YourGreenhouses Polycarbonate vs Bloomcabin High Tunnel

On the day we checked, the YourGreenhouses Polycarbonate cost $2,765 at YourGreenhouses for 128 sq ft, and the Bloomcabin High Tunnel $3,372.97 at Bloomcabin for 129 sq ft. That is $607.97 more for the Bloomcabin High Tunnel, or $21.60 against $26.15 per square foot. For the YourGreenhouses Polycarbonate: Pre-order price for the 13 ft length, delivery estimated mid-January to March; an in-stock unit at this length was listed at $3,072.21. Roof vents ($95 each) are extra. For the Bloomcabin High Tunnel: Price after the 45% discount Bloomcabin shows against a $6,132.67 standard price; delivery is curbside.

The YourGreenhouses Polycarbonate uses 1/4 in (about 6 mm) double-wall polycarbonate, 99% UV blocked; the Bloomcabin High Tunnel 6 mm (0.24 in) polycarbonate with UV protection, 10-year panel warranty. On panels, they are close.

For weather, the YourGreenhouses Polycarbonate lists 32 lb/ft² of snow and 65 mph; the Bloomcabin High Tunnel 32.8 lb/ft² of snow and no wind rating.

The YourGreenhouses Polycarbonate peaks at 6'7"; the Bloomcabin High Tunnel at 6'11". Doors: one front door and one back window on the YourGreenhouses Polycarbonate, one front door on the Bloomcabin High Tunnel. For ventilation, the YourGreenhouses Polycarbonate has one back window; roof air vents are an option at $95 each, and the Bloomcabin High Tunnel two side windows; automatic roof vent available separately.

YourGreenhouses Polycarbonate: No base listed in the kit contents. Bloomcabin High Tunnel: Each arch goes about 13.8 in (35 cm) into the ground. Warranty: 10-year limited warranty on the steel frame, 5 years on the polycarbonate panels, 30-day money-back guarantee; a lifetime warranty add-on costs $260 (YourGreenhouses). 12-year warranty, subject to Bloomcabin's product terms; 10 years on the polycarbonate.