Cooling & Heating - Andrews Sykes

Portable heater calculationsElectricalAndrews Sykes electric heaters are the surest, fastest and handiest way of heating,drying and thawing. All you need is an electrical socket. There are no exhaust gases,smells or vapours and are therefore ideal for construction projects, marquees, storerooms, workshops, ships, switching stations, garages and in temporary accommodation.Andrews Sykes Portable HeatersAndrews Sykes Portable Air Heaters will give you instant, efficient flexible heat whereveryou want it and whenever you need it. For over 25 years Andrews Sykes has been thename people have relied upon for portable heaters in homes, offices, schools, colleges,hospitals, warehouses, garages and factories, in industry, commerce, agriculture orhorticulture.Andrews Sykes heaters are designed and manufactured by the recognised specialistsin the field. They are built to European Standards and are manufactured under thedisciplines of a quality management system which has been assessed and fully approvedto the requirement of ISO 9001 and EN 29001.CalculationsCalculations to determine the correct size of Andrews Sykes portable heaters to use areshown below.■■ Determine the temperature rise required inside the space to be heated in °C.■■ Find the volume of the space in cubic metres i.e. L x W x H in metres.■■ What sort of insulation does the building have?Well insulated k = 1.2Average k = 2.2Badly insulated k = 3.0Hardly any insulation k = 4.0Amount of heat required = Temperature rise °C x Volume in m³ x K x 4 = Btu/hNB: divide Btu by 3412 to obtain kW for electric heaters.For fixed permanent installations a full heat loss calculation must be made to take intoaccount construction of the building, air changes etc. Your local Andrews Sykes depotwill be pleased to help when required.104 Click www.andrews-sykes.com