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🇺🇸 100% made in the USA · Pioneering vinyl window technology for over 60 years
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Compare our product series.

Every series is fusion welded, custom made to fit your openings and backed by our Lifetime Limited Warranty. Here’s how they differ.

Converted from 2023–2026 brochuresNFRC performance data
New 2026

Solstice 200 Series

Give your home a unique appearance.

State-of-the-art design in window systems — and our newest replacement line, with Low-E glass standard and fiberglass insulation in the frame and sash.

Engineered features

  • Fusion-welded 3-1/4″ deep frame
  • Fiberglass insulation in frame and sash
  • Standard Low-E 3/4″ insulating glass
  • Two layers of weatherstripping with double mylar fins
  • Stainless steel constant force balance
  • Rigid thermal reinforcement
  • Equal-lite sashes for a wood-window look
  • Optional Dual Tech hidden lock; optional nailing fin for new construction

Colors

Crème White · Desert Tan · Bronze or Black exterior · 10 paint colors + custom

Energy performance

GlassU-FactorSHGCVTAir
Low-E.27.29.55< 0.3
Low-E (alt.).26.21.51< 0.3
UltraFlect.22.20.45< 0.3
Triple glaze (R-5).20.16.33< 0.3

Whole-window values from the Solstice 200 Series brochure. Ask to see the NFRC rating sticker — and compare.

At a glance

Series comparison

SeriesStylesGlassStructureBest for
Harmony 100Double hung, slider, picture, patio3/4″—Value replacement
Solstice 200All window styles + patio door3/4″ Low-E std.Fiberglass-insulatedBest-selling replacement
300 Casement/PDCasement, awning, hopper, patio door7/8″DP-50Crank-out & doors
Pro-Tech 400All styles + bay/bow + patio7/8″Storm interlock, bulb sealPremium replacement
500All styles + bay/bow + patioLow-E + R-5 optionDP-55, magnetic sealHigh performance
600 / 650All styles; 650 coastal impactLow-E + R-5 optionDP-55, FL Building Code (650)Coastal & premium
Legacy

Legacy Bay & Bow Series

Solid wood mullions, real oak interior trim, CNC-precision frames and an R-7 insulated seat board.

Ready to see Slocomb windows in your home?

Our network of independent dealers measures, sells and installs Slocomb windows and doors across 22 states. Find one near you.

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