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What to Look For When Buying Replacement Window

Here at Giant Siding & Windows, we understand that when it comes to upgrading important elements of their home, people want to work with companies that maintain the highest standards in terms of products and service. This is precisely why the product lines we support include both Marvin and Andersen windows. For replacement windows, these window manufacturers offer some of the highest levels of overall quality, energy efficiency, and of course, gorgeous style.

Window Brands: Known for Quality

Several factors to consider when selecting the right replacement windows, not the least of which is product quality. Both Marvin and Andersen windows have an outstanding reputation in terms of product quality and are known for offering some of the best replacement windows available on the market.

In addition, their replacement windows offer a minimum 10-year warranty, with some of the window components warrantied even longer.

Window Energy Performance

A good-quality replacement window can lower both a home’s winter heating and summer cooling costs when properly installed.

Many homeowners decide to install Marvin or Andersen replacement windows because they know that these manufacturers take advantage of the latest, most advanced technologies available when it comes to energy efficiency.

In addition, if the homeowner(s) ever decide to sell their home, they know prospective buyers will appreciate the lower energy costs associated with Marvin and Andersen windows.

FAQs about Windows Energy Efficiency

What do I need to know about window energy efficiency?
— Replacing your home’s windows & doors with energy-efficient ones can help reduce your utility bills, and the benefits don’t stop there.
Choosing an energy-efficient window system makes your home more comfortable, as it is your windows & doors performance that determines how much heat comes in and how much cold air escapes your home in the summer and winter months.

How do I know if a window or a door is energy efficient?
— Certification programs such as those administered by the National Fenestration Rating Council (NFRC) and ENERGY STAR provide ratings designed to indicate a window or door’s efficiency.
Various performance ratings – like U-factor and Solar Heat Gain Coefficient – measure a product’s effectiveness in insulating and blocking heat from the sun, among other things.

Are tax credits still available for energy-saving window and door replacements here in Westchester NY County?
– Tax credit programs change often so make sure to stay up-to-date with the latest.

Window Types: Beauty and Style

Both Marvin and Andersen offer a wide variety of window styles and treatments. This is important because part of window replacement involves marrying the right window style and color to the rest of the exterior and interior features. Both companies offer a variety of popular window styles, including:

  • Casement Windows
  • Corner Windows
  • Marvin Windows
  • Picture Windows
  • Signature Collection
  • Signature Collection
  • Signature Collection
  • Signature Modern Collection
  • Single Hung Windows
  • Sliding Windows
  • Specialty Shape Windows


Whether a homeowner settles on distinguished black or crisp, clean white windows — or if they want to match the interior or exterior wood tones found in other features of their home, both Marvin and Andersen are sure to have a style and color to meet their needs.

About Us

We are a locally owned business with our in-house (never subcontracted) installation team. Perry Hayes, the owner/operator of Giant Siding & Windows, always deals directly with clients to ensure they receive the outstanding service and support they deserve.

Please get in touch with us to learn more about our window replacement & installation services!