Tyler and Carter were very friendly and professional. Super knowledgeable as well! If you ever need windows done, go to them, you will not regret it!
Window installation service
Energy-Efficient Window Installation in Greenville, SC
Brilliant Windows installs energy-efficient windows for homeowners across Greenville and the surrounding Upstate SC area.
Expert Energy-Efficient Window Installation in Greenville, SC
Energy-efficient window installation in Greenville means more than swapping out old glass. Upstate South Carolina runs hot in summer and cold enough in winter to expose weak insulation fast. Homes across Greenville, Greer, Spartanburg, and Easley deal with strong sun, humidity, and temperature swings that push older windows hard. The right installation accounts for all of it, matching glass performance ratings to your home's actual exposure and orientation. At Brilliant Windows, we handle everything in-house, from the first appointment to the final install. There is no handoff to a subcontractor and no gap in accountability. You always know who to call. We measure carefully, prep each opening correctly, and seal every frame so the window performs the way it should from day one. If you are a homeowner in Greenville, Five Forks, Travelers Rest, Clemson, or Anderson looking to cut heat gain and lower cooling costs, this is where to start.
What's included
- Reduced heat gain through glass keeps rooms cooler during Greenville's long, hot summers
- Better insulation at the frame and seal cuts drafts during Upstate SC winters
- Lower strain on your HVAC system, which reduces energy use over time
- Consistent indoor temperatures room to room, not just near the thermostat
- Single point of accountability from first visit to finished install, no subcontractors
In-House Installation
Energy-Efficient Windows
Customer-First Approach
Full-Service Process
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FAQ
Energy-Efficient Window Installation FAQ
Common questions about energy-efficient window installation in Greenville, SC.
Yes, it is worth it for most Greenville homeowners. Upstate South Carolina summers push significant solar heat through older glass, and properly rated windows reduce that load on your cooling system.
A window suited for Greenville needs a low Solar Heat Gain Coefficient to limit summer heat and a low U-Factor for winter insulation. Both ratings together address the hot summers and cold winters common across Upstate SC.
Yes, Brilliant Windows serves Greenville, Spartanburg, Anderson, Greer, Easley, Travelers Rest, Five Forks, and Clemson. You can call us to schedule an appointment for any of those areas.
Brilliant Windows handles every step in-house, from the first appointment to the final install. There are no subcontractors, so you always have one company to contact if anything comes up.
Yes, multi-pane energy-efficient windows also reduce outside noise compared to older single-pane glass. Homeowners in Greer and Five Forks often notice a quieter interior after installation.
A Brilliant Windows team member will measure each opening, prep the frame area, and install and seal the new window before leaving. Everything is handled by our own crew, not a third party.
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What Greenville County customers say.
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Phone
(864) 381-8702Hours
- Monday 9:00 AM - 5:00 PM
- Tuesday 9:00 AM - 5:00 PM
- Wednesday 9:00 AM - 5:00 PM
- Thursday 9:00 AM - 5:00 PM
- Friday 9:00 AM - 5:00 PM
- Saturday 9:00 AM - 10:00 AM
- Sunday Closed