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Message
re: Does anyone have ductless air conditioning/heat?
Posted on 8/22/18 at 11:34 am to MojoGuyPan
Posted on 8/22/18 at 11:34 am to MojoGuyPan
quote:
If you're in southern Louisiana or Texas mini-splits are going to suck. Go for a simple window unit for that space.
A mini-split system isn't going to be able to keep up with the heat, a window unit can and is cheaper.
Mini-splits are a good choice further up north where you aren't contending with so much heat. Colorado, Nor-Cal, Oregon, Washington etc.
You'll be frustrated in SEC country with one of those.
You don't have a clue about mini-splits.
3
Posted on 8/22/18 at 11:39 am to Broke
I moved to Philly a few months ago, and my new place has a mini-split. Two Mitsubishi units, one for each floor. It is great downstairs, since it wide open, but is more of a pain upstairs in the bedrooms with the unit in the hall. There are vent louvers into the rooms, but they don't get good airflow unless the doors are open.
Aside from that, I don't think it's any worse than ducted, they are mostly silent, are efficient, and cool effectively. Haven't tried heat yet.
Aside from that, I don't think it's any worse than ducted, they are mostly silent, are efficient, and cool effectively. Haven't tried heat yet.
This post was edited on 8/22/18 at 11:40 am
Posted on 8/22/18 at 11:49 am to MojoGuyPan
quote:
If you're in southern Louisiana or Texas mini-splits are going to suck. Go for a simple window unit for that space.
I know very little on them, but what research I have done on mini splits is the exact opposite of this. They are the best units actually as far as Seer ratings go.
The only issues with mini splits really are finding a good place to put them as they go in the wall.
Posted on 8/22/18 at 11:53 am to fishfighter
quote:
When running, sound level is no more then 56DB's
A Honda EC2200i inverter generator noise level is 53 to 59dB
Posted on 8/22/18 at 11:53 am to Broke
I have two Daikin, 2.0 ton (24,000 btu) units. I had them installed about 4 years in two rooms that I like to leave cooler than the rest of the house.
One is in our media/game room and one is in the master bedroom. Each of those rooms is approximately 400 sq. feet and the mini-splits can keep those rooms cold even on hot days. They are very quiet...much quieter than any window unit because the compressor part of the unit is completely outside the house on a pad on the ground. When the fan is on low I can't hear it running.
We paid about $3,500/each to have them installed by Baton Rouge Heating and Air Conditioning. They come with a multi-year warranty, parts and labor, which we have not had to use.
My only complaint is I wish we had done it a decade ago.
One is in our media/game room and one is in the master bedroom. Each of those rooms is approximately 400 sq. feet and the mini-splits can keep those rooms cold even on hot days. They are very quiet...much quieter than any window unit because the compressor part of the unit is completely outside the house on a pad on the ground. When the fan is on low I can't hear it running.
We paid about $3,500/each to have them installed by Baton Rouge Heating and Air Conditioning. They come with a multi-year warranty, parts and labor, which we have not had to use.
My only complaint is I wish we had done it a decade ago.
Posted on 8/22/18 at 11:55 am to MardiGrasCajun
We put a mini-split in a guest room and it cools the space instantly, it's whisper-quiet, and it's extremely efficient.
If I were building, I'd do a ductless house with these.
They're all over Europe, even Africa. I'm hoping the prices over here will drop over time.
If I were building, I'd do a ductless house with these.
They're all over Europe, even Africa. I'm hoping the prices over here will drop over time.
Posted on 8/22/18 at 12:01 pm to MojoGuyPan
quote:
If you're in southern Louisiana or Texas mini-splits are going to suck. Go for a simple window unit for that space. A mini-split system isn't going to be able to keep up with the heat, a window unit can and is cheaper. Mini-splits are a good choice further up north where you aren't contending with so much heat. Colorado, Nor-Cal, Oregon, Washington etc. You'll be frustrated in SEC country with one of those.
Nonsense, there are tons of them in use all over New Orleans, if properly sized they are excellent.
Posted on 8/22/18 at 12:09 pm to baldona
quote:
The only issues with mini splits really are finding a good place to put them as they go in the wall.
There are some really clever ways people have disguised them. This is one of my favorites.
I've also seen a sort of shelf built inside a closet and above the closet door with a transom above the door. This allows for mounting the evaporator of the mini split above the closet door and blowing into the bedroom. It used a decorative grille on the bedroom side that matched the louvered door below and was very similar in concept to how the evaporator is hidden in the entertainment center pictured above. Instead of building something attached to the wall to hide it, the wall was built to accommodate the unit and move its bulk inside the closet while still being able to throw into the bedroom.
If you are building with mini-splits in mind, they can be VERY effectively hidden or blended into a space. If I ever build, I'm DEFINITELY building to use mini-splits.
This post was edited on 8/22/18 at 12:21 pm
Posted on 8/22/18 at 12:50 pm to MojoGuyPan
quote:I tried and failed to find something correct in this part of your post.
If you're in southern Louisiana or Texas mini-splits are going to suck. Go for a simple window unit for that space.
A mini-split system isn't going to be able to keep up with the heat
You'll be frustrated in SEC country with one of those.
Posted on 8/22/18 at 3:35 pm to LSURussian
I don't have any windows in the rooms that are being built. So a window unit would be useless. 2 AC guys have recommended ductless so far.
Posted on 8/22/18 at 3:57 pm to NyCaLa
quote:
If I were building, I'd do a ductless house with these. They're all over Europe, even Africa. I'm hoping the prices over here will drop over time.
Can someone explain why anyone is building central systems with ducts? This thread makes it sound like the mini split systems are far superior
I always thought the main benefit is that they could be retro fit to a building not designed with ducts.
I have also found the ACs in Europe to suck.
Posted on 8/22/18 at 4:04 pm to bee Rye
quote:
OP, they work fine, but they look like shite IMO
I've had them in resort cabin/bungalows. They do standout obviously but they work fine.
quote:
I tried and failed to find something correct in this part of your post.
Yea no shite. I was in Cozumel and again in Jamaica and both of these places were about 600-800 sqft and had these systems. Worked very well.
This post was edited on 8/22/18 at 4:06 pm
Posted on 8/22/18 at 4:07 pm to OceanMan
quote:Aesthetics and cost. Central ducted units are almost completely out of sight to occupants and they're generally cheaper per square foot of house you're trying to cool.
Can someone explain why anyone is building central systems with ducts? This thread makes it sound like the mini split systems are far superior
Posted on 8/22/18 at 4:26 pm to MardiGrasCajun
quote:
You don't have a clue about mini-splits.
I'm not an HVAC guy but every coffee shop, restaurant or house in the old part of Kissimmee with these types of ACs, I've sweat balls. They just don't work.
Maybe the units were undersized but they only felt cool sitting right next to them. Only once was I impressed with them, a friend had multiple units throughout his house and it worked well.
The window units I've seen in garages kill these things. Yes they are trashy but they work. The only good thing about the splits is that they are variable.
Seriously dozens of experiences with them and only one being positive leaves me salty.
Every house, office or restaurant I've been in with central AC have been totally fine.
There's a lot of fail with the mini split ACs.
This post was edited on 8/22/18 at 4:27 pm
Posted on 8/22/18 at 4:30 pm to TigerstuckinMS
quote:
Aesthetics and cost. Central ducted units are almost completely out of sight to occupants and they're generally cheaper per square foot of house you're trying to cool.
So it is a no brainer for new construction in the south right?
Posted on 8/22/18 at 4:53 pm to MojoGuyPan
quote:
I'm not an HVAC guy but every coffee shop, restaurant or house in the old part of Kissimmee with these types of ACs, I've sweat balls. They just don't work.
I am an HVAC guy. Not an installer. I manufacture them. The problem with the first two examples were they're undersized for sure. Probably the same situation with the house, too. These people aren't taking into account the full heat load. The units in the coffee shop and restaurant "may" cool it down when nothing is running however once the cooking equipment gets going it will never cool the place. The customer's body heat is another heat load. You also have power ventilators in the cooking areas that remove exhaust, grease, fumes, etc....they're also removing air conditioning. Anyone with a commercial establishment of this type should never be using mini-splits for cooling.
The home is probably under insulated and the unit was undersized for the heat load in the heat of the day.
Designing a good air conditioning system for a commercial or residential installation requires all heat loads to be calculated. Anyone just throwing in an a/c based on square footage will probably come up short.
Posted on 8/22/18 at 4:55 pm to OceanMan
quote:
So it is a no brainer for new construction in the south right?
Yes. If you have the attic space, go central air conditioning.
Posted on 8/22/18 at 4:57 pm to Broke
They crap out after 6 or 7 years. Just get a window unit.
Posted on 8/22/18 at 5:03 pm to MardiGrasCajun
Accidentally down voted. I agree with you.
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