Questions tagged [evaporative-cooling]

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2answers
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What is the cause for new swamp cooler's fan stopping after 15 seconds

I had a brand new Breezair LXH 170 installed last week. Four days later, it is failing. The fan starts, then about 15 seconds in, it stops. While I await service, does anyone have insight into what ...
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1answer
51 views

Custom HVAC control

I currently have a Nest controlling my LP furnace. I'm getting an evaporative cooler installed and I'd like to also control it with my Nest. This post gave me a good starting point, but I'd like to ...
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0answers
15 views

Trane HVAC in horizontal position - why does evaporator throw condensation?

I appreciate assistance from anyone who has had or understands the problem. I have a Trane HVAC system in a horizontal "left" flow configuration in the attic. Ambient temperature is about 95 ...
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2answers
67 views

Can I pull a common wire off an evaporative cooler transformer relay?

I have a Nest thermostat currently controlling a LP furnace. The old thermostat didn't have a common wire connected, but there was a an extra wire in the bundle and a common terminal on the furnace ...
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0answers
36 views

Can I use an mcp44 swamp cooler purge pump as my main pump

I have a Mastercool mcp44 window evaporative cooler, which uses an ESK 5500 Model number 72402 pump. I've looked all around the internet and have found no useful specs on that pump (such as flow rate ...
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1answer
202 views

how do you remove a swamp cooler pillow block bearing that's stuck/seized/rusted on?

One side of my swamp cooler isn't spinning right, it's like it's spinning the "whole thing" instead of just the shaft inside. I presume that it's a "seized bearing" on that side. But in trying to ...
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5answers
203 views

Can I cool my south facing wall by spraying it with water?

I've been researching options for cooling a south facing exterior wall on my house. One thing I've been thinking about is what if I just spray the wall with water and let it evaporate? The wall is ...
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1answer
71 views

How can I keep a hanging cloth hydrated?

As the summers are approaching, it kinda gets hot in my room. I make it cooler by dipping a bed-sheet in water and then hanging it on the curtain rod next to the window. This cools down the air that ...
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1answer
184 views

swamp cooler high fan is same speed as low

If I turn it on to high speed, my swamp cooler "turns" but it's the same speed as if it were on "normal." What gives? Other clues: when it's on "high" it has very short lived bursts where it blows a ...
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1answer
115 views

Can a portable swamp cooler be hooked into a central air duct and recirculate?

I know that normally, swamp coolers take in external hot dry air, and put it out as cool wet air. I live in the hot So. Cal. desert area. A small swamp cooler is cheap to buy, but won't do my whole ...
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0answers
2k views

How to connect Nest thermostat to Evaporative Cooler (Swamp Cooler)

I have reviewed the post here, Controlling 110v swamp cooler using Nest thermostat It discusses how to connect an evaporative cooler using 110v to a standard thermostat. I am looking for a specific ...
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1answer
447 views

Connecting the motor to 12/2 wire and a 6 position dial in an evaporative swamp cooler

I'm connecting a new evaporation cooler to an existing 6 position wall dial using the existing wiring. The idiot owner who wired the original cooler put in 12/2 Romex, intead of 12/3 for the motor (...
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2answers
606 views

What prevents cold air from coming in through evaporative cooler

I have an evaporative cooler mounted to my roof. The air comes straight down through a large vent in my living room. During winter, I wondered if cold air could come down through that large vent, but ...
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1answer
1k views

Water leaking out the back of a Honeywell Evaporative cooler

I have a portable Honeywell Evaporative Cooler that I tried to take apart and clean today. I unscrewed the backing piece that covers the cardboard media where the water soaks, and took the whole thing ...
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1answer
933 views

How do I know when evaporative/swamp cooler pads should be replaced?

This is my first experience with an evaporative cooler because we just moved into our house. I have no idea how long these pads have been it he cooler. We never noticed any smells come from the cooler ...
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1answer
561 views

Why don't swamp coolers push air instead of pulling air?

Why don't swamp coolers push air instead of pulling air? If they pushed air, the fan/motor wouldn't get wet! I'm designing my own DC, battery-powered, off-grid, swamp cooler for an RV. I'd like to ...
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1answer
869 views

Is it OK to use an oversized swamp/evaporative cooler?

Are there any disadvantages to getting, say, a swamp cooler that is twice the CFM you "officially should need."? Sometimes when I buy them used I can't line up the sizes quite right.
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3answers
21k views

Controlling 110v swamp cooler using Nest thermostat

I currently have an HVAC system that is connected to a Nest thermostat (2nd generation) and I'm planning to use the same Nest thermostat to control a 110 swamp cooler that is currently not connected. ...
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1answer
6k views

how to fix swamp cooler whose fan won't turn on

How do I debug/diagnose/fix my swamp cooler fan, that won't turn on seemingly? The pump runs OK but the motor, nothing.
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1answer
558 views

Swamp cooler “feet” on roof

My swamp cooler has both of its front "legs" inside the pictured boxes, partially filled with tar. The tar is nowhere near the top, and water seems to just sit in the boxes after any rainfall. Is ...
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1answer
491 views

How to seal swamp cooler ducting into house siding?

My swamp cooler enters the house horizontally through an exterior wall. What is the correct way to seal this interface to the wood siding? Should I just use an exterior caulking around the edges?
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2answers
2k views

Combine evaporative cooling with ventilation to increase efficiency of temperature equalization?

We live in San Francisco, which is not known for high temperatures. But our apartment is on the third floor and we get a ton of direct sunlight through our 5'x8' windows. We open the windows enough to ...
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1answer
1k views

On the number and shape of my swamp cooler motor cord terminals

As I understand it, most three prong electrical chords are have a hot wire, ground, and neutral terminals (for extra precautions). My swamp cooler motor cord has four prongs as shown here: What is ...
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1answer
3k views

Why is there a white powdery deposit in my swamp cooler?

I popped open one of my swamp coolers and in it there is a crusty white "dust" deposit everywhere, covering everything inside it. It also happens to be the unit where I haven't changed the filters in ...
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2answers
917 views

Acceptable to install whole-house evaporative cooler with only a single supply vent?

My new house has a 20+ year old evaporative cooler on top of the roof. The cooler is ancient and rusted, difficult to service due to the location, and the forced air heating ductwork it feeds into is ...