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The 5 (Right) Ways to Insulate Your Windows This Winter - CWE

What if you could prevent sky-high heating bills this winter just by upgrading your window insulation installation? The right window replacement can keep your home cozy while avoiding costly energy waste. After all, you might be losing roughly 25% of your home’s energy through old and outdated windows!

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At Coastal Windows & Exteriors, we understand that insulation is about staying cozy and making your home more energy efficient! As award-winning replacement window contractors, we offer solutions that blend aesthetics with maximum energy savings. We’re rated the #1 woman-owned window company in New England for a reason–because we offer quality window insulation to keep your family comfortable all winter long!

The Need for Window Insulation: Why Does Your Home Feel So Cold This Winter?

Meteorologists predict that this winter will be colder than last year, with temperatures dropping an average of 6%. Meanwhile, state energy regulators warn that heating costs are on the rise:

  • Electricity rates are climbing by 6%
  • Natural gas prices have surged by 24%

New England’s long and frigid winters demand months of home heating, making energy expenses a significant burden. Utility providers have already announced rate hikes, with National Grid increasing its charges by 13%.

Adding to the concern, the Boston Globe reports that Eversource is proposing another sharp increase in natural gas rates—up to 30%—this season. With dropping temperatures and rising costs, homeowners across the Northeast will see higher heating bills unless they take steps to improve their home’s efficiency.

House Always Cold? DIY Window Insulation Installation Might Not Help

If your house is always cold, it’s because heat easily escapes through your windows from multiple points. Otherwise known as air infiltration, these are the typical areas that are subject to heat loss from windows:

Illustration of a window showing air infiltration points, highlighting when to replace your windows. Arrows indicate air entering through the sash meeting rail, sash perimeter, and sill. Snowflakes outside suggest cold air seeping in.
  • The sash
  • The sill
  • Where the sash meets the sill

Even your best attempts at DIY window insulation installation might fall short. This includes using thermal curtains or plastic wrap on your windows. These solutions only create a temporary barrier, but they don’t stop cold air from seeping through gaps in the window sash and frame. Additionally, plastic wrap can trap moisture, leading to condensation buildup that may cause mold or damage to window materials.

The Right Way to Insulate Your Windows

For true insulation, upgrading to energy-efficient window replacement with multi-pane glass, insulated frames, and professional sealing is the best way to ensure lasting comfort and savings. Why settle for short-term fixes when a long-term solution can protect your home for years to come?

Here are the 5 best ways to insulate your windows that will last many, many winters ahead!

Invest in Dual or Triple Pane Windows

A single layer of glass won’t do much to keep cold air out and warm air in. Triple-pane windows, on the other hand, are a powerhouse when it comes to window insulation installation. They’re the key to saving $500+ each year on your energy bills, especially when upgrading from single pane windows. 

Why Multi-Pane Windows Matter

  • Triple-pane technology: Three layers of glass create an extra barrier between the indoors and outdoors, significantly reducing heat transfer.
  • Energy-efficient gases: Argon or krypton gas is injected between the panes, boosting insulation even further.

The more layers between you and the elements, the better. Wouldn’t you rather put your money toward something fun instead of paying for preventable heating costs?

Choosing Vinyl Frames for Superior Insulation

before and after siding and window replacement

Some materials are naturally better at preventing heat loss, and vinyl windows are at the top of the list.

Why Vinyl is the Best Choice for Insulation

  • Foam-filled vinyl frames: These provide an additional layer of insulation to keep your home comfortable.
  • Low-maintenance material: Unlike wood, vinyl won’t warp or crack due to temperature fluctuations. Old wood window frames allow for heat to escape, leaving you with high energy bills and an uncomfortable home. 
  • Sealed to perfection: Professional replacement window contractors install vinyl windows with a near-air-tight fit, stopping drafts in their tracks.

If your windows are leaking heat, your HVAC system has to work overtime—driving up energy costs. Wouldn’t it be nice to have a window solution that works as hard as you do?

Upgrade to Low-E Glass for Enhanced Efficiency

Your windows should be working with you—not against you—when it comes to keeping your home warm. That’s where Low-E glass comes into play.

How Low-E Glass Helps Insulate

  • Reflects heat back into your home: Instead of letting warmth escape, Low-E coatings keep it where it belongs. 
  • Reduces condensation: Say goodbye to frosty windows and moisture buildup.
  • Protects your interiors: UV rays are blocked, preventing furniture and flooring from fading.

With Low-E glass, you’re not just insulating—you’re upgrading your entire home experience. How much energy (and money) could you save with the right windows?

Sealing Gaps and Cracks for Extra Protection

A replacement window installer near me knows that even the best window won’t perform well if it isn’t properly sealed. For this step, we make sure to seal all gaps and cracks where energy may escape. 

How to Stop Heat Loss in Its Tracks

  • Professional caulking: Our experts seal every seam to eliminate hidden drafts.
  • Foam insulation around the frame: Expanding foam fills gaps, providing a snug fit.
  • Weatherstripping: An added layer of protection against air leaks.

Leaks are like little escape routes for warm air—shouldn’t we be locking that in instead of letting it drift away?

Hiring Certified Window Experts for a Perfect Installation

Choosing top-tier materials is just the beginning. Without a skilled team of window contractors, even the best windows won’t perform at their peak.

Why Professional Installation Matters

  • Best air infiltration rating in the industry: Our windows boast an impressive 0.1 CFM—meaning nearly zero air leakage.
  • Exceeds Energy Star 7.0 Requirements: We don’t just meet standards; we surpass them.
  • Installed year-round—even in winter: Our team ensures efficient window replacement no matter the season.

A poorly installed window is like a broken umbrella in a storm—it’s just not doing its job. Wouldn’t you rather have something that lasts a lifetime?

Call for a Quote! Don’t Let Drafty Windows Drain Your Wallet

A red house, winterized for comfort, stands surrounded by snow-covered trees and ground. The overcast sky casts a serene glow on the branches heavily laden with snow, completing the enchanting winter scene.

New house windows aren’t just about aesthetics—they’re a smart investment that prevents energy loss and improves home comfort. When you choose window insulation installation from Coastal Windows & Exteriors, you’re choosing superior craftsmanship that keeps your home warm all season long.

Looking for the best replacement window contractors?

Contact us today for a consultation, and let’s start saving you money this winter!

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