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Tern Overland Arctic Tern Windows vs NomadicArk Double-Pane Acrylic Awning Windows

SpecificationTern OverlandNomadicArk
Rating
4.7
4.2
Price$640–$778+ per window$330–$870 depending on size
CategoryRV & CamperRV & Camper
GlazingDual-pane G.E. Lucite Perspex acrylicDouble-pane privacy-tinted acrylic; glass-acrylic hybrid (ACG13) also offered
FramePowder-coated aluminum alloyPolyurethane pane frame, powder-coated aluminum clamp ring
OpeningTop-hung awning on gas struts, 20/40/60 degrees; optional cam-lock struts to 90Top-hinged awning on gas struts
Wall thicknessRings for 24–34, 35–44, 45–54, 64–74 mm; custom expansion rings1 in (25 mm) clamp ring included
Sizes300×500 to 550×1450 mm Classic; Flat series also offered300×300 mm to 900×450 mm (11.8 in to 35.4 in wide)
Weight12 lb (450×500); 16.6 lb (550×700)11 lb (450×400) to 18 lb (900×450)
Warranty1 year1 year
CompanyTern Overland, Prescott, Arizona; replacement parts stocked in USNomadicArk, founded in North West England, sells in North America and Europe
Product-specific details
CertificationDOT-certified (North America), ECE-compliant (Europe)
Blind and screenIntegrated dual-function assembly, black or white; blackout blind with reflective exterior
Price450×500 Classic $640; 550×700 $778
LockingFour-point
IncludedWindow, interior trim, roller blind, fly screen, install and care guides
ColorsBlack or white frame

Tern Overland Arctic Tern Windows

Pros

  • DOT-certified and ECE-compliant vehicle glazing
  • Dual-pane Lucite Perspex acrylic with a ten-year clarity claim
  • Four clamp rings covering 24 to 74 mm walls; custom expansion rings available
  • Blackout blind and insect screen integrated; 20/40/60-degree struts, optional 90-degree cam locks
  • Owners report no leaks after multiple winters; parts stocked in Prescott, Arizona

Cons

  • Most expensive dual-pane acrylic window per size
  • One-year warranty
  • Flat frame does not follow curved van panels; some builds need a spacer or inner frame
  • Awning opens 3.25 in to first stop and nearly 8 in fully, which can foul a Sprinter slider

NomadicArk Double-Pane Acrylic Awning Windows

Pros

  • Double-pane acrylic insulates roughly three times better than single-pane glass
  • Integrated roller blind and fly screen come in the box
  • Gas-strut awning opening with four-point locking
  • Flat panes with radius corners, not the dated bubble look
  • Several hundred dollars less than a comparable Dometic or Tern Overland unit

Cons

  • Only a one-year warranty
  • Clamp ring is sized for 1-inch walls; thinner or thicker walls need shimming
  • Acrylic scratches more easily than glass and needs careful cleaning
  • Few independent owner reviews yet compared with Dometic or Tern