There are three principal systems of central heating: 1 Distribution from a boiler of heated water through pipes terminating in room radiators. The system is commonly termed “wet” central heating. 2 Warm air. In this system air, instead of water, is heated and circulated through the house. 3 Heated structures, a system which includes underfloor … Read more
In greenhouses heated artificially temperature is partly controllable by thermostat. However, greenhouse temperature control depends on other factors such as the amount of sunlight entering the greenhouse, ventilation, and the cooling effect of moisture evaporating from the greenhouse. It should be realised that temperature is controllable by varying these other factors. Which to vary, so … Read more
Providing just enough warmth to keep out frost greatly increases the possibilities of the greenhouse, and a little more widens the scope still further. To heat a greenhouse need not be an expensive business provided the right equipment is used and every effort is made not to waste heat. In fact, this is rarely the … Read more