helpful calculators to streamline job management and business growth.

Highlights
  • Real-time product availability & pricing
  • Order status and notifications
  • Video/Text technical support
  • Warranty entitlement verification
  • Inventory management tool
  • Access to technical documents
  • HVAC calculators
Features
Read full description

CE HVAC PRO is 100% free for HVAC technicians and always will be. Easily check warranty entitlement, available inventory, order status, manuals, and tech specs for all the HVAC models we carry. Our mission is to deliver the quality HVAC products you need, when you need them, provide expert technical support and make it easy to grow your business. We want to be your HVAC Supplier of Choice every time. CE is the leading HVAC supplier. Making the life of the HVAC professionals easier by saving you time and money through the technologies we offer App Features Include: Real-time product availability & pricing Order status and notifications Video/Text technical support from one of our HVAC expert technical agents Quickly verify warranty entitlements FREE inventory management tool EasyStock included Access a variety of documents such as spec sheets, wiring diagrams, installation guides, and more. PT calculator, Superheat calculator, and Duct calculators Fast and easy AHRI matchups

About

Duct Calculator

This professional HVAC utility assists engineers and technicians with precise duct sizing and airflow calculations for ventilation systems. It simplifies essential calculations for both design and installation work, improving on-site efficiency.

Highlights
  • Calculate duct sizes using airflow (CFM) and velocity (FPM)
  • Supports rectangular and round duct sizing in inches
  • Determine air flow rate in CFM
  • Calculate air velocity in FPM
  • Simple interface for fast on-site calculations
Features
Read full description

Duct Calculator is a focused duct sizing tool for HVAC engineers, designers and installation technicians. Enter what you know and get the duct dimensions, airflow or air velocity you need, without a chart or a slide rule. CALCULATIONS - Duct size: find the required duct dimensions from airflow (CFM) and air velocity (FPM). - Airflow: determine the airflow rate in CFM. - Air velocity: determine velocity in FPM to help verify system performance. DUCT SHAPES - Round ducts - Rectangular ducts - Results shown in inches WHO IT IS FOR - HVAC engineers and designers checking a duct size during design work. - Installation technicians and contractors who need a quick answer on site. - Students learning how airflow, velocity and duct size relate. WHERE IT HELPS - Sizing a new supply or return run from a known CFM. - Checking whether an existing duct keeps velocity within your target. - Comparing a round duct with a rectangular one when space is tight. SIMPLE BY DESIGN A clean interface with only the inputs you need, so you get an answer quickly on the job. Duct Calculator is free to use. An optional one-time upgrade removes ads. Results are intended as a calculation aid. Always confirm designs against applicable codes and project requirements. Download Duct Calculator and size your next duct run. Privacy Policy : https://semiconhub.in/manager/privacy.html Terms and Condition : https://semiconhub.in/manager/tcondition.html

Screenshots

CE HVAC Pro+4 screens
Duct Calculator4 screens

Verdict

The call

The clearest difference is in-app purchases: CE HVAC Pro+ at none against Duct Calculator's 1. CE HVAC Pro+ also leads on update cadence (every 3 weeks vs every 10 months) and ratings volume (1.6K vs 3). On price, rating, ads and monetization model 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

Both are free to download. Duct Calculator sells 1 one-off in-app purchase. CE HVAC Pro+ asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for CE HVAC Pro+ against 4.7 for Duct Calculator. That said, the two scores are not equally well evidenced: CE HVAC Pro+ has 1.6K ratings behind it against 3, so its average is the more settled of the two.

UpkeepUpdate frequency

CE HVAC Pro+ ships an update every 3 weeks, Duct Calculator every 10 months. The most recent releases landed on November 6, 2026 and November 9, 2026 respectively.

Scorecard3 real differences · 7 level
CE HVAC Pro+ versus Duct Calculator: the parameters behind the verdict, then further details
ParameterCE HVAC Pro+Duct Calculator
PriceFreeFree
Rating4.7 (1.6K ratings) — better4.7 (3 ratings)
Positive reviews62.1% of reviews—
Number of ratings1.6K — better3
Update frequencyEvery 3 weeks — betterEvery 10 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.6 — better
Further details — not scored
Size166 MB44 MB
Age rating4+4+
DeveloperWatsco, Inc.Sachinbhai Surani

Customer experience

CE HVAC Pro+

All ratings1,595 ratings
Positive93.2%
Neutral2.6%
Negative4.1%
Written reviews58 reviews
Positive62.1%
Neutral10.3%
Negative27.6%

Duct Calculator

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

CE HVAC Pro+

Reported bugs

3 issues
  • Incorrect verification codes
  • Pricing and availability not showing up
  • Scan feature not working as expected

Requested features

4 requests
  • Improved search and filtering capabilities
  • Seamless account linking and login process
  • Enhanced warranty information and status tracking
  • Optimized app design for larger screens

Duct Calculator

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

CE HVAC Pro+

No in-app purchases

1 purchases

Duct Calculator

One-time1
  • Lifetime premium$9.99

Questions

Is CE HVAC Pro+ free?
CE HVAC Pro+ is free to download, with no in-app purchases.
Is Duct Calculator free?
Duct Calculator is free to download, with in-app purchases available.
Which has better reviews, CE HVAC Pro+ or Duct Calculator?
CE HVAC Pro+ is rated higher. CE HVAC Pro+ averages 4.7 out of 5 from 1.6K ratings, while Duct Calculator averages 4.7 from 3 ratings.
Do CE HVAC Pro+ or Duct Calculator have ads?
Neither CE HVAC Pro+ nor Duct Calculator shows ads.
Which is updated more often, CE HVAC Pro+ or Duct Calculator?
CE HVAC Pro+ ships an update every 3 weeks, and Duct Calculator every 10 months. Most recently, CE HVAC Pro+ was updated on November 6, 2026 and Duct Calculator on November 9, 2026.

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