ENERGY STAR® Certification Programs
Keystone is a leading recognized Certification Body working to qualify a wide range of products for listing in the ENERGY STAR® program. As one of the first Third Party Certification Bodies recognized by the EPA, Keystone provides experienced, reliable certification services for fenestration and electronics manufacturers, including printers, fax machines, and related imaging equipment.
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NFRC Inspection Agency (IA) Services Program
Keystone is a National Fenestration Rating Council (NFRC) licensed Inspection Agency (IA). The NFRC Certification Program offers fenestration (window, skylight, and door) manufacturers a third party verified, nationally-recognized method for demonstrating product U Factor, Solar Heat Gain Coefficient (SHGC) and other energy performance characteristics.StarGuardTM Energy Performance Certification Programs
Keystone's StarGuardTM Energy Performance Certification Programs qualify imaging equipment products for the ENERGY STAR® Program. Keystone Certifications is a recognized Certification Body (CB).
The inspector was incredibly patient and informative while working with her. She was quick on responses and helped us get our quality assurance program into compliance quickly and efficiently. We look forward to working with her again.
- Commercial Concrete Products
The inspector is very helpful, made the entire process go very smoothly and was a great help getting us up to speed.
- Mullet's Aluminum Products
The inspector was great! We continue to have many questions, and he has always been very patient and kind to answer those questions. He does things the right way but is helpful with our questions and mistakes. He helps us to understand what all of the NFRC changes have been and how we are to move forward in compliance.
- Wolf Windows LLC
Your Sales Manager and Client Coordinator are so kind, they are always ready to help. Thanks.
- GoGlass
I've been working with Keystone for 5-6 years now, and honestly the experience has always been great! The Inspectors are both great to work with, always a pleasure for sure.
- Titoni Window Systems
The whole team consists of very attentive and knowledgeable people. KCI is truly an awesome company to work with.
- AA Impact Garage Door
The inspector has done an amazing job. She has been very helpful, informant, and insightful. Would recommend 100%.
- Sentrigard Metal Systems
The inspector was very nice to work with. She was informative and showed compassion for her job and my company.
- Synergy Windows
Very pleased with service provided, the inspector is very professional and knowledgeable which help us understand all of the requirements.
- Dorplex
The Client Coordinator is amazing. The way she was always available and ready to help with any of my questions (even the stupid ones) is amazing.
- Superb Metals LLC
Because of the trust we have built together and the quality of their work, Keystone continues to be our preferred partner. We have never felt the need to look elsewhere, as this partnership consistently brings confidence, stability, and peace of mind.
- Simpas SA