Business Details
Energy-Efficient Windows & Doors in Buffalo, NY
Energy King Windows & Doors has been a trusted name in the industry for over 59 years, delivering quality products and superior service to homeowners. Our comprehensive product line includes Energy Star certified windows and doors designed to enhance both the aesthetic appeal and energy efficiency of any home. From the Platinum Pro Series windows featuring double-strength glass and advanced insulation technology to our selection of entrance doors and sliding patio doors, we prioritize durability, functionality, and style. Our partnership with leading brands like ThermaTru Doors ensures access to premium fiberglass, wood, and steel entryways that combine security with customization options. With a nationwide dealer network, we provide personalized support to help customers select the perfect solutions for their homes. Our commitment to innovation is evident in features like Super Spacer technology, energy-efficient foamed profiles, and architectural shapes available in 25 designs.We stand behind our products with comprehensive warranties, including a glass breakage warranty on our Platinum Pro Series. Our user-friendly online quotation and ordering system simplifies the process for dealers, while our dedicated customer service team offers expert guidance. Whether you need double hungs, awning windows, fixed light models, or garden windows, our diverse offerings cater to both modern and traditional architectural styles. As an industry leader, we continuously expand our product range to meet evolving customer needs, recently adding new sizes for three-panel and two-light sliding patio doors. Our focus remains on delivering value through energy-efficient solutions that improve home comfort and increase property value.
Services
Double Hung Windows
Awning Windows
Fixed Light Windows
Hopper Windows
Architectural Shapes
Garden Windows
Entrance Doors
Sliding Patio Doors
Fiberglass Doors
Wood Doors
Highlights and features
- We offer over 59 years of experience in energy-efficient window and door manufacturing.
- Our products feature advanced technologies like Super Spacer and foamed profiles for superior insulation.
- We partner with industry leaders like ThermaTru Doors for premium entryway solutions.
- Our nationwide dealer network provides personalized support and expert guidance.
- We provide comprehensive warranties including glass breakage protection on Platinum Pro Series.
Associations and certifications
- Energy Star Certified
Services
Double Hung Windows
Our double hung windows feature energy-efficient designs with tilt-in sashes for easy cleaning. Available in Pro100, Pro150, and Pro200 series models, these windows offer enhanced insulation through foamed profiles and double-strength glass. The durable construction ensures long-lasting performance while maintaining traditional aesthetics.
Sliding Patio Doors
Energy King's sliding patio doors combine functionality with modern design. Available in two-light and three-panel configurations, these doors provide easy access to outdoor spaces while maximizing natural light. The fully assembled units feature durable materials and energy-efficient insulation for year-round comfort and security.
Fiberglass Doors
Our fiberglass entrance doors merge security with aesthetic appeal. Engineered with advanced technology, these doors resist weathering, maintain structural integrity, and offer customizable finishes that mimic real wood. The energy-efficient design includes reinforced frames and multi-point locking systems for enhanced home security and thermal performance.
Architectural Shapes
Energy King offers 25 different architectural window shapes to complement unique home designs. These specialty windows enhance curb appeal while maintaining energy efficiency through insulated glass packages and advanced sealing technology. Available in various configurations to suit both contemporary and traditional architectural styles.
Garden Windows
Our garden windows feature three-dimensional designs that extend outward from the home, creating space for plants and natural light. The energy-efficient construction includes double-glazed glass and insulated frames to maintain indoor comfort while adding functional beauty to kitchens and living areas.
Questions
What types of windows do you offer?
We offer double hung, awning, fixed light, hopper, architectural shapes, and garden windows in various series including Pro100, Pro150, and Pro200 models.
Are your products energy efficient?
Yes, all our windows are Energy Star certified with features like Super Spacer technology and foamed profiles to maximize energy efficiency and reduce utility costs.
Do you offer different door options?
We provide fiberglass, wood, and steel entrance doors, plus sliding patio doors in multiple configurations including two-light and three-panel options.
How can I find a local dealer?
Fill out our online form and a local authorized dealer will contact you to discuss product selection, pricing, and installation options.
What warranties are available?
We offer a glass breakage warranty on Platinum Pro Series windows. Sliding patio doors include Flex Screen's Limited Lifetime Warranty requiring registration within 30 days.
Can I customize window sizes?
Yes, we've expanded sliding patio door sizes to include 6'0" x 6'8", 8'0" x 6'8", and additional configurations to meet various architectural needs.
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!
