Comparison

Ductulator vs TEC Excelsior HVAC Pro+

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

Head to head
About

Ductulator

Instantly calculate HVAC duct sizes based on airflow, friction rate, or velocity. This tool provides accurate duct dimensions in seconds without needing charts, supporting various duct types and units.

Highlights
  • Instant duct sizing
  • Friction rate or velocity calculation
  • Multiple valid duct dimensions
  • IP and SI units support
  • Detailed sizing mode
  • Rectangular, circular, and flexible ducts
Features
Currently charting
Read full description

Size HVAC ducts instantly using airflow, friction or velocity. Get accurate duct dimensions in seconds — no charts required. • Get a range of suitable duct sizes based on friction rate or velocity. • Get multiple valid duct dimensions instantly. • Tap on Friction Rate or Velocity to toggle between calculation methods. • IP and SI units. • Detailed sizing mode to adjust the duct dimensions and air flow rates. • Supports rectangular, circular and flexible ducts. • Automatic friction and velocity updates. Calculations are based on standard air 0.075 lb/ft3 (1.2 kg/m3) in clean galvanized steel or non-metallic flexible ducts. Any feedback is welcome, and will be the basis for future updates.

About

TEC Excelsior HVAC Pro+

This app provides HVAC professionals with quick access to product information, pricing, and availability. It includes tools for searching equipment, verifying warranties, and accessing technical documents, streamlining on-site work.

Highlights
  • View pricing and order status
  • Real-time product availability
  • Search HVAC models and parts
  • Verify warranty and submit claims
  • Access spec sheets and diagrams
  • HVAC calculators (PT, Sub-Cool, Superheat)
  • Branch locator and directions
Features
Read full description

Temperature Equipment Co and National Excelsior’s mobile app is your HVAC “Easy Button”. It can make your life easier and save time by providing access to product information and useful tools whether you’re on-site, in the drive-thru, or just sitting at home watching TV. Features & Benefits You can: * link to your Temperature Equipment Co and National Excelsior account to view your pricing and order status data, as well as real-time product availability at your preferred branch and other nearby Temperature Equipment Corporation branches * easily find Temperature Equipment Co and National Excelsior locations, hours, & phone numbers. Get driving directions through your favorite mapping app * search for HVAC equipment models and view the parts list and superseded parts. Scan QR codes or UPC Bar Codes for faster product lookups * also search by system needs to find AHRI matched systems * verify warranty registrations, get related data, and even submit warranty claims while in the field * view spec sheets, wiring diagrams, installation guides, consumer literature, etc. for Temperature Equipment Corporation products * receive push notifications of special offers & promotions from Temperature Equipment Co and National Excelsior * access multiple useful calculators, including the PT calculator, Sub-Cool calculator, Superheat calculator, Existing Duct calculator, and New Duct calculator * quickly access the flashlight tool to light up attics, closets and equipment while you work Temperature Equipment Co and National Excelsior’s mission is to deliver the quality HVAC products you need, when you need them, and provide expert technical support. Temperature Equipment Co and National Excelsior are the HVAC professionals’ supplier of choice, and we work hard every day to earn and keep your trust

Screenshots

Ductulator4 screens
TEC Excelsior HVAC Pro+4 screens

Verdict

The call

The clearest difference is price: TEC Excelsior HVAC Pro+ at Free against Ductulator's $3.99. TEC Excelsior HVAC Pro+ also leads on iOS requirement (16.0 vs 18.6). Ductulator's advantage is rating (4.7 vs 4.4) and ratings volume (353 vs 12). On update cadence, 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

TEC Excelsior HVAC Pro+ is free to download; Ductulator costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Ductulator holds the better App Store score, 4.7 against 4.4. That said, the two scores are not equally well evidenced: Ductulator has 353 ratings behind it against 12, so its average is the more settled of the two.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

Scorecard6 real differences · 5 level
Ductulator versus TEC Excelsior HVAC Pro+: the parameters behind the verdict, then further details
ParameterDuctulatorTEC Excelsior HVAC Pro+
Price$3.99Free — better
Rating4.7 (353 ratings) — better4.4 (12 ratings)
Positive reviews50.0% of reviews—
Number of ratings353 — better12
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterAd-supported
Best chart rank#25 — better—
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.616.0 — better
Further details — not scored
Size1 MB163 MB
Age rating4+4+
DeveloperWassim MurrWatsco, Inc.

Customer experience

Ductulator

All ratings317 ratings
Positive93.4%
Neutral2.2%
Negative4.4%
Written reviews22 reviews
Positive50.0%
Neutral13.6%
Negative36.4%

TEC Excelsior HVAC Pro+

All ratings12 ratings
Positive83.3%
Neutral8.3%
Negative8.3%

Bugs and requests

Ductulator

Reported bugs

4 issues
  • Decimal point doesn't work on calculator
  • New flex option isn't working properly
  • Friction rate can't be changed in the latest version
  • Skips duct sizes (e.g., 24-26)

Requested features

5 requests
  • Ability to pick duct size and see CFM
  • Include flat oval ducts
  • Option to select round or square duct
  • Ability to enter duct size and get CFM
  • Option for flex duct

TEC Excelsior HVAC Pro+

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Ductulator

No in-app purchases

None

TEC Excelsior HVAC Pro+

No in-app purchases

Questions

Is Ductulator free?
Ductulator costs $3.99, with no in-app purchases.
Is TEC Excelsior HVAC Pro+ free?
TEC Excelsior HVAC Pro+ is free to download, with no in-app purchases.
Which has better reviews, Ductulator or TEC Excelsior HVAC Pro+?
Ductulator is rated higher. Ductulator averages 4.7 out of 5 from 353 ratings, while TEC Excelsior HVAC Pro+ averages 4.4 from 12 ratings.
Do Ductulator or TEC Excelsior HVAC Pro+ have ads?
Neither Ductulator nor TEC Excelsior HVAC Pro+ shows ads.
Which is updated more often, Ductulator or TEC Excelsior HVAC Pro+?
Ductulator ships an update every 2 months, and TEC Excelsior HVAC Pro+ every 2 months. Most recently, Ductulator was updated on October 26, 2026 and TEC Excelsior HVAC Pro+ on October 24, 2026.

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