State-of-the-art engineering and design of fired and unfired heat transfer equipment — fired heaters, heat exchangers, heat pumps, heat pump water heaters, vacuum pumps, boilers, and HRSGs — for power, refinery, oil & gas, petrochemical, energy, and process industries. Serving all of California & Alaska.

ELPI Engineering is a registered, State of California, professional engineering consulting firm with capability of providing in-depth innovative quality consulting services that are based on the most current technologies available. We provide state-of-the-art designs and engineering services in mechanical engineering: process, oil and gas, energy, petrochemical, chemical, pharmaceutical, general industries, and power engineering fields.
We use exclusive in-house developed computer programs for rating & design of Fired Heaters, Heat Exchangers, and Boilers. Commercial programs like FRNC-5, TDST, ProVESSEL, COMPRESS, are also available on a fee basis.
Various exchanger design configurations per current industry, TEMA and ASME standards & Codes: Shell & Tube, Rodbaffle, twisted tube, Frame & Plate Heat Exchangers, etc.
Heater of various configurations and different applications can be designed, including but not limited to: Atmospheric or / and Vacuum Crude, Platformers, Reboilers, Circulating Oil Heaters, Cokers and Vis Breakers, Steam Superheaters, Reformers and Cracking Furnaces. Beside the heaters, programs can be used for Waste Heat Boilers & Heat Recovery Steam Generators (HRSGs) per API 534. Centrifugal Fans per API 560 - Appendix E.
From our Seal Beach headquarters, ELPI Engineering provides heat transfer and thermal design for clients throughout Huntington Beach, Irvine, Newport Beach, Costa Mesa, Long Beach, and greater Orange County and Los Angeles County — plus projects across California and Alaska, with P.E.-stamped drawings for plan check.
We also provide MEP Engineering, Structural Engineering and P&ID / Process Engineering — and the full list of cities and regions we serve.
Discuss Your ProjectServing all of California & Alaska