4.5 
689 *The Angi rating for Window And Door Contracting companies in Johnstown, CO is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Window And Door Contracting needs.
*The HomeAdvisor rating for Window And Door Contracting companies in Johnstown, CO is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Window And Door Contracting needs.
Last update on March 05, 2026
Serving Johnstown, CO and surrounding areas
Approved
In business since 1986
Free estimates
Emergency services offered
"Technician also corrected long standing problem with an original door jamb for the entry door"
+15
Serving Johnstown, CO and surrounding areas
Approved
Super Service Award Winner
In business since 2019
Free estimates
Warranties offered
"They were able to find clips to replace my old window clips. And the price was worth having them install."
+20
Serving Johnstown, CO and surrounding areas
Approved
In business since 2017
Free estimates
Warranties offered
"The project went smooth from start to finish. They started exactly when expected and ended when as they said. They did a good clean job. Our house looks so good now. The rates were very competitive and I believe we got a great deal! I am getting compliments all the time. It was money well spent. You can't go wrong with this company !"
+95
Serving Johnstown, CO and surrounding areas
Approved (Corporate)
Super Service Award Winner
In business since 1992
Free estimates
Warranties offered
"I got some windows from Power and LOVE their work so we ordered 2 doors too. The doors are amazing and they were very professional and courteous during the install. I continue to be impressed by Power and will continue to reach out to them as needs come up."
+24
Serving Johnstown, CO and surrounding areas
Approved
In business since 2018
Free estimates
Customers say: Quick response
"I cannot praise this companies work enough. They literally check all the boxes when it comes to a home renovation professional. Clear and timely communication, started and completed the job when promised, very neat and tidy, and did work above and beyond expectations. I would highly recommend them for a egress window install any other services they may provide. As a bonus, their work added $10k to our homes value."
+10
Serving Johnstown, CO and surrounding areas
Approved
Super Service Award Winner
In business since 2016
Free estimates
Emergency services offered
"Joseph Donabella was the handyman that came and fixed my front door. I have not been able to use my deadbolt for years. Joe took the door off and refit it properly so I can now use my deadbolt again. My door knob lock was also sticking. After he checked it he said I needed to replace the door knob due to its age and suggested I go to a hardware store so I can get the new knob and get it rekeyed to my current key. He was very pleasant and professional. I would work with him again."
+18
Serving Johnstown, CO and surrounding areas
Approved
In business since 2004
Emergency services offered
Warranties offered
"Replaced windows and doors. Great service, very accommodating, went above and beyond."
+52
Serving Johnstown, CO and surrounding areas
Approved
In business since 2014
Free estimates
Emergency services offered
"Keith did an amazing job. Excellent communication, great work, prompt and just all around great guy. I strongly recommend him for any of your projects!"
+15
Serving Johnstown, CO and surrounding areas
Approved (Corporate)
In business since 2000
Free estimates
Credit card accepted
"Ryan was knowledgeable, professional and detail oriented throughout the process. This giving me confidence in the quality of products being offered. I would recommend Champion for your window and door replacement needs."
Serving Johnstown, CO and surrounding areas
Approved
In business since 2015
Free estimates
Warranties offered
"It could not have gone better. Josh was very easy to work with and the installers were top notch and cleaned up everything each day and after completing job. We have had many comments how nice the house looks."
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