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18 × 40 ft Grow Room
Standard button mushroom cultivation room with Daikin refrigeration, designed for Indian conditions up to 50°C ambient temperature.
1,600+
Bags
3,200 kg
Per Cycle
106.7 kg
Harvest/Day
8 TR
Daikin
18×40 ft Rack Layout
Bags:1,600
Rows:2 Rows
Tiers:7 Tiers
Production Timeline
60-day cycle: Incubation (Day 0–30) + Production (Day 30–60)
Incubation
Day 0–30
No harvest
Production
Day 30–60
106.7 kg/day
Cycle Average (60 days)
53.3 kg/day
Harvest Average (30 days)
106.7 kg/day
For continuous daily harvest, use pairs of rooms: while one room is in incubation (Day 0–30), another produces (Day 30–60). Total rooms needed = 2 × Production rooms.
Complete Specifications
Room Dimensions
Room Size18 × 40 ft
Front Height16 ft
Back Height14 ft
PUF Walls80 mm
PUF Common Wall60 mm
PUF Roof80/110 mm corrugated
Rack Layout
Number of Rows2 rows
Row Width5 ft each
Row Length32 ft
Stack Levels7 levels
Rack MaterialPET wire mesh on MS frames
Center WalkwayMin 3 ft
Production Capacity
Bag Capacity1,600+ bags (10 kg)
Yield per Bag2 kg
Cycle Length60 days (30+30)
Yield per Cycle3,200 kg
Cycle Average (60 days)53.3 kg/day
Harvest Average (30 days)106.7 kg/day
Refrigeration System
BrandDaikin
Capacity8 TR
BTU Rating96,000 BTU
Max Ambient50°C
LED Battens20 units
Production Parameters
Spawn Run
Temperature25–28°C
RH90–95%
CO₂10,000–15,000 ppm
Casing
Temperature23–24°C
RH92–95%
CO₂5,000–8,000 ppm
Pinning
Temperature16°C
RH90–92%
CO₂800–1,200 ppm
Cropping
Temperature14–16°C
RH88–92%
CO₂800–1,200 ppm
Scope of Supply
Structural
- PUF insulated walls (80mm density 40±2)
- PUF common wall (60mm)
- PUF roof panels (80/110mm corrugated)
- MS frame structure with powder coating
- PET wire mesh racks (7 levels)
- Aluminum/SS door with gasket seal
- Drain point with trap
Mechanical
- Daikin refrigeration unit
- EC fans for air circulation
- Insulated duct system
- Dampers and gravity louvers
- Misting/fogging line
- Water tank inlet connection
- Condensate drain system
Electrical
- Main distribution panel
- PLC control panel
- LED batten lights
- Temperature sensors
- Humidity sensors
- CO₂ controller
- Wiring (1mm/1.5mm/4mm as required)
Civil Requirements (By Client)
- Level RCC floor with anti-skid finish
- Floor slope towards drain (1:100)
- Waterproofing on floor
- 3-phase power connection
- Water supply point
- Drainage connection
Optional Add-ons
HEPA Filter Unit
99.97% air filtration for spawn run
Extra Sensors
Additional temp/RH monitoring points
Automation Upgrade
Full IoT with mobile app control
Backup Generator
Power backup system integration
CCTV Integration
Remote monitoring cameras
Get a Custom Quote for 18 × 40 ft Grow Room
Includes complete engineering, Daikin refrigeration, climate controls, and turnkey installation.