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Spring Air Products

Enviro Unit

The Spring Air Systems Inc. Kitchen Enviro System (KES) has been designed and constructed specifically for a commercial kitchen exhaust. The units are simple to operate and easy to maintain. The individual components have been selected to provide trouble free, reliable operation.

The KES units are built-in accordance to the National Building Code, National Fire Protection Association (NFPA-96) and listed by the Underwriters Laboratories of Canada and Underwriters Laboratories Inc. The unit is installed in the exhaust ductwork after the commercial kitchen exhaust and before the discharge to atmosphere.

NOTE: PRIOR TO ANY KES INSTALLATION THE INSTALLER MUST SEEK THE APPROVAL OF THE AUTHORITY HAVING JURISDICTION.

KES ENVIRO UNIT

The KES unit provides manageable alternatives to the most difficult commercial kitchen exhaust installation problems.

  • when installing an "all-welded NFPA-96" exhaust duct from the kitchen to the roof is not feasible.
  • when the installation of extremely long runs of exhaust duct sends construction cost skyrocketing. The KES unit can be discharged at low levels.
  • when discharging the grease laden kitchen exhaust presents an unusual fire hazard or maintenance problem.
  • when the kitchen exhaust discharge odor is offensive.

The KES unit is installed to clean the exhaust air of grease and odor. The UL/ULC listing allows the exhaust to be discharged at low levels. In other words, the exhaust ductwork may be discharged through side exterior walls below the roof level and without normal clearance to property lines or into parking garages. These exceptions to the standard NFPA-96 code are possible with a combination high efficiency filtration system and a unique electrical and mechanical safety circuit.

The KES Enviro unit is available in sizes ranging from 1,000 to 40,000 CFM

(475 to 19,000 l/s), horizontal or vertical arrangement, (vertical units are available up to 8,000 CFM (3,800 l/s) indoor or outdoor design, and for use with dry hoods or water wash ventilators.

There are four parts to the Enviro system:

  1. KES-ISH Filter unit
  2. KESF fan unit
  3. Odour reducing unit
    • Odour spray (OS)
    • Odour pellets (OP)
  4. RPD-P remote control panel

The Enviro fan and filter units are available split or as a complete unit, horizontal or vertical, and indoor or outdoor. Multiple filter units can be connected to one fan unit. The filter unit can be located indoors and fan unit outdoor.

NFPA-96 code requires that the fan and filter unit be treated as part of the kitchen exhaust ductwork when determining clearances and fire rating requirements.

The type of hood installed in conjunction with an Enviro unit will directly effect the amount of replacement filters required. The highest efficiency Spring Air Systems type "C" cold water spray water wash hood required the least maintenance cost while the least efficient standard NFPA-96 hood requires the most maintenance cost.