Product Price Greenhouse Size (square feet) Number of Panels (units) Glazing Material Ventilation System Heating System Base Material
Greenhouse Megastore 1100 Series Hoop House Package CF-24PKG-472, 24 ft x 72 ft
US
£8198.06 24 ft W x 72 ft L x 9 ft H Double layer 6 mil anti-condensate 4-year rated polyethylene film 60 CFM inflation blower Galvanized steel

This 24 ft x 72 ft commercial hoop house has a galvanized steel frame, double-layer polyethylene roof film, and a 60 CFM inflation blower. It suits growers, nurseries, garden centers, and aquaculture operations needing a large year-round propagation or production structure.

★ Ideal for

This product specifically suits the question because its 24 ft x 72 ft footprint provides 1,728 sq ft of growing space, making it one of the largest listed 1100 Series configurations.

Greenhouse Megastore Garden Grower Greenhouse Package HG-GGK-1836LP, 18 ft x 36 ft LP Heater
US
£13715.63 18 ft x 36 ft 6mm polycarbonate twin-wall covering 2 MegaBreeze 12in HAF fans 1 Modine HD75 LP heater with single-stage thermostat

This 18 ft x 36 ft greenhouse package provides 648 sq ft of growing space with a steel frame and 6mm twin-wall polycarbonate covering. It includes an LP-fired Modine HD75 heater and two HAF fans, making it suitable for serious growers, farms, and year-round cultivation.

★ Ideal for

This product suits shoppers seeking the largest greenhouses because its 18 ft x 36 ft footprint provides 648 sq ft of growing area, supported by a commercial-grade HD75 LP heater and two circulation fans.

Greenhouse Megastore Garden Grower Greenhouse Package HG-GGK-1836NG, 18 ft x 36 ft NG Heater
US
£13715.63 18 ft x 36 ft Natural gas heater

This 18 ft x 36 ft greenhouse package is a large, engineered growing structure with 6 ft frame centers and a natural gas heating system. It suits serious hobby growers, educational programs, and small-scale commercial growers needing substantial year-round growing space.

★ Ideal for

It suits the search for the largest greenhouses available because its 18 ft x 36 ft footprint provides 648 sq ft of growing space, making it one of the largest Garden Grower package sizes.

Greenhouse Megastore Senior Teaching Greenhouse Package CG-TP-SN, 24 ft x 48 ft
US
£28591.65 24 ft x 48 ft 8mm Twinwall Polycarbonate Panels Two 30 in exhaust fans, three 36 in motorized inlet shutters, and two 12 in horizontal airflow fans Modine PTP gas-fired unit heater with heating thermostat

This 24 ft x 48 ft greenhouse has a galvanized steel frame and durable 8mm twinwall polycarbonate glazing. It includes ventilation, cooling controls, and a gas-fired heater, making it suitable for schools with large horticulture programs and space for 20-25 students.

★ Ideal for

It suits the search for the largest greenhouses because its 1,152 sq ft footprint provides substantial growing space while its commercial-style ventilation, heating, and galvanized steel construction support year-round use.