b'Heat Sources Output kW(Btu/h) Unit Heaters AIR BARRIERS AIR CURTAINS / DX Heat Pump AIR CURTAINS/OVER DOOR HEATERS Thermal Fluid Heaters Electric including Quartz Gas Indirect/direct/Oil Water Steam 293kW+ (1,000,000 Btu\\h+) 175/293kW (600,000\\1,000,000 Btu\\h) 117/175kW (400,000\\600,000 Btu\\h) 44/117kW (150,000\\400,000 Btu\\h) 29/44kW (100,000\\150,000 Btu\\h)& Air Curtains5.10= Manufacturer or main UKSupplier = Distributor re-seller Unit Heaters & Air Curtains = Rental / Hire service1st SYSTEMSSee page 82 & 102COMBAT HEATING SOLUTIONS See page 227CPA ENGINEERED SOLUTIONSSee page 156DRAVO See page 72, 212 & 242DUNHAM-BUSH See page 32 & 154 ENVIROTECSee page 236FRENGER SYSTEMSSee page 224 & 78JS AIR CURTAINSSee page 239REZNOR UK See page 44, 108, 222, 234 & 240 SCHWANKSee page 20 & 226SMITHS ENVIRONMENTAL PRODUCTSSee page 100 SOLRAY See page 229 & 238page235B20_05_v2.indd 16 03/11/2020 16:12'