Search  for anything...
Trane

Trane TD1 Ductulator with Sleeve, Duct Sizing Calculator

  • Based on 0 reviews
Condition: New
Checking for the best price...
$27.59 Why this price?

Buy Now, Pay Later

As low as $6 / mo
  • – 4-month term
  • – No impact on credit to apply
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout.

Payment plans are offered through our trusted finance partners Klarna, Affirm, Afterpay, Apple Pay, and PayTomorrow. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Free shipping on this product

FREE 30-day refund/replacement

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

Availability: In Stock.
Fulfilled by Amazon
Arrives Saturday, May 9
Order within 14 hours and 15 minutes
Available payment plans shown during checkout
Protection Plan Protect Your Purchase
Checking for protection plans...

Recently Viewed

Features

  • Multicolorido, vermelho, verde e azul
  • Um lado em ingles, um lado metrico, meerkleurig rood, groen en blauw.
  • Lichtdoorlatende beschermhoes met ashrae aanbevolen design luchtvelocities
  • Klassieke ductulatorstijl.
  • Een kant Engels, een kant metrisch

Description

The Ductulator - Duct Sizing Calculator is a hand held rotating calculator used for sizing supply and return duct systems using the equal friction design method. Includes scales for friction loss per unit length, air volume, air velocity, round duct diameter, and rectangular duct diameters. One side uses English units, the other side uses Metric units. Includes a protective sleeve with ASHRAE recommended design air velocities for system components/applications.

Manufacturer: ‎Trane


Part Number: ‎TD1


Item Weight: ‎3.04 ounces


Product Dimensions: ‎10.25 x 8.75 x 0.13 inches


Item model number: ‎TD1


Batteries: ‎1 Unknown batteries required.


Is Discontinued By Manufacturer: ‎No


Size: ‎Small


Color: ‎White


Style: ‎Klassieke


Material: ‎Plastic


Power Source: ‎Battery Powered


Item Package Quantity: ‎1


Display Style: ‎LED


Batteries Included?: ‎No


Batteries Required?: ‎No


Date First Available: August 13, 2009


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Saturday, May 9

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Similar Products

Top Amazon Reviews

    • Works as intended
Good quality, laminated and easy to use. Colors are crisp and clear. I’m a mechanical engineer and this is handy
Reviewed in the United States on October 13, 2024 by Amazon Customer
    • Useful for Even a DIYer
Like everything about it. After watching a few YouTube videos I've got enough understanding to at least question people quoting my project.
Reviewed in the United States on May 13, 2024 by Bruce A.
    • N/a
Exactly what I was looking for
Reviewed in the United States on July 17, 2025 by TG
    • Works great
I use it at work, almost everyday. I don't like that it's on both sides. Makes it more difficult to use but it's still a great product.
Reviewed in the United States on June 26, 2019 by Drew
    • Great tool
Awesome Ductulator works as a Ductulator should easy to read and moves great now I can size my duct correctly
Reviewed in the United States on February 17, 2023 by Joe C.
    • works as it should
came in perfect condition
Reviewed in the United States on January 16, 2025 by Leo Pascale
    • Thank you
Works great
Reviewed in the United States on December 5, 2024 by Aaron Roth
    • Good quality
Good quality
Reviewed in the United States on December 6, 2023 by Tina Millwood

Can't find a product?

Find it on Amazon first, then paste the link below.
Checking for best price...