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Window film for heat mitigation. Worth it?

Posted on 6/13/19 at 1:12 pm
Posted by tigahbruh
Louisiana
Member since Jun 2014
2857 posts
Posted on 6/13/19 at 1:12 pm
I have a few windows in front that are thin single pane. They are nice looking windows, which is why I haven't replaced with better insulated ones.

Heat gets through in the summer time, and I'm trying to ease conditions on my a/c.
I keep the shades down in summer, but heat still gets through.
Noticed rolls of window film you can buy at HD for about $20/window that claim to reduce 80% of heat coming in.
Is this product worth it in terms of value for potential energy saved?
Also, will it look trashy from the outside?
Posted by bbvdd
Memphis, TN
Member since Jun 2009
24928 posts
Posted on 6/13/19 at 1:27 pm to
I have it on some of my upstairs windows.

It definitely doesn't cut it by 80% but it does help.

ETA: unless you know it's on there you probably couldn't tell that it's there. That being said, these are upstairs windows.
This post was edited on 6/13/19 at 1:28 pm
Posted by BottomlandBrew
Member since Aug 2010
27053 posts
Posted on 6/13/19 at 2:02 pm to
quote:

Is this product worth it in terms of value for potential energy saved?


Possibly. You'd also need to see how well your windows seal up around the edge.

quote:

Also, will it look trashy from the outside?


If you DIY it, then yeah, it'll look trashy. It's one of those things that looks easy to do, but it takes real skill to make look good.
Posted by cberni1
Metry
Member since Jun 2012
528 posts
Posted on 6/13/19 at 3:02 pm to
My front door which is a 3/4 lite 4 pane glass door faces West and gets every bit of the evening sun. I put the semi reflective tint on the glass. I wouldn't say it's 80% better as you mentioned they were stating, but it does help reduce the glare and heat, I find. Prior to the tint, i could definitely tell my living room was warmer but again, don't expect miracles.

To comment from another poster about putting it on, it's definitely not as easy as they make it seem on the box but it's doable. I'd suggest getting a second hand as it makes it a little easier.
Posted by ItNeverRains
37069
Member since Oct 2007
25382 posts
Posted on 6/13/19 at 3:29 pm to
quote:

I have a few windows in front that are thin single pane. They are nice looking windows


Does not compute. I'm sure they make a low E 366 double hung with the same grill/light pattern for desired aesthetics
Posted by LSU5508
New Orleans
Member since Nov 2007
3613 posts
Posted on 6/13/19 at 4:42 pm to
3m has some really good products that do well. I have applied some on a few commercial rentals and it did wonders on old single pane glass. Isn't cheap though. I did opt for the clear due to code restrictions downtown which limited my options.
Posted by Bucktail1
Member since Feb 2015
3184 posts
Posted on 6/13/19 at 5:44 pm to
Also be aware that it will void all warranties on your windows
Posted by real turf fan
East Tennessee
Member since Dec 2016
8583 posts
Posted on 6/13/19 at 5:54 pm to
I have chosen not to use the film because it's still there in winter when I may want the sunlight to come in full strength.

Instead, I've bought shade cloth. I sew so I could custom cut and make interior shades for summer and take them down for winter.

Sources of shade cloth: I found it in New Orleans and made shades for our car that I put up with the plastic suction cups and we drove across the southwest in summer with the AC on low and we were very comfortable.
More recently I've bought it from nursery supply stores to cover part of the windows in our passive solar porch. I've also ordered raw materials from Sailrite up in Indiana and made very good looking blinds for large south facing windows. They're in their fifth year and still look brand new.
Posted by ItzMe1972
Member since Dec 2013
9764 posts
Posted on 6/13/19 at 6:34 pm to
What about solar screens?
Posted by SuddenJerk
Member since Oct 2017
727 posts
Posted on 6/13/19 at 7:47 pm to
I tried that stuff at my old house and didn’t find it helped much. I would suggest getting ceramic window tint like for your car. That stuff does make a huge difference. You could get like an 80% tint and it really wouldn’t look dark at all. The lower the number the darker the tint.
Posted by philabuck
NE Ohio
Member since Sep 2008
10378 posts
Posted on 6/13/19 at 8:12 pm to
I've used the Gila film and I can notice a fairly large difference on sliding glass doors.

quote:

Also, will it look trashy from the outside?



The added benefit is that during the day it creates a mirror effect so you can't see inside.

That being said, buy the cutting kit, a squeegee, and a lot of the application spray and get an extra set of hands.

If you have no patience skip this project
This post was edited on 6/13/19 at 8:13 pm
Posted by Hammertime
Will trade dowsing rod for titties
Member since Jan 2012
43030 posts
Posted on 6/13/19 at 10:41 pm to
It is a bitch to get looking right. I did my back sunroom, and gave up after that. Brought the rest of the shite back to the store
Posted by keakar
Member since Jan 2017
29860 posts
Posted on 6/13/19 at 10:53 pm to
quote:

Window film for heat mitigation. Worth it?


yes /thread

you will notice the difference in seconds and then you will see a difference in the electric bill, you not going steak shopping but its enough of a small bit of change to notice
Posted by tigahbruh
Louisiana
Member since Jun 2014
2857 posts
Posted on 6/14/19 at 8:50 pm to
quote:

Does not compute. I'm sure they make a low E 366 double hung with the same grill/light pattern for desired aesthetics

I've no doubt they can be replaced with something that looks as good or better. This project is not currently the highest on my budget priority, but would like to at least mitigate the heat issue. And I don't want to replace with less aesthetic product.
Posted by tigahbruh
Louisiana
Member since Jun 2014
2857 posts
Posted on 6/14/19 at 8:53 pm to
quote:

yes /thread 

you will notice the difference in seconds and then you will see a difference in the electric bill, you not going steak shopping but its enough of a small bit of change to notice

Thanks. Gonna give it a shot. If if doesnt come out as good as I'd like, I may try another option mentioned on here.
Appreciate it, gentlemen.
Posted by Cajun367
S. Louisiana
Member since Oct 2017
1927 posts
Posted on 6/16/19 at 1:08 pm to
I must be a unicorn, I found it to be much easier than expected. just use plenty of application spray and it's really not difficult. what's a PIA is having to do a by of squares if your windows are divided. but get a case of beer and take your time.
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