Windows
Everything You Need to Know About Marvin Essential Windows
Learn about Marvin Essential windows: fiberglass frames, energy efficiency, coastal durability, and customization options for your home.
October 4, 2026
Window & Door Blog
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Why Homeowners Are Choosing Larger Windows for Modern Living
In recent years, homeowners have increasingly gravitated towards incorporating larger windows into their living spaces. This trend is no longer just about aesthetics; it’s a
September 29, 2026
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What Is the Difference Between Replacement Windows and New Construction Windows?
Windows play a vital role in shaping the aesthetics and energy efficiency of our homes. However, when it comes to selecting the right type of
September 28, 2026
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3 Features That Separate High-Quality Doors From the Rest
When it comes to creating the perfect living space, choosing the right doors is one of the most critical decisions you’ll make. Not only do
September 1, 2026
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The Small Window Upgrades That Make a Big Difference
Windows are much more than just openings to the outside world; they’re essential components in regulating a home’s energy efficiency. Though often overlooked, upgrading to
September 1, 2026
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How Modern Doors Balance Beauty, Security, and Performance
In the evolving landscape of home and building design, interior and exterior doors are no longer just functional barriers or gateways. They have transcended their
September 1, 2026
Solar Energy – Energy released by the sun from 3 distinct regions of the solar light spectrum
- UV rays 3%
- Visible Light 45%
- Near Infrared (NIR) 52% (where the heat we experience comes from)
Fading Transmission
- How much fading potential comes through a window
- Light in the spectral region from 300 to 700 nanometers
- The lower the Fading Transmission number the better the glass is for reducing fading potential for carpets and furniture
Visible Light Transmittance (VLT)
- How much light passes through a window
- This is the visible light that we see
- Near Infrared (NIR) 52% (where the heat we experience comes from)
U-Value or U-Factor
- How much heat transfers through a window
- The lower the U-Value, the slower the rate of heat flow, thereby better insulation performance
WINDOWS & DOORS FACTS & TIPS
A bedroom without an exterior door will require an EGRESS complaint window *All 4 criteria are required to pass EGRESS
STEP 1
20” minimum width.
(net clear opening)
STEP 2
24” minimum height.
(net clear opening)
STEP 3
Minimum Total
5.7 sqft. vent space.
(net clear opening)
STEP 4
Maximum 44” sill height off finish floor.
General Window Anatomy
