ASHRAE Journal - September 2019 - 81

COLUMN IEQ APPLICATIONS

The Wellness Smart Home

Opportunities for
Connected Devices to
Improve IEQ
BY CHUAN HE, PH.D., MEMBER ASHRAE; CAROLYN B. SWOPE; JIE ZHAO, PH.D., MEMBER ASHRAE

Connected devices that make up "smart homes" are increasingly in high demand.
Such connected devices may include home automation systems, consumer electronic devices, home appliances, security, and communications and entertainment.
Traditionally, smart home systems employing these connected devices have aimed
at energy efficiency, convenience, and security. Connected devices have easily automated settings and are remotely controllable, and such devices can easily concentrate
energy usage at programmed times (e.g., when residents are home), and reduce it at
other times, to achieve overall energy savings and improve convenience.
As the incorporation of connected devices into smart
homes has evolved, however, one potential benefit is
often overlooked: the potential to improve residents'
health, comfort, and well-being. In this piece, we define
the "wellness smart home"-the integration of wellness
solutions in connected home devices to help promote
health and well-being through improving IEQ, including major opportunities in air quality, thermal comfort,
and lighting.

Air Quality
A number of air pollutants in the home environment
have well-established linkages to adverse health outcomes for residents. Airborne particulate matter pollution is the sixth-leading risk factor for disease and
premature death globally, contributing significantly
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to respiratory and cardiovascular conditions.1 Volatile
organic compounds can increase risk of short-term
health effects including eye, nose and throat irritation, headaches, and nausea, as well as long-term
health problems such as kidney, liver, and central
nervous system damage, and potentially cancer.2
Such pollutants can be remediated in home environments through different types of air purification
technologies, e.g., media filters or activated carbon
filters. Carbon dioxide levels can also be an indicator
of whether the home is receiving adequate outdoor
air ventilation, which is important given that concentrations of many internally-generated pollutants are
Chuan He, Ph.D., is a senior director at Delos in New York City. He is a member of ASHRAE
TC 2.3 and 2.4. Carolyn B. Swope, MPH, is a senior associate at Delos. Jie Zhao, Ph.D., is an
executive vice president and head of Delos Labs at Delos. He is a voting member of MTG.OBB.


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ASHRAE Journal - September 2019

Table of Contents for the Digital Edition of ASHRAE Journal - September 2019

Contents
ASHRAE Journal - September 2019 - Intro
ASHRAE Journal - September 2019 - Cover1
ASHRAE Journal - September 2019 - Cover2
ASHRAE Journal - September 2019 - 1
ASHRAE Journal - September 2019 - Contents
ASHRAE Journal - September 2019 - 3
ASHRAE Journal - September 2019 - 4
ASHRAE Journal - September 2019 - 5
ASHRAE Journal - September 2019 - 6
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ASHRAE Journal - September 2019 - Cover3
ASHRAE Journal - September 2019 - Cover4
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