Air Conditioning: In wall or Portable

Friendly_Grower

Friendly_Grower

Well-Known Member
I have been reading here that people are going about grow-room cooling differently.
Some have the kind that is outside. Some have units in a window or wall and others seem to be using portable units.

I thought to canvas your opinion because I am in the planning stages of designing a grow-room.
In my case there is up to 72 Sq Ft of floor space and about 504 Cu Ft of air volume.
Naturally we know there will be heat and humidity. This is a very humid area. It can be miserable hot at times too.

What I have read so far is that an in-wall unit can cool and dehumidify. I own a portable so I know it can cool but it creates a negative air flow and exports odors so any output there will have to be part of odor control.

So yeah, I sure can use your input. Also I think other growers are interested too.


Friendly_Grower
 
Rurumo

Rurumo

Well-Known Member
Calculate the amount of BTUs your setup will produce and then get an appropriate mini-split or window unit if it can handle that amount of heat. A window unit will be the cheapest option, but that only matters if it can handle your BTU load. In a room packed with lights, dehumidifier, and possibly propane burner, you'll likely have to go with a mini-split.
 
Lordhooha

Lordhooha

Well-Known Member
Friendly_Grower said:
I have been reading here that people are going about grow-room cooling differently.
Some have the kind that is outside. Some have units in a window or wall and others seem to be using portable units.

I thought to canvas your opinion because I am in the planning stages of designing a grow-room.
In my case there is up to 72 Sq Ft of floor space and about 504 Cu Ft of air volume.
Naturally we know there will be heat and humidity. This is a very humid area. It can be miserable hot at times too.

What I have read so far is that an in-wall unit can cool and dehumidify. I own a portable so I know it can cool but it creates a negative air flow and exports odors so any output there will have to be part of odor control.

So yeah, I sure can use your input. Also I think other growers are interested too.


Friendly_Grower
Click to expand...
How much wattage you running. Sqft doesn’t give you shit for how much cooling you need when it comes to growing. Need to figure out your btu load.
 
Friendly_Grower

Friendly_Grower

Well-Known Member
Lordhooha said:
How much wattage you running. Sqft doesn’t give you shit for how much cooling you need when it comes to growing. Need to figure out your btu load.
Click to expand...
I do not have a firm design yet.
I could see running twin 1k HPS at the same time. Nothing firm yet however. Not more than 2k but maybe twin 1k HPS. I am designing for that.
Thank You for your input.

Friendly_Grower
 
Friendly_Grower

Friendly_Grower

Well-Known Member
xtsho said:
Running your lights at night can make a big difference on how much cooling you need.
Click to expand...
One of the possible things is to heat the house. Waste not.
Still a basic ability to cool things down would be smart.
So I'm asking what people think.
Thank you for your input.

Friendly_Grower
 
Friendly_Grower

Friendly_Grower

Well-Known Member
Rurumo said:
Calculate the amount of BTUs your setup will produce and then get an appropriate mini-split or window unit if it can handle that amount of heat. A window unit will be the cheapest option, but that only matters if it can handle your BTU load. In a room packed with lights, dehumidifier, and possibly propane burner, you'll likely have to go with a mini-split.
Click to expand...
Thank you.

Friendly_Grower
 
Friendly_Grower

Friendly_Grower

Well-Known Member
WantToBeMastaGrowa said:
I'd go with mini split if you aint got a grow tent , if you have a grow tent go with portable with duct.
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The portable offers exhaust so I was thinking air in air out. The air out naturally would need to be scrubbed.
I wonder if portables get rid of humidity or simply expel the hot air as is.
Yeah, thinking is what I'm doing.
What think twice spend once eh :)
 
Lordhooha

Lordhooha

Well-Known Member
Friendly_Grower said:
The portable offers exhaust so I was thinking air in air out. The air out naturally would need to be scrubbed.
I wonder if portables get rid of humidity or simply expel the hot air as is.
Yeah, thinking is what I'm doing.
What think twice spend once eh :)
Click to expand...
They remove some but rarely enough for a grow
 
O

oill

Well-Known Member
Friendly_Grower said:
I have been reading here that people are going about grow-room cooling differently.
Some have the kind that is outside. Some have units in a window or wall and others seem to be using portable units.

I thought to canvas your opinion because I am in the planning stages of designing a grow-room.
In my case there is up to 72 Sq Ft of floor space and about 504 Cu Ft of air volume.
Naturally we know there will be heat and humidity. This is a very humid area. It can be miserable hot at times too.

What I have read so far is that an in-wall unit can cool and dehumidify. I own a portable so I know it can cool but it creates a negative air flow and exports odors so any output there will have to be part of odor control.

So yeah, I sure can use your input. Also I think other growers are interested too.


Friendly_Grower
Click to expand...
Get a mini split. I have the air tube portable kjnd and it's not great and uses a load of electric
 
Wet Socks

Wet Socks

Member
Bear in mind a portable one will duct your smelly air out into the open, not good if you are trying to keep things low key.

The back of my portable a/c used to get that hot in summer it negated the air being cooled. I'd go for a mini-split every time.
 
pahval

pahval

Well-Known Member
ive had portable air conditioner for home cooling, it wasnt doing anything in summer, i assume it wont to much for your lung room as well... but that was about 13 yeara ago, maybe today devices got better...
 
pahval

pahval

Well-Known Member
here is a good info on calculating your btu:

Calculating The Size of a Air Conditioner

OK guys so this come's up as or in a thread just about every other day.... with this formula a room would be able to get in the 70-72 deg range even when it's 100+ but yet still maintain humidity at night time with proper air movement Calculating Heat Load Heat is measured in either BTU or...
www.icmag.com
 
Lordhooha

Lordhooha

Well-Known Member
pahval said:
ive had portable air conditioner for home cooling, it wasnt doing anything in summer, i assume it wont to much for your lung room as well... but that was about 13 yeara ago, maybe today devices got better...
Click to expand...
Holy hell you were using a portable for cooling your house. Mini splits are way motter cost effective. You can pick them up fairly cheap too. The best and industry standard of calculating your btu load is simply total watts x 3.4= btu all that other junk isn't needed from that link. It over complicates things
 
pahval

pahval

Well-Known Member
Lordhooha said:
Holy hell you were using a portable for cooling your house. Mini splits are way motter cost effective. You can pick them up fairly cheap too. The best and industry standard of calculating your btu load is simply total watts x 3.4= btu all that other junk isn't needed from that link. It over complicates things
Click to expand...
not me, my mother... i dont believe its a good calculation, it seems logical to include room size, but i may be wrong as im not an expert in cooling... and i definitely dont believe its an industry standard, something like 3.4 just doesnt make sense to be applicable to room size of 2x2x2 and 8x8x2...
 
Lordhooha

Lordhooha

Well-Known Member
pahval said:
not me, my mother... i dont believe its a good calculation, it seems logical to include room size, but i may be wrong as im not an expert in cooling... and i definitely dont believe its an industry standard, something like 3.4 just doesnt make sense to be applicable to room size of 2x2x2 and 8x8x2...
Click to expand...
It does as your offsetting the heat load in whatever size room. In a 2x2 you have 600watts total so it would be 600x3.42=2040 btu in an 8x8 you have say 2500 watts total so the same applies here 2500x3.4=8500 btu so say 1 ton will be needed for the most part.
 
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