23 3300 - Duct Specialties
AJ Manufacturing
Zero total CFM air leak at 10.0" wg. Custom sized access doors in 1", 1.7", 2" & 4" frame & panel thickness with galvanized, galvanealed, stainless steel, or aluminum door skins. Optional window, latch prep or thermal frame. Pressure relief doors and wall panels also available.
Raymon-Donco
Raymon-Donco manufactures air distribution equipment for the heating, ventilating and air conditioning industry. We produce a custom line of air diffusers used primarily in commercial buildings. We supply high quality products, in a timely manner and backed up with outstanding customer service. Raymon continues to invent and reinvent the industry standards for quality, reliability, service and ingenuity.
4specs Discussion Forum - Great place to ask questions about specifications, products and technical data. Free - no registration required to read or post (subject to moderation).
- Specification Discussions - a wide range of issues on specifications - many full time and independent specifiers contribute their knowledge and experience.
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See also:
08 3100 - Access Doors and Panels - for architectural access doors
23 3110 - Ducts
23 3124 - Fabric Ducts
- Air Balance - We carry a wide range of dampers and louvers for any HVAC requirement, including UL-rated Life Safety dampers.
AJ Manufacturing
Zero total CFM air leak at 10.0" wg. Custom sized access doors in 1", 1.7", 2" & 4" frame & panel thickness with galvanized, galvanealed, stainless steel, or aluminum door skins. Optional window, latch prep or thermal frame. Pressure relief doors and wall panels also available.
- American Warming & Ventilating
- Arrow United Industries - Custom-built louvers and dampers, including AMCA-rated severe weather louvers and Miami-Dade certified Hurricane louvers.
- Bray Controls - formerly Delta Control Products
- Carlisle HVAC Products offers a complete line of insulation adhesives, duct hardware and duct sealants for the HVAC industry.
- Dodge Engineering & Controls
- EHG Duct - sound solutions for ductwork including round silencers, registers, and dust collection.
- Field Controls
- EWC Controls - HVAC zoning products specializing in motorized dampers and control panels with live tech support.
- Greenheck Corp. - Greenheck manufactures a complete line of ventilation equipment for the institutional and commercial market.
- Hart & Cooley
- Hart & Cooley - Milcor, Roof Products & Systems, Portals Plus, Ward Industries
- ITW Polymers Sealants North America - combining Pacific Polymers, Schnee-Morehead, ER Systems and TACC.
- KEES - Duct access doors for ductwork, plenums and housings, as well as pressure relief duct access doors.
- Lamtec Corporation - LAMTEC manufactures fire rated vapor retarders (facings) for air duct, metal building and pipe insulations.
- LLoyd Industries
- Markel Products
- McGill AirSilence - Silencers, sound attenuators, plenums, acoustical housings, sound curtains, and sound dampening materials.
- Metal-Fab - Venting products for heating appliances, commercial kitchens, generators, engines, fumes, condensing appliances.
- Metal Form Manufacturing Company - Extruded aluminum and galvanized steel louvers, control dampers, barometric shutters.
- Nailor Industries
- Nordfab Systems
- Pottorff - Air control and backdraft dampers, UL rated fire, smoke and ceiling radiation dampers, access doors, louvers and penthouses.
Raymon-Donco
Raymon-Donco manufactures air distribution equipment for the heating, ventilating and air conditioning industry. We produce a custom line of air diffusers used primarily in commercial buildings. We supply high quality products, in a timely manner and backed up with outstanding customer service. Raymon continues to invent and reinvent the industry standards for quality, reliability, service and ingenuity.
