Why do they mount these things on the roof?

By
Home Inspector with Superior Home Inspections - Greater Albuquerque Area InterNACHI 10041206

Evaporative Coolers, or Swamp Coolers as they are called here are on a very large percentage of homes here. They are not being used right now, most of them have been shut down, drained, covered in canvas and winterized. But during the summertime, they are used for cooling homes. They are found predominately in the southwestern area of the country. They work pretty good, they only use about 10% of the energy that refrigerated air costs, so they are effective, but leads to my question: Why do they mount them on the roof??

They almost always leak at one point or another, and they are harder to service when they are up there. Kind of a out of sight, out of mind kinda thing I think. I can't tell you how many of them I have seen that have ruined the roofs surface! They don't need to be mounted on the roof, beside the building or even mounted to the side of the building is much, much better. I know, this post is probably not timely with everybody using their heaters right now, but I still run into them during inspections and it makes me shake my head when I see this. When they leak, it's like it's raining 24/7! 

 

In these pics, you can see what it's done to this roof, and the plenum chamber below it gets the treatment too.

Here it is leaking into the attic. This is not an isolated case, most of them end up doing this at some point or another. How do you prevent this from happening?

Don't mount them on the roof!! I am ready to hear the arguments for installing them up on the roof.... There are none! They don't work any better on the roof than they do on the ground.

So a ruined roof, there goes the savings by using an evaporative cooler over a refrigerated unit. SMH

Contractors, stop mounting these things on the roof!

 

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Posted by

 
 
Fred Hernden 

 

 Superior Home Inspections

 

  505-588-9559

 

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 Albuquerque, Rio Rancho New Mexico and surrounding areas...

 

“My mission is to provide superior quality home inspections to my clients to ensure peace of mind so they can confidently make the largest investment they may ever make!"

                   

Please visit my website at: www.SuperiorHomeInsp.com for details!

                 

 

                                     

 

 

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Tags:
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Rainmaker
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Jay Markanich
Jay Markanich Real Estate Inspections, LLC - Bristow, VA
Home Inspector - servicing all Northern Virginia

Of course I have no experience out here with swamp coolers.  But long ago when my son was living in a house off campus at BYU they had one on the roof, and your title was my question to him!

I said, "It will leak!"

Nov 16, 2015 02:11 AM #1
Rainmaker
568,100
Fred Hernden, CMI
Superior Home Inspections - Greater Albuquerque Area - Albuquerque, NM
Albuquerque area Master Inspector

Jay - And so it shall.... will... does... inevitable! It wouldn't be so bad but they take out the roof covering as well... poof goes the savings!

Nov 16, 2015 11:12 PM #2
Rainmaker
2,762,040
Laura Cerrano
Feng Shui Manhattan Long Island - Locust Valley, NY
Certified Feng Shui Expert, Speaker & Researcher

I don't know as much about the mechanics before reading this, so thank you for that.

Dec 02, 2015 03:43 PM #3
Rainmaker
2,762,040
Laura Cerrano
Feng Shui Manhattan Long Island - Locust Valley, NY
Certified Feng Shui Expert, Speaker & Researcher

The savings going away is not an unusual thing. Good luck to everyone and good luck to Fred Hernden

Dec 02, 2015 03:44 PM #4
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Rainmaker
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Fred Hernden, CMI

Albuquerque area Master Inspector
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