United Enertech Louvers and Dampers Distributor
Knape Associates is an authorized United Enertech distributor supplying louvers, dampers and air control products. United Enertech louvers sit in the outside wall and control the air coming into a building while keeping out rain, wind and debris. Dampers control the air inside the ductwork.
You order every model, finish and actuator on one purchase order, from one contact, anywhere in the US.
Our offices are in Houston and Dallas-Fort Worth, serving Texas and the Gulf Coast, and we ship nationwide.
Watch to Learn More about United Enertech Products
United Enertech Product Lines
United Enertech manufactures louvers, dampers and air control products across ten families. Knape Associates stocks and specs the full line, so every model on this page ships on one purchase order from one contact.
| Family | What it covers | Typical application |
|---|---|---|
| Louvers | Fixed, adjustable, combination, acoustical, hurricane, wind-driven rain, FEMA, blast | Outside-wall intake and exhaust, see below |
| Life safety dampers | UL 555 and UL 555S listed, static and dynamic | Duct isolation, zone pressurization, emergency shutoff |
| Fire dampers | Ceiling radiation, curtain, combination fire/smoke | Fire-rated wall and floor penetrations |
| Control dampers | Opposed and parallel blade, manual or actuated | Airflow modulation and balancing |
| Backdraft dampers | Gravity and motorized, rectangular and round | One-way exhaust, reverse-flow prevention |
| Industrial and blast dampers | Heavy-gauge, blast-rated construction | Refineries, chemical plants, hazardous areas |
| Sunshades | 6-way, drum louver and flat face configurations | Solar heat gain reduction on glazing and equipment |
| Louvered penthouses | Weatherproof rooftop enclosures | Rooftop mechanical equipment screening |
| Drop plenum diffusers | Ceiling-mounted air distribution | Even air distribution in finished spaces |
| Roof curbs and rails | Conventional, metal building, and adapter curbs | Rooftop unit mounting and support |
United Enertech Louvers
United Enertech makes 8 louver models, split by what they’re built to stop: standard airflow, hurricane-driven water, noise, or blast and tornado loads.
Use the selector below to jump straight to your application, or compare specs in the table.
| Model | Type | Depth | Free area | Key rating | Best for |
|---|---|---|---|---|---|
| FL-D-4 | Fixed, drainable | 4″ | 50% (8.0 sq ft at 48″×48″) | 0.08″ w.g. @ 500 FPM | General intake and exhaust |
| AFL-D-4 | Adjustable | 4″ | verify | AMCA Class 1A closed | Seasonal airflow shut-off |
| CFL-D-4 | Combination louver/damper | 4″ | verify | Saves 4″ wall depth | Fixed louver plus operable damper in one frame |
| XL-4 | Acoustical | 4″ | 35% (48″×48″) | STC 12 / OITC 9 | Generator enclosures, mechanical rooms |
| D-HV-5 | Hurricane | 5″ | verify | Miami-Dade TAS 201/202/203 | HVHZ and coastal construction |
| WDV-130 | Wind-driven rain | 5″ | 48% | 99.9% effective @ 50 mph, 8″ rain | Data rooms, electrical rooms |
| FEMA-5 | Tornado shelter | 5.5″ | verify | FEMA 361 | Safe rooms |
| BRFL-D-4 | Blast resistant | 4″ | verify | verify | Refineries, chemical plants |
FL-D-4 has the site’s strongest louver page today, and D-HV-5 has real Miami-Dade approval history.
Wider selection, sizing help, or a submittal package: see the full louvers and dampers line.
Need a custom products?
Contact us now for a fast quote on the right model for your specific application. Just let us know the application and we can help!
Customization & Support
At Knape Associates, we understand that every industrial setting is unique. That’s why we offer customization options to ensure your ventilation solution perfectly fits your needs.
From custom dampers and louvers to specialized ventilators, we have the expertise to deliver a system that exceeds your expectations.
When you choose Knape Associates as your United Enertech distributor, you’re not just getting access to top-quality products – you’re gaining a partner dedicated to your success.
Request a quote today and experience the difference our expertise and personalized service can make for your ventilation needs.
- Explore the functionality of our axial fans, delivering efficient and targeted airflow for optimal ventilation in industrial settings.
- Get reliable performance of our forward-curved centrifugal fans
- Discover the reliability of our drainable louvers
- Explore our droplet separator solutions for efficient liquid removal in gas streams