Pacific Environmental Technologies, Inc. offers a full line of mechanical services across a broad range of industries. Whether it be low leakage cleaned duct for pharmaceutical and demanding electronic applications, standard class duct for commercial applications, exhaust systems, chilled water, hot water or steam systems, PETI can provide cost effective design and installation solutions.

Systems that we are typically involved in include:

• Cold rooms and hot rooms
• Vacuum systems (mechanical pump, water ring)
• Dehumidification systems (refrigerated and desiccant)
• Hot water hydronic systems (gas fired, steam to water)
• Chilled water systems (air cooled, water cooled, evaporative cooled)
• Exhaust duct systems for exhaust benches, hoods, wet sinks, general exhaust
• Humidification systems (electrical, steam to steam, ultrasonic, atomized injection)
• Compressed air systems (clean dry, refrigerated and desiccant, recip., rotary screw)
• Low and medium pressure HVAC duct systems (galvanized, stainless steel and plastics) constant and variable volume

Services that we can provide include:

• Design and engineering
• Duct leak testing
• Equipment startup
• Test & air balance
• IQ and OQ support

If you have process piping applications and system equipment, PETI can handle it. Systems we have designed and installed for satisfied customers include clean dry compressed air, nitrogen, high purity orbital welded systems for H facilities (with gas-leak detection), WFI systems for pharmaceutical applications, fusion sealed systems for high purity water and drainage systems. With ancillary gas-leak detection, water purity, RO-DI systems

Systems that we are typically involved in serve the following industries:

• Electronics
• Bio Medical
• Pharmaceutical
• Semiconductor
• Food processing
• Injection molding
• Micro Electronics
• Optics Laboratories
• Military Research Laboratories
• Aerospace (Commercial and Defense)
• University Laboratories and Cleanrooms

Variable Air Volume box with Hot Water Reheat

210 Ton evaporative cooled direct expansion chiller and beginning stage of a security enclosure

Air Handler with Variable Speed Drive

Chilled/Hot Water pumps and chilled water piping to multiple air-handling units

Chilled/Hot Water piping exiting building (top left) and chilled/hot water pumps & liquid bag filter canister (top right)

110 Ton air-cooled chiller (top left) with pump disconnects, HW/CW piping and expansion tanks (top right) all of which is supported by a purpose built utility pad

Fresh/make-up air is filtered through this outside air assembly (top left) featuring easy to replace high efficiency pre-filters, which is ducted to packaged air conditioning units (top right). The pre-filtered, air conditioned air is then provided to the cleanroom and laboratories in which they serve, but after being filtered a second time through the final room side HEPA or ULPA filtration media