Accurex: Engineering Simplicity into Kitchen Ventilation Systems

Complete System Solutions

Accurex provides fully integrated kitchen ventilation systems, developed through extensive prototype modeling to ensure higher efficiencies and lower installation and operating costs. Products are designed for ease of installation, operation, and maintenance.

The company offers a wide array of product styles, sizes, features, and accessories to meet diverse functional and aesthetic requirements. Accurex's computer-aided product selection program (CAPS) assists in selecting, configuring, and viewing real-time drawings, followed by efficient manufacturing and delivery of the entire system.

As a trusted provider with over 75 years of experience in commercial air movement and control equipment, Accurex ensures quality and care in every step. Products undergo comprehensive testing for structural integrity, aerodynamic performance, sound levels, mechanical operation, vibration, temperatures, and environmental impact. Accurex products carry certifications including AMCA, UL, NSF, and ETL. A nationwide network of over 2,000 factory-authorized service providers ensures correct installation and function.

Accurex is committed to transparency and accountability, simplifying complex issues with straightforward solutions and no hidden costs.

Product Categories

• Exhaust Hoods - Grease Type I
• Exhaust Hoods - Non-Grease Type II
• Fire Suppression Systems and Utility Distribution Systems
• Controls
• Pollution Control Units
• Exhaust Fans
• Make-Up Air Units
• Dedicated Outdoor Air Units (DOAS)
• Grease Duct
• Roof Curbs

Kitchen Hoods

Accurex offers a variety of kitchen hood styles and configurations with flexible size ranges and configurable options. The company is an industry leader in grease extraction, featuring efficient mechanical grease filters for Type I hoods.

Grease Hoods (Type I)

Designed for use above grease-producing equipment, Accurex Type I hoods are UL/cUL 710 Listed. They are available in various styles and configurations, with single section lengths from 3 to 16 feet. Longer hoods can be joined using a continuous-capture option for improved aesthetics and performance.

Make-Up Air Styles for Type I Hoods:

• BSP - Back Supply
• ASP - Air Curtain Supply
• Split ASP - Split Air Curtain Supply

External supply plenums can be mounted flush with the top of the hood or higher for improved performance.

Model Designation Guide - Type I Hoods

Hood Filter Type: XB - Baffle Filter, XX - Grease-X-Tractor™, XG - Grease Grabber™

Make-Up Air Style: E - Exhaust Only, D - Exhaust Only - Double-Shell Front

Configuration: W - Wall Style Canopy, V - Single-Island Style (V-Bank) Canopy, P - Proximity (Backshelf), R - Pizza Hood

Island Canopy Hoods

Designed for single cooking batteries in the center of a room, these "V"-bank hoods feature two filter banks for exceptional capture in island cooking applications.

Auto Cleaning Hoods

The Auto Scrubber is a complete wall canopy hood and filter wash system, offering easy maintenance through an integrated control system. It is ideal for facilities with long duct runs, heavy grease production, and in conjunction with Pollution Control Units.

Proximity (Backshelf) Hoods

Suitable for low ceilings and light- to medium-duty cooking, these hoods mount close to equipment. They offer five dimensions of adjustment and optional plate shelves or pass-over enclosures.

Filtration Options

Accurex filters are UL/cUL 1046 Listed and NSF Certified, improving PCU performance and reducing operating costs.

• Grease Grabber™: Highest efficiency dual filtration system (100% efficient*).
• Grease-X-Tractor™: High efficiency centrifugal filter (69% efficient*).
• Baffle Filter: Standard industry baffle (28% efficient*).

*Filter efficiencies measured at 8 microns.

Type II Canopy Hoods

Designed to capture heat and/or condensate from non-grease producing processes.

• Oven Hoods (Model XO): Primarily for oven applications, with no gutter or drain.
• Condensate Hoods (Models XD1, XD2, XD3): Feature a gutter and optional drain connection. XD1 has no baffles, XD2 has one baffle for moderate condensation, and XD3 has two baffles for heavy condensation.

Model Designation Guide - Type II Canopy Hoods:

• XO - Oven
• XD1 - Condensate - No Baffle
• XD2 - Condensate - Single Baffle
• XD3 - Condensate - Double Baffle

Residential Range Hood (Fire Ready)

The Accurex Fire Ready Residential Hood (XRRS) offers a sleek design with touchscreen control, providing protection similar to a Type 1 hood with a smaller footprint and built-in UL 300A fire suppression. It is suitable for commercial settings using residential-style appliances. The system monitors temperature, automatically adjusts fan speeds, and can shut down appliances. In case of fire, it releases a suppression agent and triggers the building's fire alarm.

• Available in common residential range sizes (30" and 36" widths).
• Full-color touchscreen with optional NFPA 101 compliant accessories.
• Gas and electric utility disconnects.
• Listed to UL 300A.
• Energy efficient with LED lights and EC fan motors.

Fire Suppression Systems

Accurex offers various factory-prepiped fire protection systems for commercial kitchens.

• Wet Chemical Systems: Ansul® R-102™ and Amerex® KP™ systems protect ventilating equipment and cooking appliances. They discharge wet chemical through all nozzles simultaneously. Amerex® Zone Defense™ and Ansul® R-102™ Overlapping Appliance Protection offer flexibility in equipment placement.
• Dual Agent Systems: The Ansul® PIRANHA® system discharges both wet chemical and water through all nozzles upon activation.

Utility Distribution Systems (UDS)

Accurex UDS provide flexible, convenient, and safe utility connections for commercial cooking operations, reducing installation time and costs. Factory-built systems replace contractor-built utilities, allowing for easier future expansion or relocation of appliances.

UDS (Model XM): Offers a single connection point for gas, electricity, water, and optional utilities. The stainless steel exterior conceals wiring. Available in wall and island styles, and expandable to accommodate various cooking line-ups.

Controls

Accurex Controls provide a simple and efficient way to operate and oversee kitchen ventilation systems. Features include intuitive full-color touchscreen technology, tool-free interface mounting, and simplified installation with fewer parts and less wiring.

• System Features: Plug-and-play connections, turnkey components, factory-tested control systems, and a seamless touchscreen design.
• Constant Volume Controls (XKC-CV): Include code-compliant back-up safety controls that automatically activate the exhaust system based on heat generation.
• Variable Volume Controls (XKC-DCV): Offer energy savings through industry-leading turndown capabilities, high-efficiency motors, heat sensors, and demand-controlled ventilation (DCKV). Hood-mounted temperature sensors provide quicker response for efficient airflow modulation.
• MELINK® INTELLI-HOOD® System: Utilizes heat and optic sensors for appliances producing significant smoke or steam.

Pollution Control Units (PCU)

PCUs remove grease, smoke, and odor from kitchen exhaust using multi-stage filters or electrostatic precipitator cells (ESP). Accurex PCUs are tested and listed to UL 8782, tolerating rigorous conditions, including 2,000°F temperatures.

• Grease Trapper: Features a three-stage mechanical filter and a fourth carbon tray module to remove odor molecules. Independent pressure switches indicate when filter stages need replacement.
• Grease Trapper ESP™: Uses electrostatic precipitator modules and carbon trays. Air passes through ionizer plates, charging particles, which are then attracted to collector plates. An automated washdown sequence simplifies cleaning.

Kitchen Hood Filter Options: Baffle Filter (28% efficient), Grease-X-Tractor™ (69% efficient), Grease Grabber™ (100% efficient).

Exhaust Fans

Accurex offers a selection of exhaust fans with leak-proof construction and high efficiencies. The Greenheck Vari-Green® electronically commutated motor provides significant electrical savings and is virtually maintenance-free.

Fans for Grease Applications:

• XCUE, XCUBE, XRUD: Spun aluminum fans designed for roof or sidewall mounting. XRUD offers a galvanized steel option for affordability.
• XRUBS: Ideal for heavy grease and high-temperature exhaust, featuring a non-stick coated steel wheel and steel construction. UL listed 762, with heat baffle and clean-out port.
• XTIF: Belt-driven, tubular design suitable for indoor or outdoor applications, including restaurant exhaust.
• XUEF: Belt-driven fan with a backward-inclined centrifugal wheel, suitable for ducted exhaust, supply, and return-air applications, including kitchens with long duct runs or high static pressure.
• XQEI: Mixed flow fans offering quiet, efficient performance with lower horsepower and sound levels. Motor is located out of the airstream per code.
• XUEFD: Direct drive fan powered by a Vari-Green motor, suitable for variable speed applications without belt changes. Ideal for Type II kitchen hoods.
• XRED, XREB: Economical backward-inclined roof-mounted fans with high operating efficiencies.
• XID, XIB: Square housing design for indoor applications with removable side panels for easy access. Can be configured for 90° discharge.
• XCR: Direct drive ceiling exhaust fan for clean air applications requiring low sound levels. Offers various options and accessories.
• XIR: Direct drive inline exhaust fan for clean air applications requiring low sound levels.
• XRAE: Axial exhaust direct drive propeller fan for clean air applications, providing reliability and economy in low pressure, low volume situations.

Make-Up Air Units

Accurex offers a wide range of make-up air products, including untempered, heated, and cooled units. Products lead the industry in performance and airflow reduction for tempered units.

Make-Up Air Types:

• Untempered or Heat-Only: Lower cost options, bringing air in at ambient temperature and humidity.
• Heated and/or Cooled: Control indoor air temperature for comfort. Can be set to start cooling at 75°F outdoor air temperature.

Key Features: Direct drive mixed flow plenum fans offer industry-leading operating power requirements. Packaged DX units feature draw-through coil design for improved efficiency and a wider operating temperature range.

Direct Gas-Fired Heat

Accurex direct gas-fired heaters provide tempered make-up air. Models can feature optional variable air volume (VAV) with a patented barometric bypass damper. Direct drive mixed flow fans reduce operating horsepower and sound levels.

• XDG: Standard with temperature controls and vibration isolators. Optional accessories available. Variable volume airflow is available.
• XDGX: Modular design for greater flexibility and higher capacities. Variable volume airflow and mechanical cooling options are available.

Indirect Gas-Fired Heat

Accurex indirect gas-fired heaters use an 80% efficient tubular heat exchanger for high performance and tight temperature control. The design features horizontally firing burners and power venting.

• XIGX: Suited for applications where a direct-fired system is not appropriate. Economical design for indoor or outdoor use. Variable volume airflow and mechanical cooling options are available.

Tempered - Coil Heating

Accurex non-gas-fired units provide fresh make-up air where gas is not available or desired. They feature belt-driven fans, vibration isolation, intake filters, and various heating and cooling options.

• XMSX: Suited for applications where hot water, steam, or electric heat are desired. Modular design for flexibility. Variable volume airflow options are available.

Untempered Supply Fans

These fans provide fresh make-up air where heating and cooling are not required.

• XKSFB and XKSFD: Economical untempered make-up air units. Feature double-width, forward-curved fans, filtered intakes, and hinged access. Optional accessories include horizontal or downblast discharge.
• XMSF: Direct drive, backward-inclined plenum supply fan for price-sensitive untempered make-up air applications. Offers multiple discharge arrangements and motor options, including Vari-Green® EC and VFD controlled motors.

Centrifugal and Axial Supply Fans

Accurex offers filtered and non-filtered supply fans. Centrifugal fans are suitable for general building supply air, while axial fans are designed for clean air applications.

• XRS: Forward-curved wheel designed for high efficiency and low sound.
• XRSW: Filtered roof supply fan with a belt-driven, double-width, forward-curved, galvanized wheel.
• XRAS: Direct drive propeller fan for clean air applications, providing reliability and economy.

Dedicated Outdoor Air System (DOAS)

Accurex industry-leading, energy-efficient DOAS units are ideal for commercial kitchens requiring a higher percentage of fully conditioned outside air. They offer complete temperature and humidity control and can reduce the need for other rooftop equipment.

Heating Options: Air Source Heat Pump (5-30 tons), Indirect Gas, Electric Heat, Hot Water.

Cooling Options: Air Source Heat Pump (5-30 tons), Packaged Direct Expansion (DX), Split DX.

Ideal Applications: Open-Concept Kitchens, Food Halls, Teaching Kitchens, Open Dining Rooms, Convenience Stores.

• XRV: Conditions and delivers 20-100% outside air from 800-16,000 CFM, with up to 70 tons of packaged cooling. Features a microprocessor controller that can integrate with a Building Management System (BMS) and be controlled via a web browser.

Grease Duct

Accurex offers Jeremias® prefabricated single and double-walled grease ducts that are code compliant and UL listed. Factory-built, cut-to-fit ducts require no welding, streamlining installation and reducing costs.

• Single Wall Grease Duct: Direct replacement for field-welded steel, providing seamless installation inside a fire-rated enclosure or when wrapped per NFPA-96.
• Double Wall Grease Duct: Replaces field-welded and insulated systems. Engineered for connecting cooking appliances, hoods, and ovens. Offers increased security with a limited lifetime warranty. Available in UL 1978 listed single and double-walled options, and double-walled zero-clearance UL 2221 listed grease duct with a 2-hour fire listing.

Roof Curbs

Accurex offers a variety of roof curbs designed for kitchen ventilation systems.

• Vented Roof Curbs (GPFV, GPFVP, GPFVR): Used for kitchen applications where vents allow hot air and gases to escape. Designed for use with specific Accurex fans to provide required discharge height above the roof line per NFPA 96. Available for flat, pitched, and ridged roofs.
• Insulated Roof Curbs (GPI, GPIP, GPIR): Designed for roofs covered with insulation. Available for flat, pitched, and ridged roofs.
• Non-Insulated Roof Curbs (GPF, GPFP, GPFR): Suitable for non-insulated or insulated roofs, and high wind/seismic applications. Available for flat, pitched, and ridged roofs.
• Flat Roof Curbs (GPS, GPR): Designed for flat, non-insulated roof decks, with options for cant and raised cant to aid roofing material transition.
• Vented Curb Extension (VCE): Used in kitchen applications where vents allow hot air and gases to escape. Designed for use with specific Accurex fans to provide required discharge height.
• Equipment Supports (GESI, GESS, GESR): Designed for insulated and non-insulated flat or pitched roof decks. Available in various sizes and widths.
• Extended Base Models (GPE, GPEX): Mount between the fan and roof curb to provide additional height. GPE includes an access door for damper and actuator access.
• Insect Screen Bases (ISB): For applications requiring insect exclusion, these bases mount between the fan and roof curb, providing an additional 7 inches of height.
• Adapters and Reducers: Used to match new fans to existing roof curbs. Constructed of welded galvanized steel or aluminum.