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Pre-cooling –
Optimizing Summer Comfort
How do you keep your building cool on the hottest days of the year?
Pre-cool!
Pre-cooling a building may be required – and significantly helpful – when
the outside air temperature is forecast to be significantly above a design
cooling day.
During prolonged periods of heat, customers connected to Hartford Steam’s
district chilled-water loop can help ensure desired set points within their
buildings by, first, purging the building of warm daytime air using the cool
night air.
Then early in the morning, say between 1 a.m. and 4 a.m., start up
chilled-water air handlers and pre-cool to the desired temperature before
temperatures begin to rise. This will allow for comfortable and consistent
air temperatures during the day and may avert setting a new chilled-water
peak demand later in the day.
From time to time during prolonged warm summer days and Monday mornings when
weekends are warm, Hartford Steam will call customers and ask if they will
pre-cool their buildings. Through these efforts, we can better keep up with
the system load while maintaining cool supply temperatures when needed
during the warmest times of the day.
So remember: Customer cooperation in pre-cooling buildings during prolonged
periods of excessive heat is critical to the overall comfort and success of
your cooling loop. Thank you for your cooperation! |
The Hartford Steam
Company
60 Columbus Boulevard
Hartford, CT 06103-2805
860-548-7350 / 860-548-7360 fax
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