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Garden4less News 23rd Sept 07

Stackable Water Butts a better choice

Home » Greenhouse » Greenhouse Heaters

2800w <font color=00BFFF>Electric</font> Phoenix Greenhouse Heater - PHX

Special OfferFREE DELIVERY ON ALL ORDERS OVER �25

Availability: Over 50 In Stock
Usually dispatched within 24 hours.

UK Delivery: estimated 1-2 Days

2800w Electric Phoenix Greenhouse Heater - PHX.

The Bio Green Phoenix has 3 heat outputs 1.0kW, 1.8kW and 2.8kW all in the one unit. The unit can either be hung from the ceiling or be floor standing and has an improved fan for greater heat distribution and quiet operation. The 2.8kw setting will heat upto 100sq ft and offer frost protection up to 180sq ft.

Product Features

3 Heat outputs - 1.0kW, 1.8kW and 2.8kW (in one heater)

3 metre power lead

Phoenix can either hang or be floor mounted

30% more fan power for even heat distribution

Quiet, smooth running motor

IPX4 splash proof

CE approved

Spring, summer and winter mode

Stainless steel construction

Energy saving thermostat 0-26�C

Highly accurate control

List Price: ~~�189.00~~
garden4less.co.uk: �172.99
Free Delivery & You Save: �16.01 (8%)


	The fan works well, once you work out the relationship between settings ie.1 2 3 4 and the temperature you require which is a short period of trial & error with a internal greenhouse thermometer. but the fan on constant with thermostatic temperature control kept my greenhouse at a steady heat and the airflow rate being high kept mildew and mould to non existant. the best fan Ive own in 35 years of greenhouse gardening.
	Reviewer : Graham Pettitt from Diss, Norfolk (Read more reviews)

	The fan seems to work fine. It is a bit noisy and one has to guess the temperature setting as it is just numbered IE 1 2 3 4 Otherwise it has been keeping the greenhouse warm. Just waiting for some cold weather to really test it out!
	Reviewer : Jonathan Sewell from Dorset (Read more reviews)

Heating a greenhouse, the problem

To keep a greenhouse frost-free, the temperature must remain above 0�C even in the corners. If the current of air does not reach there, then the temperature on the heater has to be set really high.

However, then a large proportion of the warmth goes up into the gable of the greenhouse, where it is not needed, while the corners may still dip down to minus temperatures.

This is an unsatisfactory state of affairs, because heating energy is being wasted. In addition, there may be a significant temperature difference between when the heater switches on and off, especially with cheaper thermostats.

This means that if the thermostat has a switching differential of, for example, 6�C, then the greenhouse has to be heated up to 8�C if it is not to fall below the frost-free limit of +2�C before the heating switches on again automatically.

The Phoenix heater avoids the unnecessary heating up by keeping the switching differential to a minimum. This results in significant energy savings.

This is why we, as greenhouse specialists, have developed the Phoenix heater, which offers important advantages: High ventilation rate of up to 400m_/h. In normal circumstances, the current of air covers the entire greenhouse, (if the machine is correctly positioned). This means that the temperature difference inside the greenhouse remains small. Fungal attacks and mould formation are prevented.

Use of a high-quality thermostat with a control accuracy of � 0.3 to 0.5�C. This keeps the temperature remarkably constant and avoids the expensive high temperature peaks.

Why have fans with a high ventilation rate?

The ventilation rate is set at about 3.5 times higher than with conventional fan heaters. There are three reasons for this:
1.Because the air is always circulating rapidly, the input temperature can be low, below 45�C. This means there is no drying of the air or of foliage even close to where the air is coming in.
2. Because of the high ventilation rate, all the air is circulated. An even temperature is achieved throughout the greenhouse and the dreaded high temperature differences (hot at the top and cold at the bottom) are prevented.
3.This keeps the heating within a reasonable temperature range and reduces drops in temperature due to heat loss to the outside.

The fan setting

By using the fan setting, all the air in the greenhouse can be circulated even in the summer season. With the windows open and the fan on, the greenhouse can be cooled down. Air circulation in the summer is also necessary for the pollination of many flowers.

The fan

Can be left on for long periods without using much energy. Low-maintenance ball bearings, metal blades, a built-in thermostat, extra anti-corrosion protection and an earth wire � these are the features that make this fan a durable, long term investment.

Why not email a friend about this product?