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Double Hung Windows

Buying Windows? Must Read

At Keystone Window of Pennsylvania, we pride ourselves on exemplifying integrity and being honest with our customers. Our commitment to exceptional service sets us apart as your go-to source for replacement windows and doors in Southeastern Pennsylvania, including Bucks & Montgomery Counties. With years of experience under our belt, we understand the importance of providing top-notch products and dedicated customer care. When you choose us, you’re not just getting windows – you’re getting a partner you can trust.

What is a Double-Hung Window?

The most commonly used vinyl replacement window in the USA today is a double-hung window. If you’re looking for timeless elegance and practicality, double-hung windows are for you. The classic design of double-hung windows complements any architectural style, making them a popular choice for homeowners seeking both functionality and aesthetics.

Double-hung windows get their name from the double set of sashes that traditionally were hung from counterweights inside the window frame. The counterweights allowed the sashes to be lifted or raised with less effort. They also allowed the sash to stay in position while raised.

Today, double-hung windows rarely use counterweights. Instead, either spring balances or steel coils are used to balance the weight of the sash as it is raised and lowered.

Why Choose Double-Hung Replacement Windows?

Double-hung replacement windows from Keystone Window of Pennsylvania offer a myriad of benefits. Not only do they enhance your home’s curb appeal and interior charm, but they also provide excellent ventilation options. Their unique design allows you to open the top and bottom sashes independently, letting fresh air in while maintaining the utmost security. Additionally, their ease of maintenance and energy efficiency make them a practical and stylish investment for your home.

Our Replacement Windows Are Energy Star Certified

At Keystone Window of Pennsylvania, we understand the importance of energy efficiency in today’s world. That’s why our double-hung replacement windows are Energy Star certified, ensuring that your home remains comfortable while helping you save on energy bills. Our windows are designed to keep the elements at bay and maintain a consistent indoor temperature so that you can enjoy a more sustainable and cost-effective living space.

Standard Argon-Filled Double-Hung Replacement Windows

The introduction of argon gas between the window panes enhances insulation, reducing heat transfer and minimizing cold drafts during winter months while keeping your home cool in the summer. This advanced technology also helps to significantly reduce outdoor noise infiltration, creating a serene and tranquil indoor environment.

Beyond the immediate comfort, our argon-filled windows contribute to lowering your energy bills by optimizing thermal performance and reducing the strain on your heating and cooling systems. Enjoy a cozier home, reduced energy costs, and a quieter living space with the exceptional benefits of our argon-filled double-hung replacement windows.

Our Replacement Windows Include a Low-E Coating

This innovative Low-E (low emissivity) technology has revolutionized the way we experience our living spaces, offering a range of benefits that go beyond traditional windows. Discover why Low-E coating is a game-changer for your home:

  • Optimal Energy Efficiency: Low-E coating is designed to significantly reduce the transfer of heat through your windows. During the hot summer months, it reflects a portion of the sun’s infrared rays, preventing excess heat from entering your home and keeping your interiors cooler. In the colder months, it helps retain indoor heat by reflecting radiant heat back into your home. This means you’ll enjoy a more consistent and comfortable indoor temperature year-round, all while reducing your reliance on heating and cooling systems.
  • UV Ray Protection: Harmful ultraviolet (UV) rays from the sun can damage your furnishings, flooring, and even your skin over time. Replacement double-hung windows with Low-E coating act as a protective barrier, blocking a significant amount of UV rays from entering your home.
  • Glare Reduction: Excessive glare from the sun can be a real nuisance, making it difficult to watch TV, work on your computer, or simply relax. Low-E coating helps mitigate glare by filtering out a portion of the sun’s intense light, allowing you to enjoy a more comfortable and enjoyable living space without compromising on natural light.

Upfront Replacement Window Pricing – No Gimmicks or Hidden Fees

We believe in transparency and honesty when it comes to pricing. Our upfront replacement window pricing ensures that you know exactly what you’re getting and what you’re paying for – no surprises, gimmicks, or hidden fees. Your trust is our priority, and we’re committed to delivering quality products and services that align with your budget.

Professional Replacement Double-Hung Window Installation in Pennsylvania Included

Rest easy knowing that your new double-hung replacement windows will be installed by our Installation Masters-certified installation crews. Our skilled professionals take pride in their work, ensuring that your windows are installed with precision and care. We understand that proper installation is crucial for optimal window performance, and we’re dedicated to delivering exceptional results every time.

Many Replacement Window Colors to Choose From

Personalize your home with a wide selection of replacement window colors available at Keystone Window of Pennsylvania. Whether you’re looking to match your existing décor or make a bold statement, our range of color options allows you to customize your windows to suit your style and preferences.

Custom Replacement Window Sizes to Suit Your Needs

Every home is unique, and we embrace that diversity. Our custom replacement window sizes ensure that you’ll find the perfect fit for your space. Whether you have a specific dimension in mind or need assistance determining the ideal size, our experts are here to guide you through the process.

Transferable Lifetime Replacement Window Warranty

Your satisfaction and peace of mind matter to us. That’s why our double-hung replacement windows come with a transferable lifetime warranty. This warranty not only safeguards your investment but also adds value to your home, providing you with lasting confidence in the quality and durability of our products.

Contact Us for Double-Hung Replacement Windows in Pennsylvania

Ready to transform your home with the beauty and functionality of double-hung replacement windows? Contact Keystone Window of Pennsylvania today! Our dedicated team is here to answer your questions, provide expert guidance, and schedule your window installation in Southeastern Pennsylvania, including Bucks & Montgomery Counties. Let’s embark on this window replacement journey together, enhancing your home’s comfort, style, and energy efficiency.

We are also proud to provide the following window types for homes across Pennsylvania:

Double-Hung Windows: Our Most Popular Windows

Double Hung Windows Closed

Double Hung Windows Tilted In

Dealer Keystone Window of Pennsylvania
Energy Star Certified Yes
Tax Credit Qualified Yes
Manufacturer’s Warranty 50 Year Transferable Lifetime
Interior-Exterior Colors Unlimited. Call Office.
Decorative Glass Yes
Features and Benefits:
  • Durability and excellent lift action: Each Premium Vinyl Windows double hung window is built with either Constant-Force™ balances to make lifting or lowering your windows effortless.
  • Easy cleaning from inside the home: Every Premium Vinyl Windows double hung window tilts in to make cleaning a snap. Just push the button at either side of the sash and tip the sash toward you.
  • Minimal air infiltration: Specially designed air barriers and weather stripping greatly minimize air leakage.
  • Innovative sill designs: A strong bond between the window’s sill and jamb provide maximum weather protection.
  • Energy efficient glass packages: No matter what your energy efficiency needs are, Premium Vinyl Windows’ numerous glass packages can meet them.
  • Peace of mind: Vent stops are designed into every Premium Vinyl Windows double hung window. The vent stop allows the sash to be raised partway for ventilation yet prohibits someone from pushing the sash open all the way.
  • Standard Features: Our double hung windows come standard with Low-e coating, Argon gas fill, vent locks, and full installation

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Double Hung Window Features

The quality of double hung vinyl windows can differ greatly in the replacement window industry. Our focus, at Keystone Window of Pennsylvania, is to offer you the most energy efficient, durable, and beautiful replacement windows in your price range.

Vent-Lock Type

Our Keystone Window of Pennsylvania windows are equipped with Vent Stop, a feature that limits sash travel yet allows for ventilation when activated. This useful feature keeps a window from being forced open while still allowing a fresh breeze to come in.

Low-E Coating

Low-E (low-emittance) coating increases the energy efficiency of your window. This virtually invisible, microscopically thin layer greatly reduces the transfer of heat through your window by reflecting radiant heat back out of your home. Low-E coating is applied on the outside of the interior pane of glass so that the coating faces into the gap between the panes.

Don’t buy windows without this basic energy efficiency coating, unless you’re just buying windows for a shed!

Argon Gas

Our IGUs (insulated glass units) are filled with argon, a nontoxic, nonreactive, clear, and odorless gas, to help reduce the heat flow through your window and into your home. Some window manufacturers just fill their windows with plain air, which is a lousy insulator. It circulates in the sealed gap between the glass, conducting heat to the top while settling in cold pools at the bottom.

Argon, however, is much more insulating and slower-moving than air, which greatly reduces the rate of heat transfer. Argon gas will make your windows more energy efficient and minimize condensation on the windows.

These features are specific to our vinyl replacement windows. They increase the safety, energy efficiency, and convenience of our windows to keep you comfortable in your home.

Air Infiltration Ratings

Always compare AAMA air infiltration ratings of any windows you’re considering purchasing. Poorly designed windows don’t have the built-in airlocks, weather stripping, and barriers necessary to keep air from forcing its way in. Without these design features, air will push between the sash meeting rails and around the sash perimeter where it meets the frame and sill. The last thing you need is a breeze coming through your closed window.

We know how uncomfortable a home with leaky windows will be. So, we’ve loaded the our vinyl replacement window with weather barriers that go far beyond the industry standard and other manufacturers’ window designs to keep you comfortable.

Energy Performance Ratings

We want to help you reduce the cost of your energy bill.  We have taken great care to ensure all of our glass packages exceed industry standards for energy efficiency.  They also all reduce noise and fabric fading, and are warranted for a lifetime against seal failure.

The National Fenestration Rating council (NFRC) label on your windows is specific to the overall thermal performance of the specimen window tested by NFRC.

  • U-Factor: The industry standard is 0.30.  To qualify for an Energy Star rating, the window must have a 0.30 rating or lower.  The lower the rating, the better the energy efficiency of the window. Our windows range from 0.18 – 0.26 depending on the desired glass package selected and what insulating factors you are trying to achieve.  The glass package, the window’s design, its components, and fiberglass insulation all affect this rating.
  • Solar Heat Gain Coefficient: A measurement of how well products block heat caused by sunlight.  The rating is expressed as a number between 0 and 1.  The lower the number the better.
  • Visible Transmittance: A measurement of how much light comes through the window.  Expressed as a number between 0 and 1, the higher the VT the greater the window’s energy efficiency.
  • Condensation: Resistance: A measurement of how well the window resists condensation on the glass.  The higher the number the better.

Weather Stripping Type

To keep your home as comfortable as possible, we install Dual-Fin, Wool-Pile weatherstripping around the perimeter of all sashes to fight air infiltration. This weather stripping is one of the features that helps minimize drafty windows.

Full Composite Reinforcement

If you’ve ever tried to close a double hung window, but couldn’t get it locked, you’ll really appreciate this window feature. The Full Composite Reinforcement in the keeper rails ensures that you’ll be able to close the windows and lock them easily without fighting with them. The reinforcement also means maximum structural performance, so the meeting rails won’t sag. All keeper and lock screws are fastened into metal, not plastic. This makes our windows easy to lock tight, which helps keep your home safe.

Balance System Type

You will be amazed at how easily our double hung windows move up and down. Our Constant-Force Balance system is an AAMA Class 2 device that provides smooth and easy operation. The 1/2” stainless steel never needs lubrication or adjustment, making this window easy for you to use throughout its lifetime.

Locking Hardware

Your windows’ Cam-Action Locks will pull the sashes together, tightly sealing them to prevent air infiltration. When engaged, the lock increases the safety of you and your family by making the window much more difficult to be forced open.

Vinyl

The sashes and frames in all of our windows are made using the finest quality, specially blended, un-plasticized poly vinyl chloride, or uPVC. Unlike wood or metal windows, your vinyl window frame will never rot or corrode. uPVC saves energy better than other materials, so it helps to reduce your household’s carbon footprint. In addition, it lasts much longer than wood or other materials, and never needs refinishing (so there’s no need to use environmentally harsh varnishes or stains.) This inherent durability means that the likelihood of having to replace your uPVC windows again in the future is much less than if you were to use wood or metal.

We also fusion-weld the vinyl with top-of-the-line, robotic 4-point welding equipment to seal the corners of our windows. Fusing the vinyl ensures that the corners will never separate. Many low-quality vinyl windows today are simply screwed or stapled at the corners, just like wood or metal windows. Some are welded on very old, single- or double-weld machines. The corners of those windows can separate, and leak air and water. When choosing the best window for you, only purchase a window made with fusion-welded vinyl produced with robotic, 4-point welding equipment.

Vinyl Extrusions

Multi-chambered sash and frame vinyl extrusions increase durability and insulation of the window. In addition, the chambers have fiberglass insulation inserts to make an even more energy efficient window.

Grids

We offer flat and contour grids in a variety of designs, colors and woodgrains.  Now you can add style to your vinyl windows like never before!

Screen Type Option

Your screens will be durable and easy to look through with strong, extruded metal screen frames featuring unobtrusive black fabric and matching black spline.

Interior and Exterior Colors

Your choice of colors in the Keystone Window include Crème, Tan, Cocoa, and Bronze, and many more custom paints too.