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Tips for Installing Replacement Windows Before the Fall

  • Matt Dietrich
  • 15 minutes ago
  • 4 min read

As summer starts winding down, many homeowners and business owners begin preparing their properties for the colder months ahead. One crucial upgrade that often gets overlooked is installing replacement windows before fall sets in. Whether you’re managing a residential space or dealing with commercial windows and doors, early replacement can save money, increase comfort, and improve long-term energy efficiency.


In this blog, we'll walk you through expert tips for replacing windows before fall ensuring a smooth process and long-term results.


Why Fall Preparation Is Essential


Fall brings cooler temperatures, unpredictable rain, and increasing energy bills if your property is not properly sealed. That’s why late summer is the ideal time to plan window replacement:


Avoid weather delays: Early preparation means avoiding autumn rains or storms that can delay installation.

Energy efficiency: New windows offer better insulation before winter's chill sets in.

Scheduling flexibility: Contractors are less busy now than they will be in the peak fall season.

Choose the Right Type of Windows

Before jumping into the installation, consider the material and style that best suits your property. For commercial buildings, windows need to strike a balance between durability, aesthetics, and energy performance.

Common Replacement Window Options:

Vinyl Windows: Low-maintenance and affordable.

Fiberglass Windows: Highly durable and excellent insulators.

Wood Windows: Offer a timeless look but require more upkeep.

For commercial buildings, combining energy-efficient glass with reinforced framing is key. A trusted supplier can guide you based on your needs. Explore real-world insights on modern window options from Energy.gov.


Work with Certified Professionals

Window replacement isn’t a DIY project, especially for commercial windows and doors. Proper installation affects not only insulation but also safety and building codes. Hiring certified experts ensures:

Accurate measurement and sealing

Use of premium materials

Compliance with local regulations

At McDowell Glass, our experienced team guarantees high-quality installation tailored to your building’s specifications.

Get a Custom Assessment

No two properties are the same. Schedule a free on-site consultation with a reputable company to evaluate:

Which windows need replacing

What materials best suit your climate

Any code requirements (especially for commercial properties)

Timeline and cost breakdown

A custom approach prevents future issues and maximizes your investment.


A recent article by Forbes outlines top-rated window brands and what to look for in quality replacements.


Consider Energy Efficiency Ratings

Fall and winter can bring extreme temperature drops. To keep your indoor environment comfortable, prioritize energy-efficient features such as:

Low-E glass  Double or triple-pane construction

Argon or krypton gas fills

ENERGY STAR® ratings

Commercial properties, in particular, benefit from thermal performance, reducing HVAC strain and utility costs in colder months.

Plan for Minimal Downtime

For businesses, downtime can mean lost revenue. That’s why scheduling and project management matter. The right team will:

Coordinate installation in non-peak hours

Complete jobs in phases to avoid full closure

Clean up thoroughly after work is completed

A smooth, non-intrusive process keeps your operations running without disruption.

Don’t Forget Doors

While windows get most of the attention, fall is also an ideal time to assess and replace outdated commercial doors. Doors are equally crucial for:

Security

Energy insulation

Aesthetic appeal

Matching commercial windows and doors can create a cohesive, modern look for your business while improving functionality. Understand Local Regulations

Many municipalities have building codes and energy efficiency requirements. Commercial properties often require permits for upgrades. A reputable company like McDowell Glass will:

Handle all paperwork

Coordinate with city inspectors

Ensure all upgrades meet legal standards

Avoid fines and delays by partnering with experts who understand local rules.

Ask About Warranties

Warranties protect your investment. Look for manufacturers and installers who provide:

Product warranties 

Labor warranties 

Before signing, always clarify what is covered especially for commercial projects, where wear and tear can be higher.

Inspect Seals and Frames

Sometimes, the glass isn't the issue it's the frame or seal. Before replacing the entire unit, ask your installer to inspect:

Cracked caulking

Rotting or warped frames

Moisture between panes

Air drafts

Minor repairs might be all you need, or it might confirm that a full replacement is necessary.

Don’t Wait Until It’s Cold

The biggest mistake property owners make is waiting too long. Once fall arrives in full force, it’s harder to schedule, install, and seal windows effectively. Cold temperatures can affect the sealants used during installation, potentially leading to:

Poor insulation

Condensation issues

Higher long-term costs

Final Thoughts

Replacing your windows before fall isn’t just a seasonal task it’s a smart investment in comfort, energy savings, and property value. For businesses, it’s an opportunity to modernize and boost your curb appeal with upgraded commercial windows and doors that stand the test of time.

McDowell Glass is proud to be a trusted name in professional glass services. Our team offers free assessments, expert guidance, and flawless installations to ensure you’re ready for the season ahead.


Curious about ROI for new windows? HGTV breaks down how window replacements can boost home value significantly.


Some questions Thats peaople ask about window replacement

How do I know if my windows need replacing?


Signs include drafts, condensation between panes, rising energy bills, or visible damage like cracks or warping.

Can I replace windows in cold weather?


Yes, but it's less ideal. Cold weather can affect caulking and sealant, so late summer or early fall is better.


How long does commercial window installation take?

It depends on the size and scope of the project, but most jobs can be completed in 1–5 days.

What’s the best type of window for energy savings?


Double-pane windows with Low-E coatings and argon gas offer excellent insulation and long-term savings.


Is financing available for window replacement?


Many installers, including McDowell Glass, offer financing plans to make upgrades more accessible.


If you're ready to upgrade your windows or explore options for commercial windows and doors, contact McDowell Glass today for a no-obligation consultation.

 
 
 

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