Milwaukee® ONE vs PT Ductulator

Introducing ONE-KEY™, the first digital platform for tools and equipment. Combining a free-to-use inventory program with the industry’s smartest tools, ONE-KEY™ provides a new level of control and access to information that will revolutionize the way work gets done. Get started today to streamline your productivity. A CENTRAL PLACE TO KEEP ALL YOUR TOOLS Keep the important information right at your fingertips. Snap receipts, log purchase info, set up service reminders, and assign tools out to your employees. BUILT AROUND YOU Manage your equipment down to the project level. Pull reports on recent spend, run inventory audits, even see the cradle-to-grave story of any item in your inventory. TRACK TOOLS ANYWHERE Keep a virtual eye on your things when you can’t. Any ONE-KEY™ app will automatically keep records of the last time it was within 100ft of your ONE-KEY™ compatible tools, allowing you to pinpoint missing items quickly. PREVENT THEFT & TAMPERING Protect your ONE-KEY™ compatible tool by locking it out whenever it’s not in use. If your tool is lost or stolen, render it useless by sending a remote shut-down command to the tool for the next time it comes within range of any open ONE-KEY™ app. MANAGE THE TEAM Need to set some boundaries for the guys in the field? Set up your complementary guest login to share with your team, allowing you to set permissions on who can change what. Note: Continued use of GPS running in the background can dramatically decrease battery life.

This is the easiest duct sizing calculator you’ll ever use. PT Ductulator is a simple, modern duct sizing tool for HVAC technicians, designers, and students. No spinning wheels, no cluttered screens—just clean inputs and instant, easy-to-read results. Whether you’re on a rooftop, in an attic, or at the design desk, Ductulator helps you make fast, confident decisions about duct size, airflow, and comfort. Why it feels so easy - Straightforward layout – Type in what you know, see what you need. No hunting through menus. - Big, readable numbers – Designed for real job sites, not just a desk. - Instant feedback – Adjust a value and see airflow, friction, and velocity update right away. What you can do with it - Size round and rectangular ducts -Enter airflow and your target friction or velocity and get recommended duct sizes in seconds. - Compare duct options - See how changing size affects velocity and friction so you can avoid noise, hot spots, and high static. - Get equivalent round sizes - Convert rectangular duct dimensions to an equivalent round size to compare and explain choices. - Work anywhere All calculations run offline on your device. Perfect for basements, rooftops, and new construction sites. Built for HVAC pros Use Ductulator to: - Double-check proposed duct sizes before installation - Verify existing systems during service calls - Teach apprentices how size, airflow, and friction relate - Have clearer conversations with homeowners, builders, and inspectors If you work with ductwork, this is the ductulator you’ll actually want to use—fast, simple, and always in your pocket.