Standard on all Window Source double-hungs:
- 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
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.
3000 Series Features
- multi-chambered 3 1/4 inch vinyl frames
- fusion-welded sashes and mainframes
- double insulated glass
- both top and bottom sashes tilt in for cleaning
- sloped sill
- warm spacer system
- extruded aluminum half screens
- meets Energy Star when ordered with LowE glass
- Lifetime Warranty
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. For just a
few dollars more it is a great value.
6000 Series Features
- heavy duty multi-chambered 3 1/4 inch vinyl frames
- fusion-welded sashes and mainframes
- both top and bottom sashes tilt in for cleaning
- warm edge spacer system
- double insulated glass
- extruded aluminum half screens
- double strength glass
- interlocking meeting rail
- welded true slope sill
- Equal lite sashes
- meets Energy Star when ordered with LowE glass
- transferable Lifetime Warranty
The 9000 series is our highest performance window line.
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 of .22 with Energy Miser 2+ glass.
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?
9000 Series Features
- multi-chambered 3 1/4 inch vinyl frames
- fusion-welded sashes and mainframes
- warm edge spacer system
- available with 7/8 inch triple insulated glass
- foam filled frames resist heat and cold transfer
- double strength glass
- two layers of LowE/Argon
- NFRC U-Factor of .22 with Enegy Miser 2+ glass
- extra heavy duty beveled frames
- Florida approved DP-50 with optional fiberglass
reinforced frames
- welded true slope sill
- decorative recessed locks
- Transferable Lifetime Warranty