The 4 Nodes of Professional Duct Testing

Every clean, repeatable duct test depends on four control points.
Patented Vent Cap Systems™ help you control all four.

Supply Sealing

Reusable Vent Caps™ replace tape and plastic on supply vents for faster, cleaner setup.

Shop Vent Caps →

Return Sealing

Duct Ninja™ seals return grilles under depressurization without ladders, tape, or improvisation.

See Duct Ninja →

Placement & Access

Pole RAT™ installs and removes vent caps from the floor without dragging ladders through homes.

View Pole RAT →

Measurement Equipment

Shop TEC and Retrotec blower doors, duct testers, gauges, and diagnostic tools.

Browse Equipment →

Choose Your Testing System

View All

Starter

Seal supply vents from the floor.
Vent Caps™ + Pole RAT™
Start Here

Professional

Add return grille sealing to your workflow.
Vent Caps™ + Duct Ninja™
Build Your Kit

Complete System

Seal supply, seal return, run the test.
Vent Caps™ + Duct Ninja™ + Pro Equipment
Shop Systems

Most Popular Systems

VIEW ALL
The "SINGLE" (With Pressure Adapter)
From $ 45.00
From $ 45.00
Pole RAT™ - Remote Attachment Tool
$ 25.00
$ 25.00
TOTAL HOME PACK - Duct Testing Kit
$ 775.00
$ 775.00
Large Vent Cap
$ 90.00
$ 90.00
1of4

Professional Testing Equipment

Example product title

$ 19.99
$ 19.99

Example product title

$ 19.99
$ 19.99

Example product title

$ 19.99
$ 19.99

Example product title

$ 19.99
$ 19.99

Example product title

$ 19.99
$ 19.99

Example product title

$ 19.99
$ 19.99

Example product title

$ 19.99
$ 19.99

Example product title

$ 19.99
$ 19.99
1of8

Latest Posts

10 Reasons Your Duct Leakage Testing Equipment Isn't Working (And How to Fix It Before Your Next Job)

10 Reasons Your Duct Leakage Testing Equipment Isn't Working (And How to Fix It Before Your Next Job)

  We've all been there. You show up to a job site, start setting up your duct leakage test equipment (Duct Blaster®...
View Details

Florida Building Code 101: What the 7 ACH50 Rule Means for Your Duct Leakage Testing Workflow

  If you're running blower door tests in Florida, you've definitely heard about the 7 ACH50 requirement. And if you're new to...

Seal Floor Vents for Duct Testing (25 Pa Guide)

Learn how to seal floor supply registers during duct leakage testing under both positive and negative pressure. Hardwood and carpet setups explained...