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Mini split for porch
Posted on 7/4/22 at 7:53 pm
Posted on 7/4/22 at 7:53 pm
Builders are talking about people now installing mini splits on back porches. While it does not keep air in obviously it will blow freezing cold air over a certain entertainment or sitting area. Do these things last awhile? Maintenance on them?
6
Posted on 7/4/22 at 9:07 pm to Manymarbles
God damn I'm frickin poor
Posted on 7/4/22 at 9:10 pm to Manymarbles
Posted on 7/4/22 at 9:28 pm to HangingWithMrCooper
My contractor told me people are putting an extra 5 ton unit with multiple 18” air registers blowing on seating areas for their patios for cooling. This is open patio’s….what am I missing here? Literally throwing money to the wind!
Posted on 7/4/22 at 9:28 pm to Manymarbles
I saw a house recently that had an A/C vent on the back patio. Looked to be run from the indoor central air. In between 2 ceiling fans on the patio to blow the cold air down, I suppose. Don’t know how well(or poorly) this works. I guess you only add a minimal amount of cost to operate assuming the A/C is sized for the inside plus the extra vent. All the return air came from indoors. It made me curious, but I assumed it didn’t really work that well since it isn’t widespread.
Posted on 7/4/22 at 9:45 pm to Canvasback
quote:
My contractor told me people are putting an extra 5 ton unit with multiple 18” air registers blowing on seating areas for their patios for cooling. This is open patio’s….what am I missing here? Literally throwing money to the wind!
My dad used to yell at me if I kept the door open to long when going outside and say “I’m not cooling the whole neighborhood”
I guess these people are cooling the whole neighborhood 
Posted on 7/4/22 at 9:48 pm to Manymarbles
Do it and halt global warming for all of us please.
Posted on 7/4/22 at 10:24 pm to Manymarbles
Are you saying they want to air condition an area open to the outside? I have one in my patio and it's awesome but it has walls and doors etc.
Posted on 7/4/22 at 11:38 pm to Manymarbles
This won't work very well.
The way an A/C system works is to recirculate air inside the envelope and bring down the humidity and temperature by sending the same air through multiple passes over the coils.
Essentially the outdoor unit would be a once through system.
Hospital surgery rooms have these types of systems but they are incredibly oversized and have separate dehumidification systems.
You'll see something similar at Disney when they leave the doors open 24/7 but you don't see the refrigeration plant they have running in the background.
Running a vent off your main system is even worse. It guarantees your house is under negative pressure and will draw in makeup air from the outdoors.
The way an A/C system works is to recirculate air inside the envelope and bring down the humidity and temperature by sending the same air through multiple passes over the coils.
Essentially the outdoor unit would be a once through system.
Hospital surgery rooms have these types of systems but they are incredibly oversized and have separate dehumidification systems.
You'll see something similar at Disney when they leave the doors open 24/7 but you don't see the refrigeration plant they have running in the background.
Running a vent off your main system is even worse. It guarantees your house is under negative pressure and will draw in makeup air from the outdoors.
Posted on 7/5/22 at 7:37 am to AndyCBR
I've been to a house w/ several AC vents on the open porch. The vents were positioned directly above ceiling fans and you could absolutely feel the difference.
That said, I wouldn't want it tied to my central unit and running 24/7. With cash to burn I'd definitely be interested in a mini split for intermittent use. Have one setup in my garage and highly recommend
That said, I wouldn't want it tied to my central unit and running 24/7. With cash to burn I'd definitely be interested in a mini split for intermittent use. Have one setup in my garage and highly recommend
Posted on 7/5/22 at 9:17 am to SwampCollie
This should win First World Problem of the Day fo sho
Posted on 7/5/22 at 12:12 pm to SwampCollie
quote:
I've been to a house w/ several AC vents on the open porch. The vents were positioned directly above ceiling fans and you could absolutely feel the difference.
Yes, when you pump conditioned air out of the conditioned space to the porch I bet you can feel the difference on the porch.
Wanna know where the makeup air is coming from for the conditioned space?
It’s a dumb idea and the same as having leaky supply ducts in the attic.
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