4.6 
185 *The Angi rating for Window Service companies in Trevor, WI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Window Service needs.
*The HomeAdvisor rating for Window Service companies in Trevor, WI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Window Service needs.
Last update on April 20, 2026
Serving Trevor, WI and surrounding areas
Approved
In business since 1993
Warranties offered
Small jobs welcome
"Great windows at a fair price and Steve does terrific work. Everything was done meticulously, on time and cleaned up like the job never happened. I won't be calling or recommending anyone else for window replacement."
+39
Serving Trevor, WI and surrounding areas
Approved
In business since 1957
Free estimates
Warranties offered
"We purchased Wasco Windows for our entire house many years ago. We recently had warranty repair on 2 windows. Steve was on time for the appointment and ready to work. He fixed both spring issues right away. He commented that the windows still look great...which I agree with."
+7
Serving Trevor, WI and surrounding areas
Approved
Super Service Award Winner
In business since 1991
Free estimates
Warranties offered
"Excellent. They showed up when advertised, went about their business quietly, did an excellent job of cleaning up, carted all the old windows away, and left us with sparkling clean, high quality new windows. No more windows rattling in the wind to keep us awake. These are not the cheapest windows around but their quality is outstanding."
+7
Serving Trevor, WI and surrounding areas
Approved
Super Service Award Winner
In business since 2017
Free estimates
Small jobs welcome
"Brian and Kurt were great. We had our 30 + year old Anderson windows removed and replaced with new glass. This is much less expensive than a full window replacement, and is possible when the basic window frame is still in good condition. Super happy with the result."
+36
Serving Trevor, WI and surrounding areas
Approved
In business since 2007
Free estimates
Warranties offered
"We had two windows replaced and they look great. We had old, outdated, drafty windows, and now we have beautiful, secure, functional and high quality windows that have kept in the warmth this winter! The windows that we ended up getting have features that we didn't have before and we love it all - the ability to move the screen up and down, easy tilting options to make cleaning the windows so easy, locking mechanisms, etc. The ordering process was easy, and staff were friendly."
+46
Serving Trevor, WI and surrounding areas
Approved
Super Service Award Winner
In business since 1986
Free estimates
Warranties offered
"We love our new front window and siding. It looks like a brand new house."
+22
Serving Trevor, WI and surrounding areas
Approved
Super Service Award Winner
In business since 2001
Free estimates
Warranties offered
"A very thorough job of installation of the windows. The windows look, and feel MUCH better than Our old windows."
+20
Serving Trevor, WI and surrounding areas
Approved (Corporate)
Super Service Award Winner
In business since 1992
Free estimates
Warranties offered
"Window install went well. Main problem was we wanted an additional window installed and this company will only replace windows not install new ones (However small, simple or straightforward the install)."
+24
Serving Trevor, WI and surrounding areas
Approved
Free estimates
Emergency services offered
Small jobs welcome
"Cwynar Home Service repaired and replaced several windows at my office. They were prompt with their service, fairly priced and gave excellent communication along the way. I recommend them for any commercial window or glass needs."
+45
Serving Trevor, WI and surrounding areas
Approved
In business since 2006
Free estimates
Warranties offered
"Met with Alec about 3 windows. He was so enthused and confident about the windows his company sells, we agreed to go with them. Price was good, time out for delivery seemed good. Alec was very easy to work with, explained everything we needed to know. Thanks and can't wait for the windows."
+83
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