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Old 02-05-2015, 10:33 AM   #29
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Can someone explain this to me? I would think exactly the opposite: LIGHT colored shades would prevent heat buildup better than dark.

A black (or dark colored) shade mounted on the front of the coach, outside the windshield, sitting in the sun is going to get VERY hot. And since the windshield is single-pane, it isn't very good at preventing the transfer of that heat from the dark, hot shade into the inside of the coach.

A white shade mounted on the front of the coach shouldn't get as hot... and therefore wouldn't transfer as much heat into the RV.

I'd be interested to know what Roger's explanation was as to why the dark is better than white/light shade fabric.
Here's my theory:

The reason that white shades are cooler to the touch is that they absorb less heat. The flip side of this is that they allow more heat to pass through them and into your coach. When the UV light strikes your interior, it produces heat. The dark shades absorb more UV and pass less, in the process becoming warmer than the light shades. The UV (heat) that is absorbed by the dark shade means that much less heat passes into the coach through the window, striking your interior and becoming heat inside your coach.

Because heat rises, most of the extra heat absorbed by the dark fabric radiates up and away from your coach, not inside. This is even more true if there is a breeze to carry heat away from the fabric.

So the fabric acts as a deflecting device, directing heat up and away instead of into your coach. The dark fabric does a better job of this than light fabric.
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Old 02-05-2015, 02:56 PM   #30
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We are very happy with our Magneshades. The heavier shades, black or brown, are a heavy material, making them somewhat tricky to install when they are cold. We have found placing them in the sun, prior to installation makes the job much easier.


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Old 02-05-2015, 03:26 PM   #31
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Originally Posted by MRUSA14 View Post
Here's my theory:

The reason that white shades are cooler to the touch is that they absorb less heat. The flip side of this is that they allow more heat to pass through them and into your coach. When the UV light strikes your interior, it produces heat. The dark shades absorb more UV and pass less, in the process becoming warmer than the light shades. The UV (heat) that is absorbed by the dark shade means that much less heat passes into the coach through the window, striking your interior and becoming heat inside your coach.

Because heat rises, most of the extra heat absorbed by the dark fabric radiates up and away from your coach, not inside. This is even more true if there is a breeze to carry heat away from the fabric.

So the fabric acts as a deflecting device, directing heat up and away instead of into your coach. The dark fabric does a better job of this than light fabric.
Thanks, Marc and Jill! That's the best explanation I've heard yet! I had originally been wondering if it was just a perception issue... since the white/light colored screens probably make it seem brighter in the RV, and thus, psychologically, seem warmer. But the fact that the darker fabric absorbs more of the infrared light and keeps it outside the glass would be a better explanation.

Could be this "mystery" is solved!
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Old 02-06-2015, 04:06 PM   #32
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Placed my order at Houston RV Show today. Purchased front, drivers window and door window. Rodger is manning the booth at the show.
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Old 02-06-2015, 04:22 PM   #33
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Two questions for owners.
1. How has the printed pictures held up over the years?
2. At night with interior lights on, can interior of RV be seen from the outside?
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Old 02-06-2015, 06:26 PM   #34
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Two questions for owners.

1. How has the printed pictures held up over the years?

2. At night with interior lights on, can interior of RV be seen from the outside?

Don't know about pictures.
Yes, interior can be seen at night from outside so still necessary to drop the shade.
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Old 02-07-2015, 08:10 AM   #35
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We have MCD shades in the MH with black day shades and white night shades. The day shades do a pretty good job keeping the heat out... just wondering if the cost of the magneshade is warranted when you have black MCD shades inside.
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Old 02-07-2015, 08:17 AM   #36
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Let me guess...you are a Falcons fan?
??? Absolutely NOT! New Orleans Saints all the way ... Who DAT! The front plate is Alabama/LSU - House divided. And our son graduated from Mississippi State and daughter from West Florida .... so we are totally confused!
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Old 02-07-2015, 08:49 AM   #37
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... just wondering if the cost of the magneshade is warranted when you have black MCD shades inside.
We have a similar setup. My usual seating position is in the driver's captains chair (rotated 180 degrees). Without the outside shade and with the day shade down, the sun shining directly into the windshield, there is a lot of heat radiated into the coach. I can feel the temperature difference anytime I get up and walk away from the windshield. The outside shades keep more of the heat outside reducing the workload on the A/C units.
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Old 02-07-2015, 11:50 AM   #38
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We have MCD shades in the MH with black day shades and white night shades. The day shades do a pretty good job keeping the heat out... just wondering if the cost of the magneshade is warranted when you have black MCD shades inside.
It is not even a fair fight to compare any shades on the inside of the glass vs the outside. Not even close.

I have tried 3 configurations:
  1. MCD shades.
  2. MCD shades along with reflective screen mounted on the inside of the glass.
  3. Windshield covers on outside of glass made by a tent and awning fabric outlet in the Rio Grande Valley.

Option 1 was pretty ineffective, especially when the sun was beating down on them. You could feel a significant heat infiltration around the corners. You could also feel more heat in the overhead cabinets up front because the shades didn't fully stop some light heating them up too.

Option 2 made a bit of a difference but no nearly enough to call that a success.

Option 3 was a custom made cover with a grey metallic color which made a SIGNIFICANT improvement over anything else.

As I have said in another thread...I wish I had gone with MagneShade FIRST. My custom shades do a fantastic job and look good. The only thing is that setting them up, especially the windshield one, is sometimes a bit scary. If there is no or only very small drop off in front of the coach, my 8' ladder is not too bad but if I put the coach up on the jacks I'm really getting up on top of it more than I (or my wife) like. In fact, some situations are bad enough that I don't use them when they would be very beneficial.

I'm working on ordering MagneShades and installing them before summer hits.
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Old 02-07-2015, 03:12 PM   #39
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??? Absolutely NOT! New Orleans Saints all the way ... Who DAT! The front plate is Alabama/LSU - House divided. And our son graduated from Mississippi State and daughter from West Florida .... so we are totally confused!
I did guess that. I was being a bit of a wise-guy.
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Old 02-08-2015, 07:12 AM   #40
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I did guess that. I was being a bit of a wise-guy.
I should have seen that coming
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Old 02-08-2015, 08:04 AM   #41
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I was looking at tire covers to purchase and saw the Magne tire covers at the Houston RV show. Roger thought he had some and text me saying he had them and would take to the show the next day if I wanted to pick them up there. I went back and purchased the tire shades and ordered a windshield cover as well. What a nice product and pleasure doing business with a company that the owner answers the phone and likes talking to the customer.
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Old 02-08-2015, 08:19 AM   #42
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We have MCD shades in the MH with black day shades and white night shades. The day shades do a pretty good job keeping the heat out... just wondering if the cost of the magneshade is warranted when you have black MCD shades inside.
Tha Magneshades do a better job of blocking heat than inside MCD screens for the reason that they stop the heat before it gets inside. For a less expensive version you can go with Prompt RV Sunscreens. They are made with the same type of fabric as Magneshades but they cost about half as much. Rather than use magnets, they use a combination of suction cups and clips to hold the shades in position. Like Magneshades, you can install them in minutes without a ladder. I have used them for over ten years and they work very well.
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