Air Duct Sizing Calculator

Q: Does the problem with sticker placement still exist?

No. Product identification stickers are easy peel removable labels. Labels can be removed with little effort.

Q: Would this be the appropriate calculator for flex ducting? It says round but I don't know if that's metal or flex.

This calculator is not for flex ducting. Flex ducting has a different friction loss and varies by manufacturer so there is no universal calculator that works for all flex ducting.

Product ID: 374383964

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Details

Brand
HVAC Charts
Colour
Rust
Calculator Type
Power source
Battery
Screen size
4 Inches

💧Water-resistant durable build

📏Precision sizing scales

📐Dual-sided multi-functional design

Frequently Bought Together

Air Duct Sizing Calculator

REVISED AND UPDATED! HVAC Tables, Equations & Rules of Thumb Quick-Card

Trane TD1 Ductulator with Sleeve, Duct Sizing Calculator

Description

📏 Master your airflow game with precision and style!

BUILT TO LAST ON SITE - Crafted from thick, water-resistant paper with reinforced edges and rivets to withstand daily jobsite wear.
COMPACT READY TO GO - Slim 4x8.5 inch design fits effortlessly in your tool belt or bag—never leave critical calculations behind.
INSTANT REFERENCE GUIDE - Includes recommended duct velocities, sheet metal gauges, and essential HVAC formulas—no more flipping through manuals.
ALL IN ONE DUAL SIDED TOOL - Front scales meet back fitting equivalents and pressure drop charts—your portable HVAC bible.
PRECISION AT YOUR FINGERTIPS - Accurately size supply and return ducts using equal friction or velocity reduction methods for flawless HVAC performance.

The Air Duct Sizing Calculator by Nash Enterprise is a compact, dual-sided HVAC tool designed for professionals to accurately size supply and return duct systems using equal friction or velocity reduction methods. Made from durable, water-resistant materials with reinforced edges, it features scales, fitting equivalents, pressure drop charts, and essential HVAC formulas all in one portable device measuring just 4 by 8.5 inches.

Specifications

Manufacturer	Nash Enterprise
Brand	HVAC Charts
Model number	9W-7LPQ-JTV2
Product Dimensions	10.16 x 21.59 x 0.1 cm; 27 g
Color	Rust
Material Type	Other
Manufacturer Part Number	9W-7LPQ-JTV2
Item Weight	27 g

Have a Question? See What Others Asked

Does the problem with sticker placement still exist?

Would this be the appropriate calculator for flex ducting? It says round but I don't know if that's metal or flex.

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