Recirculating extraction Canopy Systems
When operating an all-electric commercial kitchen, you have the option of using a ductless / ventless recirculating kitchen extraction system to filter contaminated air, produced as a by-product of cooking processes, before returning it into the kitchen environment. Ductless recirculating canopy systems are an ideal solution that can offer high levels of air filtration to problematic kitchens which have no option of external ventilation with a route to atmosphere.
Ductless recirculating ventilation hoods and recirculation air filtration tower systems can be considered as options when planning permission is difficult to obtain or has been refused, due to an externally ducted extraction canopy system being deemed unacceptable. Choosing the right type of ductless recirculating commercial hood system suitable for your commercial kitchen will be governed by the type and size of commercial catering equipment intended to be used in the kitchen.
At Target Catering Equipment we can supply full technical specifications of recirculating air canopy systems that can be issued to the local council for inclusion in planning applications. Target can also design, specify, manufacture and supply bespoke extraction solutions should these be required for your project.
Benefits of Recirculation Commercial Kitchen Extraction:
Complies with ventilation regulations
Reduces fire risks
Controls emissions & odours
Cost effective
Easily maintained
Opens-up previously unsuitable locations
Simplifies planning procedures
COMMERCIAL RECIRCULATING EXTRACTION CANOPY HOODS
A recirculating ventilation canopy hood is only suitable for commercial kitchens making light to medium use of all electric commercial catering equipment. Built-in removable filter sets filter grease, fine particulate, smoke and odour from contaminated air. However, recirculation filtration canopies will not typically extract heat from a kitchen, unless an external connection is made and are not suitable for use with appliances that produce large quantities of steam such as combination ovens or bratt pans.
Target Carbo Clean® ventless recirculating canopies are manufactured from 304 commercial catering grade stainless steel and come with a fan speed controller allowing you to regulate the amount of air being filtered. Along with standard or advanced filter sets including high efficiency fire rated Ecofleece® 100% natural wool fleece filters, baffle filters, synthetic particulate filters, activated carbon panel filters and HEPA smoke control filters suitable for removing grease, odour and smoke.
Image: Target CarboClean® - Commercial Recirculating Extraction Canopy
RECIRCULATION FILTRATION TOWER SYSTEMS
Recirculation filtration tower systems are connected to a canopy hood and are suitable for medium and heavy duty use of all electric commercial catering equipment. With the ability to incorporate larger filtration units delivering extended dwell times and higher power fans for kitchen setups that require higher air flow rates, tower recirculating systems may be more suitable when a ducted system is not possible. Recirculating filtration tower ventilation systems typically have a large footprint and are suitable for larger kitchens with high ceilings.
Image: Recirculation Filtration Tower System
All recirculating canopies must be supported by an independent means of ventilation to atmosphere to match the designed site-specific extract rates of the cookline or in accordance with DW172 must have a minimum of 30 fresh air changes in the area designated as the kitchen space to support a recirculating ventilation system and maintain good air quality.
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