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# Knape Associates: Founded in 1949, Knape Associates is the preeminent supplier of Process and HVAC Fans Heaters Blowers, Collectors, Scrubbers, Grilles Registers, Louvers, Dampers and Dehumidifiers. Our experience in working with projects from the drawing board to final test and balance is ready to work for you. If you have an existing system that you would like to replicate or upgrade, one of our team members is ready to visit your offices and, at no cost to you, conduct a complete audit of your equipment needs

## Sitemaps
[XML Sitemap](https://knapeassociates.com/sitemap_index.xml): Includes all crawlable and indexable pages.

## Posts
- [Hi Air Korea Fan Replacement for Offshore Platforms](https://knapeassociates.com/equipment/hi-air-korea-fan-replacement-for-offshore-platforms/): Home |
- [Industrial Heating System Specification Guide](https://knapeassociates.com/equipment/industrial-heating-system-specification-guide/): Home |
- [Interactive Air-Cooled Heat Exchanger Design Calculator](https://knapeassociates.com/equipment/air-cooled-heat-exchanger-design-calculator/): Home |
- [Commercial & Industrial OEM Ventilation Parts](https://knapeassociates.com/equipment/commercial-industrial-oem-ventilation-parts/): Knape Associates supplies OEM ventilation parts for industrial and commercial applications where precision matters. We work directly with design and procurement teams to match or modify components that meet exact requirements.
- [Heating Equipment for Nuclear Power Plants](https://knapeassociates.com/power-plant-ventilation/industrial-heating-equipment-nuclear-power-plants/): Home |
- [Marine Duty Fans and Blowers](https://knapeassociates.com/marine-ventilation/marine-duty-fans/): Knape Associates supplies Hartzell marine duty fans as our primary marine line, with additional sourcing relationships across multiple manufacturers for interior vessel zones and non-classified applications.

## Pages
- [Acoustic Louvers](https://knapeassociates.com/products/louvers-dampers/acoustic-louvers/): Acoustic louvers, also called acoustical louvers or sound attenuating louvers, move air through a wall opening while reducing the noise that passes with it. We supply depths from 4 to 12 inches. Tell us the opening size, airflow, and noise limit, and we match the louver to it.
- [United Enertech](https://knapeassociates.com/manufacturers/united-enertech/): 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.
- [FRP Ductwork](https://knapeassociates.com/products/frp-ductwork/): Home |
- [Fiberglass Fixed Blade Louvers](https://knapeassociates.com/products/louvers-dampers/fiberglass/fixed-blade-louvers/): Fiberglass fixed blade louvers protect air intake and exhaust openings in corrosive environments. Blades are typically 6" deep with a drainable design that channels water to the sides and discharges it at the sill.
- [Fiberglass Control Dampers](https://knapeassociates.com/products/louvers-dampers/fiberglass/control/): Fiberglass control dampers regulate airflow in ducts and fan systems where corrosive fumes destroy metal. Knape Associates supplies FRP control dampers in center-pivoted, opposed blade, parallel blade, and round configurations.
- [Fiberglass Dampers](https://knapeassociates.com/products/louvers-dampers/fiberglass/): We carry several fiberglass damper lines. Before we quote, we check all of them and give you the one that ships soonest.
- [Rotork](https://knapeassociates.com/manufacturers/rotork/): Knape Associates is an authorized Rotork distributor. Get Rotork electric, pneumatic and hydraulic valve actuators spec'd to the valve, the duty cycle and the area classification you work in.
- [Schischek Actuators](https://knapeassociates.com/products/actuators/schischek-actuators/): Schischek actuators are explosion proof actuators for dampers and valves in hazardous areas. Knape Associates is an authorized Schischek distributor. Tell us your area classification and we will confirm the right model for the job.
- [A60 FTP Marine](https://knapeassociates.com/products/louvers-dampers/marine/a60-ftp-marine/): Home |
- [Fixed Louvers](https://knapeassociates.com/products/louvers-dampers/fixed-louvers/): Get fixed blade louvers spec'd to your wall opening, from standard aluminum designs to drainable and hurricane-rated models. Sized to the free area and weather protection your building calls for.
- [Miami Dade](https://knapeassociates.com/products/louvers-dampers/fixed-louvers/miami-dade/): Home |
- [Tunnel Ventilation Fans](https://knapeassociates.com/applications/tunnel-ventilation-fans/): Tunnel ventilation fans clear smoke and exhaust fumes from road tunnels, metro and subway lines, and enclosed parking garages. Each application needs different thrust, a different temperature rating, and a different fire code. Spec the wrong fan and you fail a commissioning test or a fire rating.
- [FRP Fans](https://knapeassociates.com/products/fans-blowers/frp-fans/): We supply FRP fans for air that corrodes metal, from duct axial fans to high-pressure centrifugal blowers. Tell us the chemistry, temperature, and airflow, and we match the resin, drive, and construction to it.
- [Hospital and Healthcare Ventilation Equipment](https://knapeassociates.com/applications/hospital-healthcare-ventilation-equipment/): Home |
- [Air Handling Units](https://knapeassociates.com/products/air-handling-units/): We spec and supply industrial air handling units from multiple manufacturer lines. When one manufacturer's lead time blows your timeline, we pivot to an equivalent unit from another line.
- [Backward Inclined](https://knapeassociates.com/products/fans-blowers/centrifugal/backward-inclined-blower-fan/): Every backward inclined centrifugal blower quote starts with the same 3 numbers. CFM, static pressure, and operating temperature.
- [Commercial Kitchen Ventilation Equipment](https://knapeassociates.com/applications/commercial-kitchen-ventilation-equipment/): Home |
- [Baghouse Dust Collectors](https://knapeassociates.com/products/commercial-industrial-dust-collectors/baghouse-dust-collectors/): Home |
- [AGET Dust Collector](https://knapeassociates.com/manufacturers/aget-dust-collector-distributor/): As an authorized AGET distributor, Knape Associates specs and supplies the full Dustkop and Mistkop product line. When your application needs more than dust collection, we source fans, heaters, dampers, and collectors from 30+ manufacturer lines under one purchase order.
- [Oil & Gas](https://knapeassociates.com/applications/hvac-oil-gas/): Home |
- [Loren Cook](https://knapeassociates.com/manufacturers/loren-cook/): Knape Associates is an authorized Loren Cook distributor serving Texas, the Gulf Coast, and surrounding regions since 1949.
- [Sterling HVAC](https://knapeassociates.com/manufacturers/sterling-hvac/): Knape Associates is an authorized Sterling unit heaters distributor. We supply gas-fired, oil-fired, and hydronic unit heaters, duct furnaces, makeup air units, and finned tube radiators.
- [Makeup Air Units for Cruise Ships](https://knapeassociates.com/applications/makeup-air-units-for-cruise-ships/): Home |
- [Cyclone Dust Collector](https://knapeassociates.com/products/commercial-industrial-dust-collectors/cyclone-dust-collector-seperator-supplier/): Industrial cyclone dust collectors sized wrong cost $35,000 to $55,000 over five years. Undersized units spike energy consumption 33% while choking downstream filters. Oversized cyclone dust collectors drop from 90% design efficiency to below 69% in actual operation. Your facility pays for equipment that works on paper but fails air quality tests years ahead of schedule.
- [Fan Equipment Co](https://knapeassociates.com/manufacturers/fan-equipment-co/): Home |
- [Industrial Air Technology](https://knapeassociates.com/manufacturers/industrial-air-technology/): Home |
- [Dust Collectors](https://knapeassociates.com/products/commercial-industrial-dust-collectors/): Home |
- [United Enertech Louvers](https://knapeassociates.com/manufacturers/united-enertech/united-enertech-louvers/): Home |
- [Forward Curved Centrifugal Blower](https://knapeassociates.com/products/fans-blowers/centrifugal/forward-curved/): Home |
- [Radial Blowers](https://knapeassociates.com/products/fans-blowers/centrifugal/radial-blowers/): Radial blowers generate high static pressure, but the wheel design dictates the application. We help you choose between the two main industrial standards
- [Air-Cooled Heat Exchanger](https://knapeassociates.com/products/specialty-equipment/air-cooled-heat-exchanger-ache-fin-fan/): Air-cooled heat exchangers handle critical cooling in upstream, midstream, and downstream operations. They work where water supply limits or costs make traditional cooling towers impractical. Process engineers choose from multiple model configurations, each built for specific operating conditions and site constraints.
- [Specialty Equipment](https://knapeassociates.com/products/specialty-equipment/): Home |
- [Nuclear](https://knapeassociates.com/applications/nuclear-fans-hvac-ventilation/): Nuclear facilities rely on specialized industrial fans to maintain safe operations and meet strict regulatory requirements. These nuclear fans handle critical functions like reactor cooling, radioactive gas extraction, and emergency ventilation systems.
- [Make Up Air Units](https://knapeassociates.com/products/make-up-air-units-mua/): Home |
- [Spencer Blower Fans & Vacuum Systems](https://knapeassociates.com/manufacturers/spencer-blower-fans-vacuum-systems/): Spencer blowers deliver proven efficiency and reliability while reducing energy costs through advanced aerodynamic design. These systems achieve over 80% adiabatic efficiency with oil-free delivery and minimal maintenance requirements for wastewater treatment, petrochemical processing, and municipal applications.
- [Alphair VAX Fans](https://knapeassociates.com/products/fans-blowers/axial/alphair-vax-fans/): Home |
- [Non-Return Dampers](https://knapeassociates.com/products/louvers-dampers/marine/non-return-dampers/): Reverse airflow through marine and industrial duct systems introduces contaminated air into clean zones, defeats fire-rated barriers, and disrupts pressurization in classified areas. Non-return dampers stop it passively.
- [Wastewater Treatment Blower Fans](https://knapeassociates.com/applications/wastewater-aeration-blower-fan/): Wastewater treatment aeration blowers are specifically designed for continuous 24/7 operation in corrosive environments with hydrogen sulfide and high moisture. They feature corrosion-resistant materials like stainless steel 316L or specialized coatings, oil-free operation to prevent biological contamination, and precise pressure control for dissolved oxygen requirements. Standard industrial blowers typically fail within 6-18 months in wastewater environments, while properly specified wastewater blowers operate reliably for 15-20 years.
- [Wastewater Treatment Plant Ventilation Equipment](https://knapeassociates.com/applications/wastewater-treatment-ventilation-equipment/): Home |
- [Return Policy](https://knapeassociates.com/return-policy/): Knape Associates does not accept returns. All ventilation equipment is built or configured to specification and shipped directly from the manufacturer.
- [E-House HVAC Substation Solutions](https://knapeassociates.com/applications/e-house-hvac-electrical-house-substation/): E-houses substations are prefabricated structures that house critical electrical systems for power, data, and energy distribution.
- [Marine Duct Heater](https://knapeassociates.com/products/heater/duct-heater/marine-duct-heater/): Marine HVAC designers and shipyard procurement engineers specify Marine Duct Heaters for reliable, corrosion-resistant heating in critical vessel ventilation systems. Knape Associates distributes these units in a range of configurations, including side or bottom-terminal boxes and flange-mount or slip-in models, to fit diverse duct layouts.
- [Fin Tube Radiator](https://knapeassociates.com/products/heater/unit-heaters/fin-tube-radiator/): We provide commercial and industrial fin tube radiators from top US manufacturers.
- [Gracie Composites](https://knapeassociates.com/manufacturers/gracie-composites/): Home |
- [Door Heaters](https://knapeassociates.com/products/heater/unit-heaters/door-heaters/): Commercial door heaters are special heating systems for loading docks, warehouses, car washes, construction sites, and other large commercial and industrial buildings.
- [Immersion Heaters](https://knapeassociates.com/products/heater/immersion-heaters/): Industrial immersion heaters achieve up to 98-99% heating efficiency through direct liquid contact, with operating capabilities up to 1200°C (2192°F). These systems, available in power ratings from 210W to 3000W for water applications, provide precise temperature control within ±2°C for critical processing equipment.
- [Multi-Family Housing](https://knapeassociates.com/applications/multi-family-high-rise-hvac-equipment-system-design/): Home |
- [Field Controls](https://knapeassociates.com/manufacturers/field-controls-distributor/): As an authorized Field Controls distributor, Knape Associates delivers industrial-grade ventilation equipment - including UL-listed draft controls, dampers, and air purification systems - to facility managers, engineers, and contractors across manufacturing plants, office buildings, and apartment complexes.
- [Offshore HVAC Systems for Marine Operations](https://knapeassociates.com/applications/marine-industry/offshore-hvac-systems/): Home |
- [Utility Set](https://knapeassociates.com/products/fans-blowers/centrifugal/utility-set/): Home |
- [Bifurcated Fans](https://knapeassociates.com/products/fans-blowers/axial/bifurcated-fans/): Bifurcated fans deliver superior performance in harsh industrial environments where conventional fans fail.
- [Terms & Conditions of Sale](https://knapeassociates.com/terms-conditions-of-sale/): The term "Company" as used herein shall mean MPHS Inc, DBA: Knape Associates, its parent company, affiliates and related entities. The sale, shipment and delivery by Company of Products will be subject only to and governed exclusively by the terms and conditions set forth herein. The term "Products" means the materials, equipment or services furnished by the Company to the Buyer hereunder. THE ACCEPTANCE OF ANY OFFER MADE BY COMPANY IS EXPRESSLY LIMITED TO THE TERMS AND CONDITIONS CONTAINED HEREIN. Submittal of any further purchase documents by Buyer, or execution of this offer by Buyer, or allowing Company to commence work, shall be deemed an acceptance of our original offer. ANY ACCEPTANCE BY COMPANY IS MADE EXPRESSLY CONDITIONAL UPON THE BUYER'S ASSENT TO THE TERMS AND CONDITIONS SET FORTH HEREIN ONLY. Any additional or differing terms and conditions contained on any documents prepared or submitted by Buyer, including but not limited to those contained in Buyer's drawings and specifications (whether or not such terms materially alter these terms and conditions), are hereby rejected by Company and shall not become part of the agreement between Buyer and Company.
- [Qmark MUH0581](https://knapeassociates.com/products/heater/unit-heaters/qmark-muh0581/): Home |
- [USAire](https://knapeassociates.com/manufacturers/usaire-grilles-distributor/): Knape Associates is proud to be an official distributor of USAire products, a leading brand in the HVAC industry.
- [Indeeco QUA/QUZ Duct Heater](https://knapeassociates.com/products/heater/duct-heater/indeeco-qua-quz-duct-heater/): Home |
- [Tank and Pipe Insert Heaters](https://knapeassociates.com/products/heater/immersion-heaters/tank-pipe-insert-heaters/): Industrial storage tank heaters maintain and raise the temperatures of fluids and gases in tanks and pipes.
- [Screw Plug Immersion Heater](https://knapeassociates.com/products/heater/immersion-heaters/screw-plug/): Screw plug immersion heaters provide economical, reliable heating for small to medium-volume industrial tanks.
- [Explosion-Proof Screw Plug Immersion Heaters](https://knapeassociates.com/products/heater/immersion-heaters/explosion-proof-screw-plug/): Indeeco’s explosion-proof screw plug immersion heaters are specifically designed for use in hazardous environments with flammable gases and dust.
- [XVent Box](https://knapeassociates.com/manufacturers/xvent-box/): Home |
- [Tuttle & Bailey](https://knapeassociates.com/manufacturers/tuttle-bailey/): Knape Associates delivers cutting-edge air distribution solutions for commercial and industrial applications. As an official distributor of Tuttle & Bailey products, they offer a comprehensive range of high-performance HVAC components engineered to optimize energy efficiency and indoor comfort in modern building systems.
- [CO2 & Carbon Capture Dampers](https://knapeassociates.com/products/louvers-dampers/carbon-capture-dampers/): CO2 dampers and carbon capture dampers offer industrial-grade flow control and isolation for emissions control projects. They come in multi-louver and diverter configurations with up to 100% process sealing and zero atmospheric leakage, engineered for both standard and custom applications .
- [Swartwout](https://knapeassociates.com/manufacturers/swartwout/): Home |
- [VFD Controlled Fans](https://knapeassociates.com/products/fans-blowers/vfd-fans/): Home |
- [AbsolutAire](https://knapeassociates.com/manufacturers/absolutaire/): Your trusted AbsolutAire distributor in Houston & Gulf Coast. Expert solutions for commercial, industrial & multi-family. Contact us today!
- [Ventilation Resources](https://knapeassociates.com/resource/): Ventilation Resources
- [Propeller Wall Fans](https://knapeassociates.com/products/fans-blowers/axial/propeller-wall-fan/): Sidewall propeller fans, also known as propeller wall fans, are designed to efficiently exhaust or supply high volumes of air at low static pressures in various commercial and industrial settings.
- [Seiho](https://knapeassociates.com/manufacturers/seiho/): Home |
- [Cast Aluminum Pressure Blowers](https://knapeassociates.com/products/fans-blowers/centrifugal/cast-aluminum-pressure-blowers/): Cast aluminum pressure blowers solve this.
- [Mancoolers](https://knapeassociates.com/products/fans-blowers/axial/mancoolers/): Home |
- [Soler & Palau](https://knapeassociates.com/manufacturers/soler-palau/): Home |
- [Northern Blower](https://knapeassociates.com/manufacturers/northern-blower/): Knape Associates intimately understands Northern Blower's full line of rugged, high-quality equipment as an official distributor for Northern Blower products.
- [Thank You](https://knapeassociates.com/thank-you/): We got your message, and our team is working on it.
- [Acudor](https://knapeassociates.com/manufacturers/acudor-distributor/): Contact us today to learn more about the complete access product line and full fabrication capabilities we provide as your go-to Acudor distributor.
- [INTEC Controls](https://knapeassociates.com/manufacturers/intec-controls/): As an authorized INTEC Controls distributor, Knape Associates provides products that are independently tested to meet strict gas detection and ventilation standards.
- [Droplet Separators](https://knapeassociates.com/products/louvers-dampers/droplet-separator/): Droplet separators protect downstream equipment from sea spray, salt, and aerosol contamination in marine and offshore air intake systems.
- [Gastight Shut-Off Damper](https://knapeassociates.com/products/louvers-dampers/control/gastight-shut-off-damper/): Home |
- [Droplet Separators for Offshore Platforms](https://knapeassociates.com/products/louvers-dampers/droplet-separator/seasalt-droplet-mist-eliminator/): This is where droplet separators prove their worth. By stripping 99% of droplets from gas streams, fog, and mist, they are an offshore site's first line of defense. Tiny droplets never make it far enough to condense on interior metal surfaces.
- [Aprilaire](https://knapeassociates.com/manufacturers/aprilaire-2/): Home |
- [QMark Heaters](https://knapeassociates.com/manufacturers/qmark/): Home |
- [Barry Blowers](https://knapeassociates.com/manufacturers/barry-blowers/): Home |
- [American Warming & Ventilating – AWV](https://knapeassociates.com/manufacturers/american-warming-ventilating-awv/): Design & Purpose: AWV louvers don’t just ventilate; they enhance a building's appearance.
- [Pottorff](https://knapeassociates.com/manufacturers/pottorff/): Knape Associates is an authorized Pottorff distributor with 75 years in commercial and industrial HVAC. We spec new louvers, fire and smoke dampers, and control dampers. Need a replacement for an existing unit? We'll track it down.
- [Woods Air Movement](https://knapeassociates.com/manufacturers/woods-air-movement/): Distributed by Knape Associates, Woods Air Movement is a globally recognized brand specializing in designing, testing, manufacturing, and certifying axial fans.
- [Halton](https://knapeassociates.com/manufacturers/halton-group/): Home |
- [Home](https://knapeassociates.com/): Our custom industrial ventilation systems simplify air movement and quality management so you can focus on your core operations.
- [Manufacturers](https://knapeassociates.com/manufacturers/): Selecting the right equipment shouldn't be a guessing game. As a leading industrial fans and blowers supplier and authorized distributor, Knape Associates represents the world’s most trusted manufacturers in ventilation, commercial heating, and dust collection.
- [Delta Breez](https://knapeassociates.com/manufacturers/delta-breez/): Home |
- [Hartzell Air Movement](https://knapeassociates.com/manufacturers/hartzell-air-movement/): Hartzell fans spec'd wrong kill projects. Undersized units fail early. Oversized units waste energy and budget. Replacement parts for legacy Hartzell units get harder to source every year.
- [Indeeco](https://knapeassociates.com/manufacturers/indeeco/): Home |
- [Explosion-Proof Actuators](https://knapeassociates.com/products/actuators/explosion-proof-actuators/): Explosion-proof actuators protect ventilation systems in hazardous environments.
- [Actuators](https://knapeassociates.com/products/actuators/)
- [Delta BreezSlim SLM50](https://knapeassociates.com/products/commercial-bathroom-fans/delta-breezslim-slm50/): The Delta Breez Slim SLM50 is a compact 50 CFM exhaust fan operating at 120V and rated at just 1.0 sone for ultra-quiet performance.
- [Commercial Bathroom Fans](https://knapeassociates.com/products/commercial-bathroom-fans/)
- [CaptiveAire](https://knapeassociates.com/manufacturers/captiveaire/): Knape Associates is an authorized CaptiveAire distributor. We supply hoods, exhaust fans, fire suppression, makeup air units, and complete integrated packages for large-scale commercial kitchens.
- [Marine Industry](https://knapeassociates.com/applications/marine-industry/): Marine ventilation systems fail at alarming rates. Three out of four equipment breakdowns happen right after maintenance. The problem isn't poor workmanship. It's wrong system design.
- [Baseboard Heater](https://knapeassociates.com/products/heater/unit-heaters/baseboard/): Industrial baseboard heaters operate at 120V or 240V with power outputs from 300W to 2000W. Units feature precision thermostats and thermal cutoff safety systems. Fan-assisted models provide accelerated heat distribution through enhanced convection.
- [Fan Forced](https://knapeassociates.com/products/heater/unit-heaters/fan-forced/): Fan-forced heaters is a type of space heater that utilizes a built-in fan to disperse comfortable hear throughout a designated area.
- [Unit Heaters](https://knapeassociates.com/products/heater/unit-heaters/): Home |
- [Heating Elements](https://knapeassociates.com/products/heater/industrial-heating-elements/elements/): Home |
- [Heat Trace](https://knapeassociates.com/products/heater/industrial-heating-elements/heat-trace/): Home |