Heating, ventilation and air-conditioning (HVAC) contractors · California

Air Control Systems Inc.

Ontario, CA · ~118 workers · 2 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
10.1
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Air Control Systems Inc. runs at 359% of its industry's injury rate - far more dangerous than the typical Heating, ventilation and air-conditioning (HVAC) contractors workplace, earning a grade F.

Air Control Systems Inc.: 10.1 TCR = 359% of Heating, ventilation and air-conditioning (HVAC) contractors BLS 2.8 · 2y Form 300A (see methodology below)

Air Control Systems Inc. safety composite

Air Control Systems Inc. scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on total case rate (tcr) (safer than 10%), blended into one 0-100 breakdown against same-industry peers. A missing measure drops out and redistributes its weight rather than deflating the score. This is a per-dimension breakdown, distinct from the single letter grade above it (which weights TCR alone against the BLS industry benchmark).

F

23/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 10.06 per 100 workers

Safer than 10% of industry peers

DART rate
F 4.65 per 100 workers

Safer than 18% of industry peers

Fatalities
D 0

Safer than 51% of industry peers

Benchmarked live against every credibly-rated employer in the same NAICS industry code in the current OSHA extract (a segment must have at least 8 rated peers to benchmark). Not a legal or compliance determination; PlainSafetyScore's own weighting (TCR 40%, DART 35%, fatalities 25%).

TCR Δ

−6.2

2017→2024

Air Control Systems Inc. injury rate improved

Air Control Systems Inc.'s TCR fell 6.2 from 13.2 in 2017 to 7.0 in 2024. Peak filing year was 2017 at 13.2 TCR. In 2024, DART was 0.46× this establishment's average TCR (severity share of cases).

2017=13.2 · 2024=7.0

OSHA ITA Form 300A scorecard

Establishment book 238220 · Ontario, CA ABOVE-IND · MID

Grade F · TCR 10.1 · 359% of ind

  • DART 4.7 DART
  • RANK #512/594
  • PHOTO Brothers Plumbing, H…
  • BOOK 2y book
  • INJ 20 inj
  • SIZE ~118 FTE

Nearest TCR peer: Brothers Plumbing, Heating & Electric (0.0 TCR gap)

Read with this employer → · Industry book → · California employers → · Look up another →

Air Control Systems Inc. in the TCR neighbourhood

Average Total Case Rate among this establishment and nearest same-industry peers

TCR

What this shows Air Control Systems Inc. averages 10.1 TCR (359% of the Heating, ventilation and air-conditioning (HVAC) contractors BLS benchmark).

Source U.S. Department of Labor, OSHA Injury Tracking Application (Form 300A) As of 2026-08-25

Air Control Systems Inc. TCR series: 2017=13.2 · 2024=7 · BLS 2.8

Where Air Control Systems Inc. falls in its industry

5,793 Heating, ventilation and air-c establishments

Safer than 10% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #512 safest of 594 Heating, ventilation and air-c employers in California.

Air Control Systems Inc. (118 employees, TCR 10.1) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3 2×2 strategic matrix plotting 30 entities by Average employees (X) and Total Case Rate (Y), with a crosshair dividing the plot into four quadrants. Larger & higher-riskSmaller & higher-riskLarger & saferSmaller & safer than peers 050100150200250 05101520 Average employees Total Case Rate Air Control Systems Inc.
Air Control Systems Inc. (118 employees, TCR 10.1) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Air Control Systems Inc. has more employees than the Heating, ventilation and air-conditionin median and a higher injury rate than the industry's median TCR of 3.3. Workforce size and injury rate do not always move together within the same industry -- some of its smaller peers run higher rates than its larger ones, and vice versa.

Year-by-Year Safety Data

Year TCR DART Injuries Illnesses Fatalities
2024 7.0 4.7 8 1 0
2017 13.2 4.4 12 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · CA · Ontario

5,793 Heating, ventilation and air-conditioning (HVAC) contractors employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 599 employers in Ontario, CA · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.

Rel Establishment Metric
NAICS-TCR Brothers Plumbing, Heating & Electric 10.1 TCR
NAICS-TCR Elite Heating and AC 10.1 TCR
NAICS-TCR Masters Heating & Cooling, Inc. - Fort Wayne 10.1 TCR
NAICS-TCR Specialized Pipe Technologies - OC 10.1 TCR
STATE-SIZE Prestige Farming inc 118 FTE
STATE-SIZE Cipponeri Orchards 118 FTE
STATE-SIZE PHC Facilities, Inc. dba The Plug DTLA 118 FTE
STATE-SIZE Plug Connection - Lodi 118 FTE
CITY-NEAR Prime Healthcare Services Inc. Location: St. Mary's, Passaic LLC 46-3499370 (HP29) 10,997 FTE
CITY-NEAR CAONA - ONTARIO HUB 4,372 FTE
CITY-NEAR ONTARIO HUB (CAONA) 3,354 FTE
CITY-NEAR Atlantic Solutions Group Inc, Inc. DBA Empire Workforce Solutions 3,240 FTE
NAT-TCR Scottsdale Eye Surgery Center 10.1 TCR
NAT-TCR Brown Foundation Repair LTD 10.1 TCR
NAT-TCR Fire - Station 2 10.1 TCR
NAT-TCR National Distribution Centers LLC-101 Ventura Drive 10.1 TCR
NAT-SIZE Berry Global 118 FTE
NAT-SIZE Industrial Boiler & Mechanical Co Inc 118 FTE
NAT-SIZE Arcadia at Limerick Pointe 118 FTE
NAT-SIZE Vista Hills Health Care Center 118 FTE

Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →

Data Source: OSHA Injury Tracking Application (ITA), mandatory establishment-level injury/illness reports. Grades compare employer Total Case Rate (TCR) to BLS IIF industry benchmarks. Data covers years reported by this establishment: 2024, 2017. This is publicly available government data - not a legal determination of workplace conditions.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from official public datasets. See our methodology for details.