Air Permits and Source Testing for Boilers in California

Air district permit support, burner tuning before the test, and on-site support during source testing, so your boiler meets its NOx and CO limits.

SHMU
ASME S · H · M · U

Code-built boilers and vessels

National Board R

Code repairs and alterations

Autoflame
Autoflame

Factory-authorized Tech Center

Limpsfield
Limpsfield

Factory-authorized Burner Tech Center

McKenna flame
Since 1921

Fifth generation, family-owned

QUICK ANSWER

McKenna Boiler Works, Inc. helps plants across California keep boilers in compliance with their air district permits. On McKenna boilers and other brands, McKenna supports permit applications for new, replaced, and retrofitted boilers, tunes burners before source tests, is on site during the test to make adjustments, and performs periodic portable analyzer checks. McKenna technicians are certified by South Coast AQMD for portable analyzer testing. For boilers of 2,000,000 Btu/hr or less, McKenna has units pre-certified to South Coast AQMD Rule 1146.2. Family-owned since 1921. Call (323) 987-1816 or email info@mckennaboiler.com.

What we do

Air permit and source test support.

Exhaust stack against the sky

Air districts

Air district rules we work with.

South Coast AQMD

Rules 1146, 1146.1, and 1146.2 for boilers by size.

San Diego County APCD

Rules 69.2, 69.2.1, and 69.2.2.

San Joaquin Valley APCD

Rule 4320 and Rules 4306 through 4308.

Other districts

Bay Area AQMD Regulation 9, Rules 6 and 7; Sacramento Metropolitan AQMD Rules 411 and 414; Ventura County APCD Rules 74.15 and 74.15.1; and other districts with their own limits.

McKenna recommends quarterly combustion tuning between tests. South Coast AQMD Rule 1146 requires monthly portable analyzer checks until three compliant checks in a row allow quarterly checks.

How it runs

How source test support runs.

01

Review the permit

We read your permit conditions and the limits the boiler has to meet.

02

Pre-test tuning

We check and tune the burner across the firing range before test day.

03

Test day

We’re on site with the boiler during the source test to make adjustments.

04

Keep it in compliance

Quarterly tuning and combustion records between tests.

Why McKenna

Why plants use McKenna for air compliance.

Burner and controls Tech Centers

Factory-authorized Limpsfield Burner Tech Center and Autoflame Tech Center.

Rule 1146.2 units

For boilers of 2,000,000 Btu/hr or less, units pre-certified to South Coast AQMD Rule 1146.2.

Retrofits when needed

Ultra-low NOx burner retrofits, as low as 2.5 ppm NOx (corrected to 3% O2) on select models.

One company

Permit support, tuning, testing support, and retrofits.

Project photos

Limpsfield ultra-low NOx burner and blower on a McKenna boiler
Autoflame exhaust gas analyzer. Image courtesy of Autoflame.
Boiler stack installed above the roof line

FAQ

Air permit questions we hear most.

McKenna Boiler Works, Inc. supports air district permit applications and source testing for boilers across California, and tunes and retrofits burners to meet NOx and CO limits.