Boiler Service | Southern & Central California 

Los Angeles County, Orange County, San Diego County, San bernardino County, Riverside County, Ventura County and surrounding counties


Powerhouse Combustion & Mechanical Corporation is first and foremost a full service provider of mechanical and combustion services. We specialize in boiler service across all industries throughout Southern California.

We exist to raise the bar on services provided in this industry. Many of our competitors sell equipment first and service is just a necessary evil. Our philosophy is the opposite. Service first. Our technicians, mechanics, boiler makers, welders, office staff and executives are well trained and share this mindset. Our field staff is well trained on most equipment in use today across a multitude of industries and applications.


  • AQMD Periodic Emissions Testing
  • Monthly / Quarterly Inspections & Testing
  • Semi-Annual / Annual Inspections & Testing
  • Source Testing & Compliance Testing
  • Low Emission Boiler / Combustion Equipment Sales
  • Low NOx Equipment Selection Expertise
  • Permitting and NOV Resolution
  • Flow Meter Certification


  • 24/7 Emergency Service
  • Preventative Maintenance Services
  • Semi-Annual / Annual Inspections
  • Parts Replacement / Parts Sales
  • Pressure Vessel Repairs
  • Retubes / R Stamp Repair
  • Retrofits
  • Refractory & Insulation
  • ASME & National Board Certified Welding
  • Electrical & Controls


  • ASME Piping & Vessel
  • National Board Piping / Repair
  • Expansion Joints / Seismic
  • Custom Fabrication
  • Structural
  • Venting / Ducting
  • ASME B31.1 / B31.3


23 Spare Boiler Room Parts to Keep on Hand

Spare Boiler Parts To Keep on Hand

An important part of maintaining your critical infrastructure is ensuring you have parts on hand in the event of an unexpected failure of your critical equipment. Having spare parts for your boiler’s mission critical components is a great way to avoid costly downtime when something fails. You will also potentially save money on emergency calls, expedited shipping, and extended unplanned downtime. But, what parts should you keep on hand and how many do you need? In this article we break down 23 key boiler spare parts and suggested quantities every boiler operator should consider keeping on hand.

a man checking the boiler

Steam Boiler Maintenance – Improve Performance Now: 3 Tips for Maintaining your Steam Boilers

Most staffs these days are overwhelmed and stretched in so many different directions that it can be easy to overlook things that are not “on fire”. Little problems that are easily fixed can quickly become large expensive problems that cost you money, time and more. As steam boiler maintenance and repair experts we have seen it all. A little leak or crack or debris seems like no big deal. There are too many other important issues that require immediate attention. But then that little crack or leak or debris turns into a big crack or a giant leak or any number of issues that can cause catastrophic equipment failures and lead to unplanned downtime, emergency overtime, and expensive equipment purchases. We have good news though… Most of these emergencies can be avoided if you follow these 3 critical Steam Boiler Maintenance tips.


PHCM Dispatch Snapshot Recap – August 2022

In case you missed it, we have compiled a recap of our dispatch snapshots from August 2022. Each week we select approximately 10 +/- work orders to highlight on our website. The dispatch snapshot is updated weekly. The current dispatch summary is displayed directly below the main image on our home page. This post lists…



The Powerhouse Combustion & Mechanical Corporation team will be with you every step of the way from concept to completion and beyond for your boiler project. Our team can assist in the planning and concept/ purchase / installation /start up process / warranty and on-going service and maintenance.


  • Facility Needs Assessments
  • Expert Guidance on Equipment Sizing / Selection / Regulatory
  • Equipment Sales
  • Turnkey Installation
  • Controls Integration
  • Design / Engineering
  • Custom Manufacturing
  • Equipment Removal / Demolition
  • Rental Boilers


  • Connections
  • Utility Coordination
  • Testing
  • On-Site Training
  • Training Documentation
  • O & M Manuals
  • Factory Authorized Startups
  • Boil Out Services
  • Warranty Validation Services
  • Combustion Tuning / Commissioning

Powerhouse services all of the process related equipment at your facility. We take pride in the fact that we are one of the true TURNKEY companies in the industry. From the construction of a new boiler plant, to the replacement of multiple boilers, to the retube of existing boilers or heat exchangers, Powerhouse is your single source.

Pipeline projects? No problem.

Cooling tower replacement with helicopter lifts in the middle of downtown L.A.? No problem.

Need an emergency retube on a firetube boiler? No problem.

Powerhouse's experience covers the entire spectrum of the mechanical industry.


Powerhouse specializes in everything combustion related, large and small.

Whether it be an atmospheric oil heater burner or a forced draft burner on a hot water heater, Powerhouse combustion technicians can tune and repair it.

Have a duct heater on your Co-Gen System? What about an oil fired steam boiler for your vessels' engines? The answer- Powerhouse.

200,000 PPH steam boiler with multiple cell burners? How about a surface combustion premix burner? Powerhouse is factory trained and authorized by more manufacturers than any other single competitor.

We service and sell virtually any piece of equipment that has a flame.

At Powerhouse, we pride ourselves in rapid scalability to handle all projects- large or small. As a general contractor with specialty licenses, we are able to manage and coordinate all of our services in-house and with the coordination of our affiliates and partners.

Foundation work, process piping, utilities, structural steel fabrication/erection, building modification, engineering, and permitting are just some of the areas in which Powerhouse applies our same visionary work standards and management skills to on a daily basis.

Our workforce consists of permanent hire skilled team members, rather than temporary labor outsourcing.

Our construction engineering partnerships include structural, civil, electrical, mechanical, and specialty process design.

Our combustion engineering partnerships give us the capability to perform cold flow modeling and thermal heat transfer analysis for highly customized applications.


The Powerhouse team is comprised of the next generation of process control specialists.

We can provide troubleshooting and repair services for your entire facility, whether it be a building management system for a high rise on Wilshire Blvd, or a power generation unit.

We specialize in process control automation, combustion controls, and PLCs. Powerhouse also performs electrical installation, from motor control centers to wireless I/O racks in tank farms.

Need a simple flame safeguard control?
We do that.

Need a new HMI touchscreen for your bottling line?
We do that.

Need your entire refinery integrated into a new DCS?
We do that.

On any given day, Powerhouse has a fleet of combustion technicians serving our customers around southern California.

All technicians carry AQMD certified combustion analyzers, capable of the lowest NOx measurements available, with immediate electronic file test and data logging reports capabilities.

All of our technicians are certified by numerous air quality control districts for emissions tune ups, periodic monitoring protocol, and various other emissions requirements.

Coordination of permitting, protocol formation, and compliance testing are part of our turnkey package.

In addition, we sell some of the most advanced and reliable emissions-reducing equipment on the market.

Powerhouse has decades of combined refractory installation experience. We offer the finest products and installation methods in monolithics and castings, composite linings, ram set linings, and ceramic fiber linings. We perform on site demolition and installation of equipment floors, doors, chambers, furnaces, stacks, etc

In addition, Powerhouse can fabricate custom shapes and forms, in-house or on-site, with complete shutdown- start up- bake out services.

Powerhouse also installs custom hot/cold insulation for pipes, tanks, heat exchangers, and boilers. Pipeline insulation for hot water, steam, condensate, thermal fluid, and refrigerant lines.

Drawing upon decades of experience, Powerhouse-Combustion maintains an ASME compliant welding department. 

We provide skilled welders for on-site or in-house fabrication.

Qualified procedures are in place for pressure piping, power piping, structural steel, and pressure vessels.

We maintain a library of methods for multiple alloys for every possible application.