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TWS: Energy Efficient Double-Hung Replacement Windows

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Energy Efficient Replacement Windows Rhode Island

Professionally installed energy efficient double-hung windows

Are you looking for professionally installed double-hung windows? Energy efficient replacement windows come in all shapes and sizes. Our replacement windows are built to last.

All Window Source double-hung windows include:

  • Multi-chambered premium vinyl frames
  • Fusion welded vinyl sash and main frames
  • Both sashes tilt in for safe and easy cleaning
  • Double insulated glass IG units
  • Warm edge spacer technology
  • Welded true sloped sill
  • Stainless steel constant force balance system
  • Spring loaded vent latches
  • Half screens
  • Custom made to fit each opening
  • Lifetime warranty


The Window Source offers three double-hung replacement window models; the Model 3000 Series, the Model 6000 Series, and the Model 9000 Series.

The Model 3000 Series – CONTRACTOR GRADE – Concord® Plus – $309 Basic Installation

Double Hung Windows in Rhode Island - Series
The Model 3000 Series is our entry level double-hung windows. You don’t have to sacrifice on quality if you’re working with a limited budget on your replacement window project. Our economical 3000 Series double-hung window line has all of the essential features of an energy efficient replacement window line including fusion welded frames on all sash and mainframe corner joints. Many other entry level windows have mechanically fastened joints that can work loose.

  • Built with premium vinyl resin; solid vinyl color won’t chip, peel, crack or warp.
  • Multi-chambered sash and mainframe provide insulating air spaces for increased
    thermal efficiency.
  • Insulated glass unit with sealed air space between the panes of glass helps reduce the
    transfer of heat and cold.
  • PPG Intercept® Warm-Edge Spacer System saves energy by reducing the conduction
    of heat at the edge of the glass for superior thermal performance and longevity.
  • Interlocking composite-reinforced sash meeting rails offer increased insulation and comfort.
  • Bulb seal at meeting rails enhances energy efficiency.
  • Drop-in glazing provides added protection from outside elements.
  • Easy-to-operate fully extruded lift rails.
  • Protective bulb seal at the sill helps block out dust, dirt and air infiltration.
  • Sloped sill prevents accumulation of water and debris.
  • Hidden screen track creates a clean-line appearance.
  • Fusion-welded sash and mainframe for strength and rigidity
  • Dual vent stops offer limited and convenient opening of the window for airflow
  • Constant force balance system for smooth operation of the sashes (double hung window)
  • Tilt-in top and bottom sashes for safe and easy cleaning from inside the home (double
    hung window)
  • Double-barrier fin seal weatherstripping at sash sides helps block air, water and
    dirt infiltration
  • Beveled exterior profile creates an attractive appearance

The Model 6000 Series – BEST SELLER – Signature® Elite – $349 Basic Installation (add $50 for triple-pane)

Double Hung Windows in Rhode Island - Series 6000
The Model 6000 Series are our most popular double-hung windows. Many homeowners upgrade to our popular 6000 Series double-hung window line. The 6000 series comes standard with more vinyl, more strength, and double strength glass.

BroadView Narrowline Frame & Sash: Impressive strength, refined construction and an expanded glass area are beautifully presented in this narrowline frame and sash. And while BroadView’s low-profile elegance captures your attention, embedded chambers are hard at work, increasing energy efficiency, rigidity and durability.

Fortress Secure Locking System: Fortress is the champion of peace of mind. The positive end-of-throw cam shifting lock creates a powerful locking system that seals the sash tightly closed. Fortress’ well-designed hardware also features an indicator that lets you know if your windows are not locked.

CoreTec Composite Reinforcement: CoreTec further enhances thermal performance at the meeting rails. The non-conductive composite reinforcement reduces the transfer of energy, while also allowing for secure mounting of hardware.

Traverse Telescoping Sill: This innovative telescoping sill dam provides triple benefits: increased structural stability, greater protection from air and water infiltration, and enhanced beauty. It marries strength and style with advanced window technology.

Gradient True Sloped Sill: Both the form and functionality of Gradient work in tandem to deliver a highly effective drainage system. Gradient’s smooth surface and true sloped sill promptly direct water runoff without the use of weep holes to help keep the exterior window attractive.

LinkSynch Sash-To-Sill Interlock: Increased strength and resistance to bowing during high winds is achieved with our LinkSync sash-to-sill interlock. The concealed channel nests the sash into the sill to create a wall of resistance to whatever Mother Nature dishes out.

DuraFit Screen Bulb Seal: This smartly designed compression bulb seal blocks unsightly light penetration between the screen and window frame and helps keep insects out. DuraFit also provides for easier screen installation and removal.

Additional Features

  • Fusion-welded mainframe and sash corners for superior strength, tight corners and a beautiful finished look
  • Standard foam-enhanced mainframe further increases energy efficiency
  • Multi-chambered construction creates airtight insulating spaces for greater thermal protection and durability
  • Dual-pane, double-strength insulating glass increases energy efficiency
  • Protective, multi-layer weatherstripping improves energy efficiency
  • Beveled interior frame adds dimension for a refined appearance
  • Dual vent stops offer limited and convenient opening of the window for ventilation
  • Hidden screen track creates a clean-line design for enhanced visual appeal
  • DuraLift™ block and tackle balance system for smooth operation of sashes, lasts 20,000 lifts.


The Model 9000 Series – Sequoia® Select – $399 Basic Installation (add $50 for triple-pane)

Double Hung Windows in Rhode Island - Series 9000
The Model 9000 Series are our highest performance double-hung windows. Triple glass and foam filled frames give you the ultimate in comfort and energy savings.

The triple glass package in the 9000 series features two coatings of high performance LowE and two chambers of Argon gas fill. The result is a highly efficient replacement window with an incredible NFRC U-factor.

With the 9000 series you’ll be prepared for ever rising energy prices. We have seen similar products offered for more than twice as much. Why pay more?

Precision-engineered for maximum energy savings and easy operation.

  • Solid vinyl throughout keeps windows fresh and new looking; won’t chip, peel, crack or warp.
  • Foam-enhanced sashes and mainframe provide added insulation.
  • Airtight insulating chambers enhance thermal efficiency and structural integrity.
  • Multi-layer weatherstripping at the header helps block infiltration of outside elements.
  • Insulated glass unit with dead air space provides year-round comfort and energy savings.
  • PPG Intercept Warm-Edge Spacer System helps save energy by reducing the conduction of heat
    at the edge of the glass for superior thermal performance and longevity.
  • Interlock at sash meeting rails offers increased insulation, comfort and durability.
  • Steel reinforcement in the meeting rails adds strength and allows for secure mounting
    of hardware.
  • Drop-in glazing provides energy efficiency as well as interior aesthetic appeal.
  • Compression bulb seal at the sill creates an all-season weather barrier.
  • Sloped sill for classic beauty, easy cleaning and prevention of water accumulation.
  • Hidden screen track creates a clean-line appearance.

Additional Features

  • Fusion-welded sashes and mainframe for superior strength and rigidity.
  • Dual vent stops for limited and convenient opening of the window for ventilation.
  • Full balance covers for reduced air infiltration while adding a finished look to the window frame.
  • DuraLift™ block and tackle balance system for smooth operation of sashes, lasts 20,000 lifts.
  • Tilt-in top and bottom sashes for safe and easy cleaning from inside the home
    (double hung windows).
  • Triple-barrier fin seal weatherstripping between the sash and jamb helps block out water, air, and dirt infiltration.


For more information on these specific products, visit our contact page or call us at (401) 270-0160.

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Financing Options

Financing Options from GreenSky
Finance Your Window Project
GreenSky credit programs financing is provided by a network of federally insured, federal and state chartered banks.

Use our Merchant ID# for your reference #: 8101-5614.

Our Rhode Island Window Showroom

We serve all of Rhode Island & Southern Massachusetts. Our showroom is located in Smithfield, RI. Our address is 127 Dean Avenue Smithfield, RI 02917.

We Have Over 35 Locations Nationwide
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