Industrial Boiler Service, Repair, and Engineering in California

24/7 emergency service, preventative maintenance, code repairs, retubes, burner work, and turnkey installation. We service and repair McKenna boilers and other brands.

Last updated October 16, 2026
ASME S · H · M · U

Code-built boilers and vessels

National Board R

Code repairs, any brand

Autoflame

Factory-authorized Tech Center

Limpsfield

Factory-authorized Burner Tech Center

Since 1921

Fifth generation, family-owned

QUICK ANSWER

McKenna Boiler Works, Inc. services, repairs, and installs industrial boilers across California. Service includes 24/7 emergency response with a live person answering the phone, preventative maintenance and annual service contracts, code repairs under the National Board R certificate, retubes, refractory, combustion tuning, and ultra-low NOx burner retrofits. McKenna services McKenna boilers and other brands, engineers and installs boiler systems, and starts up and commissions the boilers and systems it builds and the retrofits it installs. Call (323) 987-1816 or email info@mckennaboiler.com.

24/7 emergency service

Boiler down? Call (323) 987-1816.

A live person answers 24 hours a day, and an on-call McKenna technician gets to you as soon as possible. We service McKenna boilers and other brands.

One accountable company

Why plants use McKenna for service.

Other brands

We service and repair McKenna boilers and other brands in your boiler room.

See every brand we service →

Code repairs in house

Our National Board R certificate covers code repairs and alterations, so the job doesn’t wait on another company.

Engineers behind the techs

The same engineers who design our boilers back up our field crews on hard problems.

One call

Service, parts, rentals, and replacement. We aren’t always the cheapest; you get one company accountable for the whole job.

Start to finish

How a service call runs.

01

Call us

A live person answers (323) 987-1816, 24 hours a day.

02

Diagnosis on site

A McKenna technician diagnoses the boiler, burner, and controls on site.

03

Repair

Repairs, parts from our shelf, and code repairs under our R certificate. If the boiler can’t be fixed right away, a rental boiler can keep the plant running.

04

Follow-up

Our office follows up after the job and schedules the next maintenance visit.

Our work

McKenna firetube boilers with red burners lined up in the shop
Row of McKenna-built boilers on the shop floor
McKenna boiler package with firetube boiler, feedwater tank, and blowdown tank (3D render)

FAQ

Service questions we hear most.

McKenna Boiler Works, Inc. services, repairs, and installs industrial boilers across California. McKenna has been family-owned since 1921, builds its own boilers, and services McKenna boilers and other brands.

Yes. McKenna Boiler Works, Inc. services and repairs McKenna boilers and other brands of industrial boilers, and makes code repairs on boilers and pressure vessels from any manufacturer under its National Board R certificate.

Yes. A live person answers (323) 987-1816 24 hours a day, and an on-call McKenna Boiler Works, Inc. technician gets to the site as soon as possible, anywhere in California.

An R stamp repair is a repair or alteration to a boiler or pressure vessel made under a National Board R certificate, following the National Board Inspection Code. McKenna Boiler Works, Inc. holds the R certificate and makes code repairs on any brand.

Yes. McKenna Boiler Works, Inc. offers annual service contracts with planned preventative maintenance visits through the year.

Tell us what the boiler is doing.

Service, repairs, and installation for McKenna boilers and other brands, across California.

Serving all of California · Family-owned since 1921

Request a Quote

Tell us what you need.

Fill in what you know. A McKenna engineer will review it and get back to you. Need help now? Call (323) 987-1816.