Publications

2023

Walker, Iain S., Nuria Casquero-Modrego, and Brennan Less."Challenges and Opportunities for Home Decarbonization." (2023).

2022

Walker, Iain S., Brennan Less, David M. Lorenzetti, Michael D. Sohn, and Nuria Casquero-Modrego."Compartmentalization and Ventilation System Impacts on Air and Contaminant Transport for a Multifamily Building."Buildings XV Conference (2022).
Less, Brennan, Nuria Casquero-Modrego, and Iain S. Walker."Home Energy Upgrades as a Pathway to Home Decarbonization in the US: A Literature Review."Energies (2022). DOI
Walker, Iain S., Brennan Less, Nuria Casquero-Modrego, and Leo I. Rainer."The Costs of Home Decarbonization in the US."Proceedings of the 2022 Summer Study on Energy Efficiency in Buildings. (2022).
Walker, Iain S., Brennan Less, and Nuria Casquero-Modrego."Pathways to Home Decarbonization."Proceedings of the 2022 Summer Study on Energy Efficiency in Buildings. (2022).
Delp, William W., Brennan Less, Haoran Zhao, Spencer M. Dutton, Wanyu R. Chan, and Brett C. Singer."Simulation-Based Analysis of Impacts of Reduced Envelope and Duct Air Leakage on Indoor Air Pollutant Concentrations in Occupied Manufactured Homes." (2022).
Walker, Iain S., Brennan Less, David M. Lorenzetti, and Michael D. Sohn."Analysis of Zoned Residential Ventilation Systems."AIVC/ASHRAE IAQ 2020 Conference (2022).
Zhao, Haoran, Iain S. Walker, Michael D. Sohn, and Brennan Less."A Time-Varying Model for Predicting Formaldehyde Emission Rates in Homes." (2022). DOI
Walker, Iain S., Brennan Less, and Nuria Casquero-Modrego."Carbon and Energy Cost Impacts of Electrification of Space Heating with Heat Pumps in the US." (2022). DOI

2021

Walker, Iain S., Brennan Less, David M. Lorenzetti, and Michael D. Sohn."Development of Advanced Smart Ventilation Controls for Residential Applications."Energies (2021). DOI
Less, Brennan, Iain S. Walker, and Nuria Casquero-Modrego."Emerging Pathways to Upgrade the US Housing Stock: A Review of the Home Energy Upgrade Literature." (2021).
Chan, Wanyu R., Brennan Less, and Iain S. Walker."DOE Deep Energy Retrofit Cost Survey." (2021).
Less, Brennan, Iain S. Walker, Nuria Casquero-Modrego, and Leo I. Rainer."The Cost of Decarbonization and Energy Upgrade Retrofits for US Homes." (2021).

2020

Young, Matthew, Brennan Less, Spencer M. Dutton, Iain S. Walker, Max H. Sherman, and Jordan D. Clark."Assessment of peak power demand reduction available via modulation of building ventilation systems."Energy and Buildings (2020). DOI
Walker, Iain S., and Brennan Less."Measured Moisture Performance of Sealed and Insulated Attics with Permeable Insulation In California Homes."Thermal Performance of the Exterior Envelopes of Buildings XIV (2020).

2019

Less, Brennan, Spencer M. Dutton, Iain S. Walker, Max H. Sherman, and Jordan D. Clark."Energy savings with outdoor temperature-based smart ventilation control strategies in advanced California homes."Energy and Buildings 194 (2019) 317 - 327. DOI
Less, Brennan, Iain S. Walker, Jonathan L. Slack, Leo I. Rainer, and Ronnen M. Levinson."Sealed and Insulated Attic Hygrothermal Performance in New California Homes Using Vapor and Air Permeable Insulation—Field Study and Simulations." (2019).
Clark, Jordan D., Brennan Less, Spencer M. Dutton, Iain S. Walker, and Max H. Sherman."Efficacy of occupancy-based smart ventilation control strategies in energy-efficient homes in the United States."Building and Environment 156 (2019) 253 - 267. DOI
Less, Brennan, Spencer M. Dutton, Xiwang Li, Jordan D. Clark, Iain S. Walker, and Max H. Sherman."Smart Ventilation for Advance California Homes – Single Zone Technology Task." (2019).
Chan, Wanyu R., Yang-Seon Kim, Brennan Less, Brett C. Singer, and Iain S. Walker."Ventilation and Indoor Air Quality in New California Homes with Gas Appliances and Mechanical Ventilation." (2019).

2018

Clark, Jordan D., Iain S. Walker, Brennan Less, Spencer M. Dutton, Xiwang Li, and Max H. Sherman."Energy Savings Estimates for Occupancy and Temperature-based Smart Ventilation Control Approaches in Single-family Homes."ASHRAE (2018).
Clark, Jordan D., Iain S. Walker, Brennan Less, Spencer M. Dutton, Xiwang Li, and Max Sherman."Energy Savings Estimates for Occupancy- and Temperature-based Smart Ventilation Control Approaches in Single-family California Homes."ASHRAE (2018).
Walker, Iain S., and Brennan Less."Rethinking Occupancy-Based Ventilation Controls."39th AIVC Conference (2018).

2017

Less, Brennan, and Iain S. Walker."Smart Ventilation Controls for Occupancy and Auxiliary Fan Use Across U.S. Climates." (2017).

2016

Less, Brennan, Iain S. Walker, and Sara Ticci."Development of Smart Ventilation Control Algorithms for Humidity Control in High-Performance Homes in Humid U.S. Climates." (2016).