Business Details
50+ Years
experience
Your Trusted Source for Energy-Efficient Windows and Doors in Buffalo, NY
Founded in 1963, The Energy King Windows & Doors has dedicated over five decades to delivering high-quality, energy-efficient window and door solutions. Our product lineup includes Energy Star-certified windows, vinyl window series, and a comprehensive entrance door collection featuring fiberglass, wood, and steel options. We prioritize advanced technology, such as Super Spacer energy-efficient insulated glass and foamed profiles, to enhance thermal performance and durability. Partnering with industry leaders like ThermaTru Doors, we offer customizable solutions tailored to homeowners' aesthetic and functional needs.Our commitment to innovation is reflected in our Platinum Pro Series, which includes double-hung, awning, fixed light, hopper, and architectural-shaped windows designed to elevate home value and comfort. With a network of knowledgeable dealers, we ensure personalized support from selection to installation. Our limited lifetime warranties and focus on customer satisfaction underscore our dedication to reliability and trustworthiness in every project.
Services
Double Hung Windows
Awning Windows
Fixed Light Windows
Hopper Windows
Architectural Shapes
Garden Windows
Entry Doors
Sliding Patio Doors
Custom Designs
Dealer Support
Details
- Year established: 1963
Highlights and features
- We offer over 59 years of experience in energy-efficient window and door solutions.
- Our products are Energy Star certified for superior thermal performance.
- We partner with industry leaders like ThermaTru Doors for premium entry solutions.
- Our Platinum Pro Series includes customizable architectural shapes and garden windows.
- We provide a network of knowledgeable dealers for personalized support.
Services
Double Hung Windows
Double hung windows feature two vertically sliding sashes for versatile ventilation and easy cleaning. Our Pro100, Pro150, and Pro200 models combine durability with energy efficiency through foamed profiles and Super Spacer technology. Ideal for traditional homes seeking modern performance.
Sliding Patio Doors
Sliding patio doors provide seamless indoor-outdoor living with durable, energy-efficient designs. Available in multiple sizes, including three-panel options for large openings. Enhanced with double-strength glass and low-maintenance materials for long-term reliability in residential settings.
Custom Entry Doors
Custom entry doors include fiberglass, wood, and steel options tailored to homeowner preferences. Partnered with ThermaTru Doors, we offer secure, weather-resistant designs that enhance curb appeal while maintaining energy efficiency and long-term durability for residential properties.
Architectural Shapes
Architectural shape windows add unique design elements to homes with 25 available configurations. These fixed-light units maximize natural light and visual interest while maintaining thermal performance through advanced insulated glass solutions for modern and traditional architecture.
Energy Star Products
Energy Star-certified products meet strict efficiency guidelines for reduced energy consumption. Our windows and doors incorporate double-strength glass, foamed profiles, and advanced sealing technologies to lower utility costs while maintaining comfort and sustainability for environmentally conscious homeowners.
Questions
What types of windows does Energy King offer?
We offer double hung, awning, fixed light, hopper, architectural shapes, and garden windows in various series including Pro100, Pro150, and Pro200 models.
Are Energy King windows energy-efficient?
Yes, our windows are Energy Star certified with features like Super Spacer insulated glass and foamed profiles to improve thermal performance and reduce energy costs.
How can I find a local dealer?
Fill out our online form to connect with a knowledgeable local dealer who can provide quotes, product information, and installation support for your specific needs.
What warranty options exist?
Our Platinum Pro Series includes a standard glass breakage warranty. Flex Screen products feature a Limited Lifetime Warranty requiring registration within 30 days of purchase.
Do you offer custom door solutions?
Yes, we provide custom entry doors in fiberglass, wood, and steel materials with partnerships like ThermaTru Doors to match various architectural styles and security requirements.
Reviews (3)
Amanda Joyce
Feb 03, 2022
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Energy King Windows & Doors recently replaced the windows and doors in my 100+ year old house, and what a difference! Dave really took the time to help us pick the right windows and doors. There are no more drafts and house holds the heat much better. The windows look outstanding and have really given the old farmhouse a more modern look. Thank you for everything! We are so thrilled the whole experience.
Charles Alexander
Mar 24, 2019
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My family business stood by Energy King, formerly sellmore, for what was prolly more than 30 years. When their branch closed near us we were forced to buy elsewhere and that was ok but to now not honor our customers warranty is wrong.
Ariel Venesky
Dec 13, 2018
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Quality windows and we've had great customer service experience! In the 1000's of windows we've put in we've only had to contact them about replacing two!