Central air-conditioning equipment installation · California

Aliso Air, Inc.

Rancho Santa Margarita, CA · ~93 workers · 4 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
8.9
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Aliso Air, Inc. runs at 317% of its industry's injury rate - far more dangerous than the typical Central air-conditioning equipment installation workplace, earning a grade F.

Aliso Air, Inc.: 8.9 TCR = 317% of Central air-conditioning equipment installation BLS 2.8 · 4y Form 300A (see methodology below)

Aliso Air, Inc. safety composite

Aliso Air, Inc. scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 9%), 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

21/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 8.88 per 100 workers

Safer than 13% of industry peers

DART rate
F 7.08 per 100 workers

Safer than 9% 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

−8.6

2017→2023

Aliso Air, Inc. injury rate improved

Aliso Air, Inc.'s TCR fell 8.6 from 16.9 in 2017 to 8.3 in 2023. Peak filing year was 2017 at 16.9 TCR. In 2023, DART was 0.8× this establishment's average TCR (severity share of cases).

2017=16.9 · 2020=9.3 · 2022=1.1 · 2023=8.3

OSHA ITA Form 300A scorecard

Establishment book 238220 · Rancho Santa Margarita, CA ABOVE-IND · SMALL

Grade F · TCR 8.9 · 317% of ind

  • DART 7.1 DART
  • RANK #484/594
  • PHOTO Waychoff's Heating &…
  • BOOK 4y book
  • INJ 29 inj
  • SIZE ~93 FTE

Nearest TCR peer: Waychoff's Heating & Air (0.0 TCR gap)

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

Aliso Air, Inc. in the TCR neighbourhood

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

TCR

What this shows Aliso Air, Inc. averages 8.9 TCR (317% of the Central air-conditioning equipment installation BLS benchmark).

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

Aliso Air, Inc. TCR series: 2017=16.9 · 2020=9.3 · 2022=1.1 · 2023=8.3 · BLS 2.8

Where Aliso Air, Inc. falls in its industry

5,793 Central air-conditioning equip establishments

Safer than 13% 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 #484 safest of 594 Central air-conditioning equip employers in California.

Aliso Air, Inc. (93 employees, TCR 8.9) 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 Aliso Air, Inc.
Aliso Air, Inc. (93 employees, TCR 8.9) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Aliso Air, Inc. has more employees than the Central air-conditioning equipment insta 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
2023 8.3 7.1 7 0 0
2022 1.1 1.1 1 0 0
2020 9.3 6.6 7 0 0
2017 16.9 9.6 14 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · CA · Rancho Santa Margarita

5,793 Central air-conditioning equipment installation employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 32 employers in Rancho Santa Margarita, 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 Waychoff's Heating & Air 8.9 TCR
NAICS-TCR The Waterworks 8.9 TCR
NAICS-TCR Green Air, Inc. 8.9 TCR
NAICS-TCR Manhattan Mechanical Contractors INC 8.9 TCR
STATE-SIZE Mt. View Farming, Inc. 93 FTE
STATE-SIZE PAC-MAN 93 FTE
STATE-SIZE E A & T 93 FTE
STATE-SIZE Mountain Meadow Mushroom Farms, Inc. 93 FTE
CITY-NEAR Applied Medical 4,417 FTE
CITY-NEAR O'Connell Landscape Maintenance 1,224 FTE
CITY-NEAR Circle M Contractors 574 FTE
CITY-NEAR Control Components Inc 280 FTE
NAT-TCR St. Luke's Nampa Medical Center, Ltd. 8.9 TCR
NAT-TCR Bausum & Duckett Electric LLc 8.9 TCR
NAT-TCR Big Lots Store #1846 Akron, OH 8.9 TCR
NAT-TCR JERO 8.9 TCR
NAT-SIZE Watts Electric Company 93 FTE
NAT-SIZE Flanders Industries, Inc 93 FTE
NAT-SIZE Negociado Maritimo - Muelle Navy Frontier 93 FTE
NAT-SIZE Groendyke Transport - Wichita 93 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: 2023, 2022, 2020, 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.