CONCEPT                                             DEVELOPMENT                                             MARKET

Des Champs Technologies
HVAC Air Trap Waterless Traps for HVAC Condensate Removal
HVAC Air Trap - FCN Series - Compact Residential - Lite Commercial Negative Pressure Waterless Trap - Des Champs Technologies

P, N, RLC, FCN, PLP, Furnace Series and Venturi Lift System HVAC Air-Traps are Patented:

US9777957B1    US10775073B2    US11231203B1    US10605480B1    US11060786B1

P-Series

Positive Pressure Waterless Trap

Maximum Pressures, Connection Sizes & Length

Testimonials

Learn More

Learn More

Learn More

Learn More

White Paper

It's Time to Reconsider the Use of P-Traps for HVAC Condensate Removal


by Nicholas H. Des Champs, Ph.D., PE, ASHRAE Fellow

It's Time to Reconsider the Use of P-Traps for HVAC Condensate Removal - HVAC Air-Trap Waterless Traps by Des Champs Technologies

Where to Buy

HVAC Air Trap Waterless Trap for HVAC Condensate Removal

Learn More

Air-Traps Meet IMC® Code Section M307.2.4.1

RESIDENTIAL  •  COMMERCIAL  •  INDUSTRIAL  •  INSTITUTIONAL

HVAC Air-Trap Engineering and Product Catalog Download

HVAC Air-Trap

Engineering and Product Catalog

Introducing the new HVAC Air-Trap Product & Engineering Catalog. 72 pages covering product information, IOMs, key drawings, maximum pressures and condensate flows, air leakage data and more.

Latest Additions

PBS Segment on HVAC Air-Trap

Recently updated, a 7+ minute PBS segment on the HVAC Air-Trap that is currently airing.

Customer Air-Trap Installations

A video montage of HVAC Air-Trap installations over the years.

Des Champs HVAC Air-Trap™ waterless traps allow liquid condensate to drain from the HVAC equipment and simultaneously prevent air from entering or escaping from the equipment.  

Made in USA

Solves Common Issues Associated with Standard P-traps

N-Series

Negative / Positive Pressure Waterless Trap

RLC-Series

Residential / Lite Commercial Positive / Negative Pressure Waterless Trap

FCN-Series

Perfect for Ductless Mini-splits

Compact Residential / Lite Commercial Negative Pressure Waterless Trap

PLP-Series

Positive Pressure, Low Profile 0 - 40" WC Waterless Trap

• Prevents air leakage

• Reduces trap height requirement by 1/2

• Predesigned — eliminating field-designed errors

• Operates Dry — Eliminating:

    - Freezing and breaking

    - Dryouts

    - Sludge buildup

    - Geyser effect

    - Mold and mildew caused by geyser effect

HVAC Air Trap - P Series - Positive Pressure Waterless Trap - Des Champs Technologies
HVAC Air Trap - RLC Series - Residential - Lite Commercial Positive / Negative Pressure Waterless Trap - Des Champs Technologies
HVAC Air Trap - N Series - Negative Pressure Waterless Trap - Des Champs Technologies
HVAC Air Trap - FCN Series - Compact Residential - Lite Commercial Negative Pressure Waterless Trap - Des Champs Technologies
Des Champs Technologies HVAC Air Trap ICC-ES Evaluated Report

Patented

The Air-Trap Concept

2024 Uniform Mechanical and Plumbing Codes - HVAC Air-Trap

Review of how HVAC Condensate Traps are to Function as set Forth in the 2024 Uniform Mechanical and Plumbing Codes

by Nicholas H. Des Champs

Ph.D., PE, ASHRAE Fellow