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Trailside Towns at Grey Silo | Complete
#31
(12-29-2021, 11:02 AM)tomh009 Wrote: The balcony-based systems are a different kettle of fish, though. 100+ individual AC units to install and maintain -- but it allows you to move the AC operating costs to the individual tenants, making these solutions attractive primarily to rental buildings.

In the Drewlo building I'm referring to electricity wasn't sub-metered. They only installed meters a couple years ago when required to by the province. So it wasn't a cost saving measure, and I can only assume it was because they wanted units to have individual switchover.
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#32
(12-29-2021, 12:05 PM)tomh009 Wrote: The condo corporation is just the collective group of owners. Smile

Yes, I know that. But so is the Federal government just the collective group of Canadian citizens, and similarly for the provinces and municipalities. The point is that people don’t always behave the same when dealing with their immediate interests as compared to their interests as represented by a larger group.
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#33
(12-27-2021, 09:45 PM)EdM Wrote: A bit off topic, but with newer technology it's possible to have a 2-pipe system switch to heating over night and cooling during the day. Here's an article on a school retrofit: Two-Pipe HVAC Makes a Comeback:  An Idea Discarded Decades Ago May Be the Future of School Heating and Cooling.

"Changeover can be accomplished with very little loss of energy in 20 minutes with no human intervention whatever."

That link was stellar, thank you!
...K
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#34
Perhaps we can rename this thread to Trailside Condos at Grey Silo Gate, as the towns is the next phase?
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#35
(01-31-2022, 12:10 PM)KevinT Wrote:
(12-27-2021, 09:45 PM)EdM Wrote: A bit off topic, but with newer technology it's possible to have a 2-pipe system switch to heating over night and cooling during the day. Here's an article on a school retrofit: Two-Pipe HVAC Makes a Comeback:  An Idea Discarded Decades Ago May Be the Future of School Heating and Cooling.

"Changeover can be accomplished with very little loss of energy in 20 minutes with no human intervention whatever."

That link was stellar, thank you!

It’s hard to imagine that’s really needed. If a building starts comfortable or slightly cool in the morning, high daytime temperatures will not normally make it uncomfortable by the end of the day except in unusual situations (e.g. poor design with massive solar gain, or a room with a massive brick oven). So it should be enough to ventilate overnight, if one were considering using both the heating and cooling over the course of a 24-hour period. With proper ventilation and building design that takes into account the laws of physics, air conditioning is needed only when it’s so hot that the night time temperatures are not cool enough to get the building down to a comfortable temperature by morning.

I’m more interested in the spring/fall times when you can have a week where air conditioning is justified followed by one in which heating is justified. So switching over on a day’s notice could be useful.
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