Stop Burning Profits: Maximize Fired Heater Efficiency with Proven Solutions

Patented technology • Measurable ROI • Trusted by top refineries

Furnace Improvements Services (FIS) has been helping refineries improve the efficiency, reliability, and performance of fired heaters for over 29 years. With a focus on solving complex design and operational challenges in the oil and gas industry, our team brings deep engineering expertise backed by proven, patented technologies.

Our Services

  • Fired Heater Revamp

  • Boiler Revamp

  • New Heater and Boiler Design

  • Peep Doors and Spare Parts

  • In-person and Virtual Training

  • Decarbonization Solutions

  • Engineering Studies

  • Trouble Shooting

Our Scope

  • Process Engineering

  • Mechanical Engineering

  • Structural Engineering

  • 3D Modeling

  • CFD Modeling

  • Project Management


By the Numbers

500+

Heater Projects Completed

29

Years in Business

15

Countries Served

4

Patented Technologies

2

Global Offices

Our Services

Since 1996, FIS has specialized in engineering solutions that improve the reliability, efficiency, and lifespan of fired heaters and boilers in the oil and gas industry. We execute turnkey projects covering the engineering, procurement, supply, and construction of fired heaters.

All design and engineering work—including process, mechanical, structural, CFD analysis, 3D modeling, and detailed drawings—is performed in-house. Our services include engineering studies, revamps, equipment supply, troubleshooting, and training. FIS delivers technically sound, cost-effective solutions tailored to the full lifecycle of fired heater systems.

Our Engineering Capabilities includes:

Our Clients

FIS has served clients such as Citgo, Valero, Phillips 66, Alon USA, Frontier, and Total Energies and many more

FIS Patented Technologies

Inclined Firing System

Reduces flame impingement and
high tube metal temperatures

Split Flow Technology

Increases capacity with limited
process side pressure drop

Flue Gas Injection

Reduces coking & tube
metal temperatures

Efficiency Improvement Damper

Safe & Reliable Draft
Control System

Testimonials

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