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Dive into the research topics where Max H. Sherman is active.

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Featured researches published by Max H. Sherman.


Other Information: PBD: 11 Jun 2002 | 2002

Practical Diagnostics for Evaluating Residential Commissioning Metrics

Craig P. Wray; Iain Walker; Jeffrey A. Siegel; Max H. Sherman

LBNL-45959 Practical Diagnostics for Evaluating Residential Commissioning Metrics Craig Wray, Iain Walker, Jeff Siegel, Max Sherman Environmental Energy Technologies Division Indoor Environment Department Lawrence Berkeley National Laboratory Berkeley, CA 94720 July 2002 This report describes work supported by the California Energy Commission through the Public Interest Energy Research program under contract no. 500-98-033, and by the Assistant Secretary for Energy Efficiency and Renewable Energy, Office of Building Technology, State and Community Programs, Office of Building Research and Standards, of the U.S. Department of Energy under contract no. DE-AC03-76SF00098.


Archive | 2014

Houses are Dumb without Smart Ventilation

Iain Walker; Max H. Sherman; Brennan Less

LBNL- Houses are Dumb without Smart Ventilation Iain Walker, Max Sherman and Brennan Less Environmental Energy Technologies Division Lawrence Berkeley National Laboratory Berkeley, CA 94720 May 2014


Other Information: PBD: 30 Sep 2003 | 2003

Ventilation technologies scoping study

Iain Walker; Max H. Sherman

LBNL 53811 E RNEST O RLANDO L AWRENCE B ERKELEY N ATIONAL L ABORATORY Ventilation Technologies Scoping Study I.S. Walker, and M.H. Sherman Environmental Energy Technologies Division October 2003 This work was supported by the Assistant Secretary for Energy Efficiency and Renewable Energy, Building Technologies Program, of the U.S. Department of Energy under contract No. DE-AC03-76SF00098. The research reported here was also funded by the California Institute for Energy Efficiency (CIEE), a research unit of the University of California, under Blanket Award Number C- 02-01, Task Order Number 13, LBNL Technical Assistance for PIER. Publication of research results does not imply CIEE endorsement of or agreement with these findings, nor that of any CIEE sponsor.


International Journal of Ventilation | 2011

Optimization of Occupancy Based Demand Controlled Ventilation in Residences

Dorthe Kragsig Mortensen; Iain S. Walker; Max H. Sherman

Abstract Although it has been used for many years in commercial buildings, the application of demand controlled ventilation in residences is limited. In this study we used occupant exposure to pollutants integrated over time (referred to as “dose”) as the metric to evaluate the effectiveness and air quality implications of demand controlled ventilation in residences. We looked at air quality for two situations. The first is that typically used in ventilation standards: the exposure over a long term. The second is to look at peak exposures that are associated with time variations in ventilation rates and pollutant generation. The pollutant generation had two components: a background rate associated with the building materials and furnishings and a second component related to occupants. The demand controlled ventilation system operated at a low airflow rate when the residence was unoccupied and at a high airflow rate when occupied. We used analytical solutions to the continuity equation to determine the ventilation effectiveness and the long-term chronic dose and peak acute exposure for a representative range of occupancy periods, pollutant generation rates and airflow rates. The results of the study showed that we can optimize the demand controlled airflow rates to reduce the quantity of air used for ventilation without introducing problematic acute conditions.


Lawrence Berkeley National Laboratory | 1999

Distribution Effectiveness and Impacts on Equipment Sizing for Residential Thermal Distribution Systems

Iain S. Walker; Max H. Sherman; Jeffrey A. Siegel

This report was prepared as a result of work sponsored by the California Energy Commission (Commission), through a contract with the Regents of the University of California, California Institute for Energy Efficiency (CIEE). It does not necessarily represent the views of the Commission, its employees, the State of California, The Regents, or CIEE. The Commission, the Regents, the State of California, CIEE, their employees, contractors, and subcontractors, make no warranty, express or implied, and assume no legal liability for the information in this report; nor does any party represent that the use of this information will not infringe upon privately owned rights. This report has not been approved or disapproved by the Commission or CIEE, nor has the Commission or CIEE passed upon the accuracy or adequacy of the information in this report.


Archive | 2014

Advanced Controls for Residential Whole-House Ventilation Systems

William J.N. Turner; Iain Walker; Max H. Sherman

Author(s): Turner, William; Walker, Iain; Sherman, Max | Abstract: Whole-house ventilation systems are becoming commonplace in new construction, remodeling/renovation, and weatherization projects, driven by combinations of specific requirements for indoor air quality (IAQ), health and compliance with standards, such as ASHRAE 62.2. Ventilation systems incur an energy penalty on the home via fan power used to drive the airflow, and the additional space-conditioning load associated with heating or cooling the ventilation air. Finding a balance between IAQ and energy use is important if homes are to be adequately ventilated while not increasing the energy burden. This study used computer simulations to examine RIVEC the Residential Integrated Ventilation Controller - a prototype ventilation controller that aims to deliver whole-house ventilation rates that comply with ventilation standards, for the minimum use of energy. Four different whole-house ventilation systems were simulated, both with and without RIVEC, so that the energy and IAQ results could be compared. Simulations were conducted for 13 US climate zones, three house designs, and three envelope leakage values.The results showed that the RIVEC controller could typically return ventilation energy savings greater than 40percent without compromising long-term chronic or short-term acute exposures to relevant indoor contaminants. Critical and average peak power loads were also reduced as a consequence of using RIVEC.


Archive | 2016

Healthy Efficient New Gas Homes (HENGH) Pilot Test Results

Wanyu R. Chan; Randy L. Maddalena; Chris Stratton; Toshifumi Hotchi; Brett C. Singer; Iain Walker; Max H. Sherman

Author(s): Chan, Wanyu R.; Maddalena, Randy L; Stratton, Chris; Hotchi, Toshifumi; Singer, Brett C.; Walker, Iain S.; Sherman, Max H. | Abstract: The Healthy Efficient New Gas Homes (HENGH) is a field study that will collect data on ventilation systems and indoor air quality (IAQ) in new California homes that were built to 2008 Title 24 standards. A pilot test was performed to help inform the most time and cost effective approaches to measuring IAQ in the 100 test homes that will be recruited for this study. Two occupied, single-family detached homes built to 2008 Title 24 participated in the pilot test. One of the test homes uses exhaust-only ventilation provided by a continuous exhaust fan in the laundry room. The other home uses supply air for ventilation. Measurements of IAQ were collected for two weeks. Time-resolved concentrations of particulate matter (PM), nitrogen dioxide (NO2), carbon dioxide (CO2), carbon monoxide (CO), and formaldehyde were measured. Measurements of IAQ also included time-integrated concentrations of volatile organic compounds (VOCs), volatile aldehydes, and NO2. Three perfluorocarbon tracers (PFTs) were used to estimate the dilution rate of an indoor emitted air contaminant in the two pilot test homes. Diagnostic tests were performed to measure envelope air leakage, duct leakage, and airflow of range hood, exhaust fans, and clothes dryer vent when accessible. Occupant activities, such as cooking, use of range hood and exhaust fans, were monitored using various data loggers. This document describes results of the pilot test.


Archive | 2014

Duct Leakage Repeatability Testing

Iain Walker; Max H. Sherman

The purpose of this report is to evaluate the repeatability of the three most significant measurement techniques for duct leakage using data from the literature and recently obtained field data. We will also briefly discuss the first two factors. The main question to be answered by this study is to determine if differences in the repeatability of these tests methods is sufficient to indicate that any of these methods is so poor that it should be excluded from consideration as an allowed procedure in codes and standards. The three duct leak measurement methods assessed in this report are the two duct pressurization methods that are commonly used by many practitioners and the DeltaQ technique. These are methods B, C and A, respectively of the ASTM E1554 standard. Although it would be useful to evaluate other duct leak test methods, this study focused on those test methods that are commonly used and are required in various test standards, such as BPI (2010), RESNET (2014), ASHRAE 62.2 (2013), California Title 24 (CEC 2012), DOE Weatherization and many other energy efficiency programs.


Lawrence Berkeley National Laboratory | 2001

Evaluation of flow hood measurements for residential register flows

Iain S. Walker; Craig P. Wray; Darryl Dickerhoff; Max H. Sherman


1998 ACEEE Summer Study on Energy Efficiency in Buildings 'Energy Efficiency in a Competitive Environment', Pacific Grove, CA, August 23-28, 1998 | 1998

Saving Tons at the Register

Karl Brown; Jeff Seigel; Max H. Sherman; Iain Walker

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Iain Walker

University of California

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Iain S. Walker

Lawrence Berkeley National Laboratory

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Craig P. Wray

Lawrence Berkeley National Laboratory

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Wanyu R. Chan

Lawrence Berkeley National Laboratory

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Brennan Less

Lawrence Berkeley National Laboratory

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Mark P. Modera

Lawrence Berkeley National Laboratory

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