Choose your Harvst greenhouse options

Power supply

Your Harvst control unit can be powered either from a solar panel (off grid) or with a 240v mains connection (on grid).

Off gridOn grid
Specification5W solar panel, 3m cable
Built-in battery
5m mains cable with 3-pin 240v plug
Installation requirementsSomewhere that catches a good amount of sunshine every day (even in winter). If you can’t mount the solar panel within 3m of the control unit, then you can buy solar extension cables from us.You’ll need a waterproof external mains socket within 5 metres of your Harvst control unit.
Can run heatersNo. There’s not enough energy produced by a small solar panel to charge a battery enough to power a heater. Yes. Up to 6 low-voltage heat pads or a heater cable.

Water supply

Your mini-greenhouse needs water, which can be provided in a number of ways.

Self containedExternal water tankHose connection
Specification– The greenhouse collects rainwater from its own roof, into a 25 litre tank (which may be inside or outside).
– Pumps water from this tank to hoses of your choice. You will need to top up the tank periodically.
– Tank is provided with a low water alarm sensor.
– A water pump is supplied on 2 metres of hose.
– The pump is dropped into your own water butt, which must be within 4m of the Harvst mini greenhouse at ground level.
– You don’t need to drill any holes in your water butt.
– Pump kit is provided with a low water level sensor.
– A Hozelock-compatible snap fit connection allows you to plug in a standard garden hose.
– No water pump is needed.
Installation requirementsNone (unless you want to mount the tank outside your greenhouse, in which case remember to leave space).A water butt at ground level, adjacent to the greenhouse. The low voltage pump supplied will feed the system with an inlet pipe up to 4 metres long.Just put your mini-greenhouse somewhere that you can get a hose pipe to. If you also need to use the hose elsewhere in the garden, fit a tee connection for your greenhouse.