Title

Evaluation of the Space Heating and Cooling Energy Savings of Smart Thermostats in a Hot-Humid Climate using Long-term Data

Secondary Author(s)

Sutherland, Karen; Chasar, David

Report Number

FSEC-RR-647-16

URL

http://publications.energyresearch.ucf.edu/wp-content/uploads/2018/06/FSEC-RR-647-16.pdf

Keywords

Hot Humid Climates; Buildings

Abstract

'Smart' thermostats regulate the home temperature by self-programming using heuristic evaluation of user habits and occupancy. Within the Phased Deep Retrofit (PDR) Project in Florida, a total of 26 NEST thermostats and two Lyric thermostats were installed in participating homes. Unlike previous evaluations, a full year of sub-metered hourly temperature and heating and cooling system operation data was available prior to the install of the smart thermostat allowing detailed evaluation of temperature-related changes. Overall measured heating and cooling energy savings averaged 9.5%.

Date Published

8-31-2016

Subjects

Buildings; Hot Humid Climates

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