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Maybe a little ventilation isn't so bad...

Br. Jamie, osb
Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England.
Hoffman Equipped System (all original except boiler), Weil-Mclain 580, 2.75 gph Carlin, Vapourstat 0.5 -- 6.0 ounces per square inch
Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England.
Hoffman Equipped System (all original except boiler), Weil-Mclain 580, 2.75 gph Carlin, Vapourstat 0.5 -- 6.0 ounces per square inch
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Comments
Guess my house is nicer than I thought. I don't have to remember or do any of these things and I automatically get an occasional breeze through the house.
Wouldn't it make sense to figure out how one of the single biggest investment you'll make, operates?
Forgive me if I have no sympathy for them.
It was true in the mid 1920s, and it's true now.
How does the automatic defrost work on that GE?
My 1933 needs to be manually returned back to it's "ON" position but my two 1934 models automatically snap back to it on their own as GE added an extra cam or something to the control in 34.
It works ok, but I usually turn it to OFF and throw an aluminum ice cube tray of hot water in it. An hour or so later I go in, dump the glass tray out and wipe the evaporator down with a cloth and restart it. Cabinet temp is usually around 40F by this point as I run it at 32-34F.
Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England.
Hoffman Equipped System (all original except boiler), Weil-Mclain 580, 2.75 gph Carlin, Vapourstat 0.5 -- 6.0 ounces per square inch
I think I'm in need of one.
PHC News Columnist
Minnich Hydronic Consulting & Design, LLC
https://heatinghelp.com/find-a-contractor/detail/minnich-hydronic-consulting-and-design
The primary thing in the manual is basic operating instructions and maintenance stuff which 90% of people either already know, or let their mechanic handle.
What confuses me on this subject is why would I pay extra to build a house so tight that I have to pay extra to install a fan(s) that I will have to pay extra to run all of the time to create an artificial draft?
Seems counter productive at that point doesn't it?
Not to mention I've seen more health hazards in modern houses than in older ones by far. Great, we saved 2% on energy but are making people sick with mold and other issues.
This meme comes to mind on the subject.
PHC News Columnist
Minnich Hydronic Consulting & Design, LLC
https://heatinghelp.com/find-a-contractor/detail/minnich-hydronic-consulting-and-design
I'd also feed the boiler with outside air if it were possible.
Maybe controlled ventilation isn't bad.
Thus if the current propaganda is to control infiltration to the maximum, to save energy, that is exactly what people will do (if you were to read the stuff my local power company sends out you would conclude that the ideal environment would be a sealed and insulated plastic bubble).
Not an easy problem to solve, eh?
Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England.
Hoffman Equipped System (all original except boiler), Weil-Mclain 580, 2.75 gph Carlin, Vapourstat 0.5 -- 6.0 ounces per square inch
Need to make it so people can control it, but within reason, similar to a car.
My car's system appears to turn recirculate off every so often for 5-10 seconds and then turn it back on.
Make it so there's a minimum amount it will do based on conditions, and make it so there's a maximum it can do. The maximum will probably be limited by the hardware. Use motion sensors to know when people are home, run it for a certain amount of time after people leave and then shut it down. This should also work with pets.
If multiple sensors pick up motion, circulate more air etc.
RH shouldn't effect the minimum setting as people need fresh air to live even when it's humid.
The whole logic to controlling envelope infiltration is to save energy, and increase comfort. With proper ach there should be no mold, or sick building syndrome. Of course this starts with proper design, and implementation of the system.
I honestly don't know if I'd know when to run it.
Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England.
Hoffman Equipped System (all original except boiler), Weil-Mclain 580, 2.75 gph Carlin, Vapourstat 0.5 -- 6.0 ounces per square inch