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Tern Overland Arctic Tern Windows vs NomadicArk Double-Pane Acrylic Awning Windows
| Specification | Tern Overland | NomadicArk |
|---|---|---|
| Rating | 4.7 | 4.2 |
| Price | $640–$778+ per window | $330–$870 depending on size |
| Category | RV & Camper | RV & Camper |
| Glazing | Dual-pane G.E. Lucite Perspex acrylic | Double-pane privacy-tinted acrylic; glass-acrylic hybrid (ACG13) also offered |
| Frame | Powder-coated aluminum alloy | Polyurethane pane frame, powder-coated aluminum clamp ring |
| Opening | Top-hung awning on gas struts, 20/40/60 degrees; optional cam-lock struts to 90 | Top-hinged awning on gas struts |
| Wall thickness | Rings for 24–34, 35–44, 45–54, 64–74 mm; custom expansion rings | 1 in (25 mm) clamp ring included |
| Sizes | 300×500 to 550×1450 mm Classic; Flat series also offered | 300×300 mm to 900×450 mm (11.8 in to 35.4 in wide) |
| Weight | 12 lb (450×500); 16.6 lb (550×700) | 11 lb (450×400) to 18 lb (900×450) |
| Warranty | 1 year | 1 year |
| Company | Tern Overland, Prescott, Arizona; replacement parts stocked in US | NomadicArk, founded in North West England, sells in North America and Europe |
| Product-specific details | ||
| Certification | DOT-certified (North America), ECE-compliant (Europe) | — |
| Blind and screen | Integrated dual-function assembly, black or white; blackout blind with reflective exterior | — |
| Price | 450×500 Classic $640; 550×700 $778 | — |
| Locking | — | Four-point |
| Included | — | Window, interior trim, roller blind, fly screen, install and care guides |
| Colors | — | Black 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