4.5 
147 *The Angi rating for Window And Door Contracting companies in Conowingo, MD 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 Conowingo, MD 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 03, 2026
Serving Conowingo, MD and surrounding areas
Approved
In business since 2004
Free estimates
Emergency services offered
"Great windows, great price and Nick is wonderful! I am very satisfied with our choice!"
+78
Serving Conowingo, MD and surrounding areas
Approved (Corporate)
Super Service Award Winner
In business since 1992
Free estimates
Warranties offered
"Was in desperate need of getting my back door replaced. Saw a neighbor getting his windows replaced and I asked him for the contact information. Best decision EVER! I got the door and windows replaced for a GREAT price! They just installed everything. EXCELLENT work. Friendly and respectful staff. Oh, did I mention GREAT WORK... Definitely recommend Power Home Remodeling."
+31
Serving Conowingo, MD and surrounding areas
Approved
In business since 2017
Free estimates
Warranties offered
"Daryl and Nick were true professionals and friendly. They showed up on time, worked efficiently and cleaned up as they went. They installed our front door, sidelites, a transom and a storm door. Everything looks amazing!! I highly recommend this company!"
+89
Serving Conowingo, MD and surrounding areas
Approved (Corporate)
In business since 1992
Free estimates
Emergency services offered
"Professional, efficient, good quality sliding glass doors, and no complaints in the month since doors were installed! Who could ask for more?"
+9
Serving Conowingo, MD and surrounding areas
Approved
In business since 1999
Free estimates
Credit card accepted
"The crew that was sent over to do the job were very professional. I went out to watch them work a couple of times and that's just what they did. No one was on their phones and there was no fooling around. They had a job to do and that was exactly what they were doing. I would recommend Long Roofing to anyone who needs to have a roof replaced. Natalie G. in Nashua, N.H."
Serving Conowingo, MD and surrounding areas
Approved (Corporate)
In business since 2000
Free estimates
Warranties offered
"Installed 22 new windows, 2 entry doors, and new sliding glass door. Outstanding service, price, and installation. Highly recommend."
+55
Serving Conowingo, MD and surrounding areas
Approved
In business since 2002
Free estimates
Warranties offered
"They were professional and installed 6 windows in about 6 hours. One window was cracked upon arrival. It was replaced within a month."
Serving Conowingo, MD and surrounding areas
Approved
Super Service Award Winner
In business since 1995
Free estimates
Credit card accepted
"Always Waterproofing did a fabulous job on installing an egress window in my basement. They ran into an unforeseen pipe and ended up moving it and doing additional drywall work. I would highly recommend them for any projects. Professional, fair pricing and communicative."
Serving Conowingo, MD and surrounding areas
Approved (Corporate)
In business since 1991
Credit card accepted
Offers commercial services
"My name is Jason Haslbeck and I live in Chester County, PA. My wife and I have used Castle Windows for the replacement of all our windows, a new front door and now a new custom French Door slider (three separate project installations). Our sales representative, Roberto Munoz, has been an absolute pleasure to work with for all of our installations. Their customer service is excellent and their products are the best in the industry. Their lifetime warranty is legitimate and very valuable. Due to the Corona Virus, our latest project design consultation (French Doors) was done over the telephone using a ZOOM application. Very convenient technology and the presentation was very professional. On a personal note, our sales representative (Roberto) is a very faith based, honest human being and we have never been happier with a contractor or sales representative. I would highly recommend asking for Roberto Munoz as your sales representative as he is very knowledgeable, professional and courteous. Overall, from my experiences, Castle Windows is the best window and door company in the region. We did extensive research in comparing them to Pella, Anderson and other companies and Castle's product quality, installation and pricing was the best value by far. I would normally never take time out of my day to write a review, but my experience with Castle Windows (and Roberto Munoz) is one that deserves recognition. Jason & Hope Haslbeck Chester County, PA"
+13
Serving Conowingo, MD and surrounding areas
Approved (Corporate)
In business since 2007
Credit card accepted
Offers commercial services
"$7000 for a simple door and $3000 per window? On an old mobile home? No thank you !!!!!"
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