Subj : Re: Heating Up Again
To   : n2qfd
From : k9zw
Date : Mon Jul 01 2024 07:21:58

On 30 Jun 2024, n2qfd said the following...
 
 n2>  So with the weather heating up again in the Northern Hemisphere I was
 n2> just putting up my passive shields and I thought I'd share.

Summer.  Passive shields make a difference, it is their reflectivity rather than the insulating value that matters.  There are curtains that have a reflective rating for the liner.  

Remember though that your curtains if done that way will not pick up energy in winter when every little bit of gain helps.  Perhaps there are summer and winter curtain setups?

You might have the fitments for roller blinds, as they were often part of the "heat armor."

 n2>  I live in a 1930's construction home where central air was not a thing.
 n2> Then and now we use a hot water boiler system and large cast iron
 n2> registers for the winter months and in the summer we sweat... 

Twenty-First century lifestyle in a 20th c house.  We add so many small heat sources, tend to close things up, remove or seldom use features like "summer kitchens", often have removed the basement cisterns which were a huge cooler heat sink.... all while adding computers, lights, TVs, electric this & that, ...  basically all of that is like having a small fire in the fireplace.  Oh then we pave around (driveways) and favor short grass rather than surounding gardens.  As we stay inside way too much.

--

Some folk have been able to use chilled water delivery to those big old radiators, but often you have to build condensate trays if they will end up sweating.  Others use the various split systems, the type you often seen in resturants and some hotels.  Kind of ugly on the most part.

You can add conventional A/C though you will lose space for ducts.  Those spaces can also include a plenum for updated electricty and for connectivity. 

--- Steve K9ZW via SPOT BBS 

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