ASHRAE Journal - November 2014 - 12
TECHNICAL FEATURE
90.1 and Designing
High Performance
Commercial Kitchen
Ventilation Systems
BY DON FISHER, P.ENG., ASSOCIATE MEMBER ASHRAE; AND RICH SWIERCZYNA, ASSOCIATE MEMBER ASHRAE
The energy use intensity associated with operating commercial kitchen ventilation
(CKV) systems is well recognized within the HVAC design community and food service
industry. This operating cost burden has stimulated energy efficiency design concepts
in recent years, including the application of demand-controlled kitchen ventilation
(DCKV).1 Over the past two and a half decades, ASHRAE Technical Committee 5.10,
Kitchen Ventilation, developed and maintained a robust Handbook Chapter2 while its
affiliated Standing Standards Project Committee (SSPC) 154 has promulgated ASHRAE
Standard 154, Ventilation for Commercial Cooking Operations. This standard has been a
catalyst and technical foundation for overhauling the kitchen ventilation section in
the International Mechanical Code (IMC).3 Effective 2010, ASHRAE Standard 90.1, Energy
Standard for Buildings Except Low-Rise Residential Buildings, has embraced specific requirements for commercial kitchen ventilation. Subsequently, California Title 24 incorporated similar requirements commencing in 2014.4
Unfortunately, the industry effort to increase the
energy efficiency of CKV systems has not had a corresponding impact on improving thermal comfort within
kitchens. In striving to reduce energy consumption,
engineers have had a long-standing tendency to minimize (or avoid) tempering makeup air, often compromising thermal comfort in the kitchen. Everyone (from
employees to design professionals) has acknowledged
that commercial kitchens represent a hot working
environment, but documentation of sensible and
radiant temperatures in commercial kitchens did not
exist within the public domain. In response, ASHRAE
funded a research project titled Thermal Comfort in
Commercial Kitchens5 that quantified the relatively
extreme thermal conditions in 100 commercial kitchens (Figure 1).
Don Fisher, P.Eng., is a partner at Fisher Consultants, and Rich Swierczyna is senior engineer and CKV lab manager with Fisher-Nickel, at the PG&E Food Service Technology Center
in San Ramon, Calif.
12
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ASHRAE Journal - November 2014
Table of Contents for the Digital Edition of ASHRAE Journal - November 2014
Contents
ASHRAE Journal - November 2014 - Cover1
ASHRAE Journal - November 2014 - Cover2
ASHRAE Journal - November 2014 - 1
ASHRAE Journal - November 2014 - 2
ASHRAE Journal - November 2014 - Contents
ASHRAE Journal - November 2014 - 4
ASHRAE Journal - November 2014 - 5
ASHRAE Journal - November 2014 - 6
ASHRAE Journal - November 2014 - 7
ASHRAE Journal - November 2014 - 8
ASHRAE Journal - November 2014 - 9
ASHRAE Journal - November 2014 - 10
ASHRAE Journal - November 2014 - 11
ASHRAE Journal - November 2014 - 12
ASHRAE Journal - November 2014 - 13
ASHRAE Journal - November 2014 - 14
ASHRAE Journal - November 2014 - 15
ASHRAE Journal - November 2014 - 16
ASHRAE Journal - November 2014 - 17
ASHRAE Journal - November 2014 - 18
ASHRAE Journal - November 2014 - 19
ASHRAE Journal - November 2014 - 20
ASHRAE Journal - November 2014 - 21
ASHRAE Journal - November 2014 - 22
ASHRAE Journal - November 2014 - 23
ASHRAE Journal - November 2014 - 24
ASHRAE Journal - November 2014 - 25
ASHRAE Journal - November 2014 - 26
ASHRAE Journal - November 2014 - 27
ASHRAE Journal - November 2014 - 28
ASHRAE Journal - November 2014 - 29
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ASHRAE Journal - November 2014 - 38
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ASHRAE Journal - November 2014 - Cover3
ASHRAE Journal - November 2014 - Cover4
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