Low-E Glass Installation
for Commercial Buildings
Improve comfort and reduce energy costs with Low-E glass that blocks heat and UV rays while maintaining clarity.
What Is Low-E Glass?
Low-E glass, short for low-emissivity glass, is a type of energy-efficient glass coated with a microscopically thin metallic layer that reflects heat energy while allowing visible light to pass through. In summer, it reflects solar heat away from the building interior, reducing cooling loads. In winter, it reflects interior heat back into the space, reducing heating demand. The result is a more comfortable interior environment and lower year-round energy costs, with no significant loss of visible light or outward clarity. Stanley Schultze & Co. supplies and installs Low-E glass for commercial properties across Louisville and the Greater Kentucky area.
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Why Low-E Glass Is One of the Smartest Energy Investments a Commercial Building Can Make
Commercial buildings lose and gain a disproportionate amount of energy through their glazed surfaces. Standard clear glass, even in double-pane insulated units, conducts heat relatively freely in both directions, making windows and glazed facades the weakest thermal link in an otherwise insulated building envelope. In Kentucky’s climate, where summers regularly push temperatures above 90 degrees and winters bring sustained cold, this heat transfer translates directly into heating and cooling costs that accumulate every day the building is in use.
Low-E glass addresses this problem at the source. The low-emissivity coating applied to the glass surface dramatically reduces the amount of radiant heat that passes through the pane, without meaningfully reducing the amount of visible light. For building occupants, this means spaces near glazed surfaces that are comfortable to use in all seasons, without the hot spots in summer and cold drafts in winter that standard glass creates. For building owners and property managers, it means measurably lower energy bills and a building envelope that performs closer to the standard of its insulated walls.
UV protection is the additional performance benefit that is often overlooked in discussions of Low-E glass. The same coating that manages heat transfer also filters out a significant proportion of ultraviolet radiation, the wavelengths responsible for fading fabrics, flooring, artwork, and merchandise. For retail environments, hospitality properties, and offices with valuable interior finishes, the UV protection that Low-E glass provides has a real and tangible financial benefit over the life of the installation. Stanley Schultze & Co. advises on the right Low-E specification for your building’s orientation, climate exposure, and performance goals.
Reduced Heating and Cooling Costs
Low-E coatings dramatically reduce heat transfer through glazed surfaces, lowering your building’s heating and cooling energy demand year-round.
Improved Occupant Comfort
Fewer hot spots in summer and cold drafts in winter mean a more comfortable environment for everyone near glazed surfaces.
UV Protection
Low-E coatings filter a significant proportion of UV radiation, protecting interior furnishings, flooring, merchandise, and artwork from fading.
Full Clarity Maintained
Modern Low-E coatings are virtually invisible to the naked eye, maintaining the clear outward appearance your building’s glazing was designed for.
Condensation Reduction
By maintaining a warmer interior glass surface temperature in winter, Low-E glass significantly reduces interior condensation on window surfaces.
Long-Term ROI
The energy savings generated by Low-E glass deliver a return on the upgrade investment that accumulates for the lifetime of the installation.
Our Energy Efficient Glass Installation Services
We supply and install Low-E glass across the full range of commercial glazing applications in Louisville and Kentucky, advising on the right specification for each project and installing to a standard that ensures the product performs as rated.
Low-E Glass for Commercial Windows
Commercial window replacement is the most common context for Low-E glass upgrades. Replacing aging single-pane or early-generation double-pane windows with modern Low-E insulated glass units delivers the most significant energy performance improvement available from a glazing upgrade. We supply Low-E window units in the sizes and specifications required for your existing frames or new window systems, and install them to manufacturer specifications to ensure the rated thermal performance is fully achieved in the completed installation.
Low-E Storefront Glazing
Retail storefronts face some of the most demanding thermal conditions of any commercial glazing application. Large south and west-facing glass areas are exposed to intense solar gain during the hours when retail businesses are at their busiest, driving up cooling costs and creating uncomfortable environments near the glass. Low-E storefront glazing addresses both problems, reducing solar heat gain while maintaining the high visible light transmittance that storefront glass needs to display products and attract customers effectively.
Low-E Curtain Wall Glazing
For multi-story commercial buildings with significant glazed facades, Low-E curtain wall glazing is a critical element of the building’s overall energy performance. The thermal performance of the curtain wall glass interacts with the building’s HVAC systems and contributes directly to the building’s energy rating. We work with architects and mechanical engineers during the design phase to specify Low-E curtain wall glass that meets the building’s energy performance targets and install it as part of the overall curtain wall program.
Energy-Efficient Glass Replacement for Failed Units
When an insulated glass unit fails, whether through seal failure, condensation between panes, or physical damage, the replacement unit represents an opportunity to upgrade thermal performance at the same time as restoring the integrity of the window or glazing. We supply and install Low-E replacement units for failed insulated glass across all commercial glazing applications, specifying the replacement to match or exceed the thermal performance of the original and ensuring correct sizing and glazing for the existing frame.
Low-E Glass Specification and Performance Advice
Not all Low-E glass products are equal, and the right specification depends on more than simply choosing a product with a low U-value. The balance between solar heat gain control and visible light transmittance varies significantly across the range of available Low-E products, and the right balance for a south-facing retail storefront in Louisville is different from the right balance for a north-facing office window. We advise on Low-E glass specification as part of every project consultation, ensuring that the product selected delivers the performance your building actually needs.
Low-E Upgrades for Existing Glazed Facades
For buildings with existing glazing that is structurally sound but thermally underperforming, a targeted Low-E upgrade can deliver significant energy savings without the cost and disruption of a full window or curtain wall replacement. We assess your existing frames and glazing condition, advise on whether Low-E re-glazing is viable within the existing frames, and manage the upgrade program in a way that minimizes disruption to building occupants and operations.
Low-E Glass Projects Across Louisville and Kentucky
Our Low-E glass installation work spans commercial window replacement programs for office buildings, storefront upgrades for retail properties, curtain wall glazing for new construction and renovation projects, and targeted single-unit replacements where building owners have taken the opportunity to upgrade to Low-E while restoring a failed unit. In every case, the goal is the same: a glazed facade that performs as well thermally as it looks visually, delivering the energy savings and occupant comfort benefits that Low-E glass is designed to provide.
Stanley Schultze Inc.
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Glass Glazing in Louisville, KY
—WHY CHOOSE US
The Stanley Schultze Difference
- Over four decades of commercial glazing experience, including significant Low-E glass installation work across Louisville and Kentucky
- Genuine specification expertise: we advise on the right Low-E product for your building’s orientation, climate, and performance goals, not just the easiest product to supply
- Correct installation to manufacturer specification, ensuring the rated thermal performance is achieved in the completed installation
- Strong supplier relationships providing access to a full range of Low-E glass products, including soft-coat, hard-coat, solar control, and acoustic laminated units
- Experience managing Low-E upgrade programs in occupied commercial buildings with minimal disruption to tenants and operations
- Manufacturer product warranties on all Low-E glass units, backed by our own workmanship guarantee on every installation
- Trusted by property managers, building owners, and GCs throughout Kentucky for repeat commercial glazing work
— CLIENT TESTIMONIALS
Trusted by Louisville’s
Businesses & Builders
Building owners and property managers across Louisville and Kentucky share their experience with Stanley Schultze & Co.
“Reasonable price. Great place to get glass.”
S. Eline| Google Review
“Reasonable price. Great to get hard to find pieces of glass.”
B.F. | Google Review
“Johnny and Todd make life easy on me because they get it right the first time.”
B. Hebel| Google Review
BBB A+ ACCREDITED
A+ rated with the Better Business Bureau and recognized as one of Louisville’s Fast 50 fastest-growing companies. Three generations of family ownership means our reputation is everything to us, and we back it up on every job.
— FREQUENTLY ASKED QUESTIONS
Common Questions About
Energy-Efficient Glass Installation
Still have questions? Call us at 502-585-4256 or contact us online. We typically respond within a few hours during business hours.
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What does Low-E mean in glass?
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How much can Low-E glass reduce energy costs?
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Does Low-E glass look different from standard glass?
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What is the difference between hard-coat and soft-coat Low-E glass?
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Can Low-E glass be installed in my existing window frames?
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Does Low-E glass block UV rays?
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Is Low-E glass worth it for a commercial building in Louisville?
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