Ductulator vs TEC Excelsior HVAC Pro+
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
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.
- 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
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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
Verdict
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
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.
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.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.
| Parameter | Ductulator | TEC Excelsior HVAC Pro+ |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | 4.7 (353 ratings) — better | 4.4 (12 ratings) |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 353 — better | 12 |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Best chart rank | #25 — better | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.6 | 16.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 163 MB |
| Age rating | 4+ | 4+ |
| Developer | Wassim Murr | Watsco, Inc. |
Customer experience
Ductulator
TEC Excelsior HVAC Pro+
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
Ductulator
No in-app purchases
TEC Excelsior HVAC Pro+
No in-app purchases
Questions
Is Ductulator free?
Is TEC Excelsior HVAC Pro+ free?
Which has better reviews, Ductulator or TEC Excelsior HVAC Pro+?
Do Ductulator or TEC Excelsior HVAC Pro+ have ads?
Which is updated more often, Ductulator or TEC Excelsior HVAC Pro+?
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