Steam Fan Heaters

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The days when most factories had numerous machines running from pressurised steam produced by huge coal or oil-fired boilers have long gone. Accordingly steam fan heaters are not perhaps as common in the industrial landscape as they have been in the past. There are however still a few applications where piped steam is abundant and the preferred heat delivery mechanism is steam fan heaters. Although we supply different ranges of steam heater, including the Cirrus, it is the Thermoiler range is generally our prefered range.

The Thermoiler range of steam heaters is suitable for these applications and benefits from having not only standard heaters but also ones which can be used in damp or dusty environments. Even ATEX rated steam fan heaters can be supplied for certified explosion rated installations. The heater battery in the Thermolier steam fan heaters are considerably heavier than typically found in LPHW unit heaters and have thicker pipes and headers to handle higher media pressures. The coils are factory tested at pressure to 25 bar, which provides plentiful reassurance that at normal duty pressures of up to about 8 bar that the integrity of the coil is sound. With 16 sizes of Thermolier steam fan heaters to choose from ranging from about 12 to 102 kw (@ 6 bar & 20°C) there is realistic scope for economically heating very large spaces.

The Thermoiler steam fan heaters are available in either horizontal airflow or vertical airflow variants which means that they can be used not only wall mounted but can be hung from the ceiling or roof structure as part of an engineered heater array covering much larger areas with ease.

Thermolier steam fan heater

The Thermolier range also includes water fed fan heaters based on the same principles as the steam fed units, and these are useful where large buildings require an array of heaters and where it each heater needs an output in the range 30 – 70 kw.

We supply both Cirrus and Thermolier steam fans heaters, and although they are not routinely listed on our website, we do welcome enquiries where we can provide our proposals and quotations.Call us on 01729 824108

Heat Load	Watts	BTU
Average The Room Is A Normal Residential Room, Office, Reception Area Or Similar, Where There Is Not Overly Crowded With People, Computer And Office Equipment.
Above Average There Are Factors That Contribute To Additional Heat Being Generated In The Room E.G. Strong Lighting, Overcrowding With People And Office Equipment, Conservatory Type Room, Or Flat Roofed Room.
High There Are Factors That Contribute To A High Heat Load In The Room. E.G. Commercial Cooking, Much Computer And Server Equipment, Switchgear, Temporary Building With Thin Walls And Flat Room, Plain Glass Conservatory.

Variable	Units	Notes/Guidance
System Airflow	M3/Hr	If you have it in cfm then multiply your cfm value by 1.7 to get m3/hr
Average Combined Pressure Drop Of Filters Of Higher Than F6 Efficiency	Pascals	F8 bag filters pressure drop - typical clean clean to dirty, 160 - 250 Pascals F9 compact filters pressure drop - typical clean to dirty, 160 - 350 Pascals H10 HEPA filter pressure drop - typical clean to dirty, 250 - 600 Pascals 9.8 Pascals = 1 mm wg, & 249 Pascals = 1 inch wg
Carbon Filters Pressure Drop	Pascals	For compact type carbons pressure drop between 100 - 150 Pa Bonded carbon panels typically 150 - 170 Pa Loose granular carbon panels typically 130 Pa
Annual Operational Hours	Hrs/Annum	8760 hours in a year If operating for 5 days a week, excluding public holidays, for 12 hrs/day = 3000 hrs
Cost Of Power	Pence Per Kwh	Huge variance in what different companies pay. heck your last bill to be sure, otherwise put in 10p
Fan Efficiency	(As Decimal Value, Eg 100%=1)	Would typically be around 60%, so if you don’t have specific information use 0.6
Fan Motor Efficiency	(As Decimal Value, Eg 100%=1)	Larger motors should be around 90%, so if you don’t have specific information use 0.9

The Total Average Pressure Drop Over Your Higher Efficiency Filters And/Or Carbon Filters Is;		Pascals
This Pressure Drop Is Costing In Energy Alone	£	Per year
It Is Probable That A Sanuvox In-Duct System Could Break Down The Biological, Chemical And Odourous Contaminants On This Air Flow For Between 16 And 25% Of This Running Cost	£	Lower energy cost estimate of an equivalent Sanuvox system (16%)
	£	Higher energy cost estimate of an equivalent Sanuvox system (25%)

Type Of Building	Kw Range		BTU Range
Sports Centres
Retail Premises
Office Premises
Small Industrial Unit
Medium Industrial Units
Larger Industrial Buildings
School/Community Halls
Churches

Room/building volume	m3
Temperature differential (deltaT °C)	°C

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Steam Fan Heaters

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Thermolier steam fan heater

Cirrus fan heater has versions that run on steam

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