Central air-conditioning equipment installation · Ohio

WF Hann and Sons

Warrensville Hts., OH · ~59 workers · 2 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
7.3
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

WF Hann and Sons runs at 262% of its industry's injury rate - far more dangerous than the typical Central air-conditioning equipment installation workplace, earning a grade F.

WF Hann and Sons: 7.3 TCR = 262% of Central air-conditioning equipment installation BLS 2.8 · 2y Form 300A (see methodology below)

WF Hann and Sons safety composite

WF Hann and Sons scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on total case rate (tcr) (safer than 19%), 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).

D

36/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 7.34 per 100 workers

Safer than 19% of industry peers

DART rate
D 1.5 per 100 workers

Safer than 46% 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

−11.7

2016→2017

WF Hann and Sons injury rate improved

WF Hann and Sons's TCR fell 11.7 from 13.2 in 2016 to 1.5 in 2017. Peak filing year was 2016 at 13.2 TCR. In 2017, DART was 0.2× this establishment's average TCR (severity share of cases).

2016=13.2 · 2017=1.5

OSHA ITA Form 300A scorecard

Establishment book 238220 · Warrensville Hts., OH ABOVE-IND · SMALL

Grade F · TCR 7.3 · 262% of ind

  • DART 1.5 DART
  • RANK #273/300
  • PHOTO Central Mechanical S…
  • BOOK 2y book
  • INJ 8 inj
  • SIZE ~59 FTE

Nearest TCR peer: Central Mechanical Systems (0.0 TCR gap)

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

WF Hann and Sons in the TCR neighbourhood

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

TCR

What this shows WF Hann and Sons averages 7.3 TCR (262% 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

WF Hann and Sons TCR series: 2016=13.2 · 2017=1.5 · BLS 2.8

Where WF Hann and Sons falls in its industry

5,793 Central air-conditioning equip establishments

Safer than 19% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to Ohio alone (the establishments it most directly competes with for workers and contracts): ranked #273 safest of 300 Central air-conditioning equip employers in Ohio.

WF Hann and Sons (59 employees, TCR 7.3) 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 WF Hann and Sons
WF Hann and Sons (59 employees, TCR 7.3) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

WF Hann and Sons has fewer 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
2017 1.5 1.5 1 0 0
2016 13.2 11.3 7 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · OH · Warrensville Hts.

5,793 Central air-conditioning equipment installation employers nationwide with a credible TCR · 22,650 rated employers in Ohio with headcount on file · 3 employers in Warrensville Hts., OH · 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 Central Mechanical Systems 7.3 TCR
NAICS-TCR Climate Pros Atlanta 7.3 TCR
NAICS-TCR Coolsys SLC 7.3 TCR
NAICS-TCR Bayside Comfort Inc 7.3 TCR
STATE-SIZE Transmission Columbus Svc Ctr 59 FTE
STATE-SIZE JK Excavating, Inc. 59 FTE
STATE-SIZE Brumbaugh Construction, Inc 59 FTE
STATE-SIZE Moraine Office & Miscellaneous Projects 59 FTE
CITY-NEAR South Pointe Hospital 1,058 FTE
CITY-NEAR Catts Construction Inc. 103 FTE
NAT-TCR CB103 - Hoffman Estates, IL 7.3 TCR
NAT-TCR Quikrete - HOUS 7.3 TCR
NAT-TCR Amarillo (Txama) 7.3 TCR
NAT-TCR Home Solutions - York - 2439 7.3 TCR
NAT-SIZE Aerobraze OKC 59 FTE
NAT-SIZE Ritter Communications - Millington 59 FTE
NAT-SIZE Big Save - Koloa 59 FTE
NAT-SIZE Legends - Ascend Amphitheater 59 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: 2017, 2016. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.