Airef manufactures high efficiency heat transfer coils for replacement or special purposes in the following types :
1. WATER COILS (CHILLED WATER/ HOT WATER)
2. DIRECT EXPANSION (DX) COILS
3. STEAM COILS – The coils are available in tube 0D 9.52mm, 12.7 mm or 15.8 mm, and fin spacing of 4-13 fins per inch. The coils can be made from 1 to 12 rows deep.
All coils are pressure tested for leakage. With dry air at 650 psi under water.