HVAC - Installation, Repair, Maintenance · Arizona

Hamstra Heating & Cooling, Inc.

Tucson, AZ · ~78 workers · 6 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
9.9
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Hamstra Heating & Cooling, Inc. runs at 354% of its industry's injury rate - far more dangerous than the typical HVAC - Installation, Repair, Maintenance workplace, earning a grade F.

Hamstra Heating & Cooling, Inc.: 9.9 TCR = 354% of HVAC - Installation, Repair, Maintenance BLS 2.8 · 6y Form 300A (see methodology below)

Hamstra Heating & Cooling, Inc. safety composite

Hamstra Heating & Cooling, Inc. scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 1%), 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

18/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 9.92 per 100 workers

Safer than 11% of industry peers

DART rate
F 17.95 per 100 workers

Safer than 1% 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%).

Rising injury rate

Hamstra Heating & Cooling, Inc.: 12.9 → 19.4 TCR

Peak year 2022 @ 19.4 TCR · DART/TCR 1.81× in 2022

Hamstra Heating & Cooling, Inc.'s TCR rose 6.5 from 12.9 in 2016 to 19.4 in 2022. In 2022, DART was 1.81× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 238220 · Tucson, AZ ABOVE-IND · SMALL

Grade F · TCR 9.9 · 354% of ind

  • DART 17.9 DART
  • RANK #108/131
  • PHOTO Hurley & David AC, P…
  • BOOK 6y book
  • INJ 42 inj
  • SIZE ~78 FTE

Nearest TCR peer: Hurley & David AC, Plumbing and Heating (0.0 TCR gap)

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

Hamstra Heating & Cooling, Inc. in the TCR neighbourhood

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

TCR

What this shows Hamstra Heating & Cooling, Inc. averages 9.9 TCR (354% of the HVAC - Installation, Repair, Maintenance BLS benchmark).

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

Hamstra Heating & Cooling, Inc. TCR series: 2016=12.9 · 2017=4.2 · 2018=3 · 2019=7.8 · 2021=12.2 · 2022=19.4 · BLS 2.8

Where Hamstra Heating & Cooling, Inc. falls in its industry

5,793 HVAC - Installation, Repair, M establishments

Safer than 11% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to Arizona alone (the establishments it most directly competes with for workers and contracts): ranked #108 safest of 131 HVAC - Installation, Repair, M employers in Arizona.

Hamstra Heating & Cooling, Inc. (78 employees, TCR 9.9) 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 Hamstra Heating & Cooling, Inc.
Hamstra Heating & Cooling, Inc. (78 employees, TCR 9.9) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Hamstra Heating & Cooling, Inc. has more employees than the HVAC - Installation, Repair, Maintenance 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
2022 19.4 17.9 13 0 0
2021 12.2 10.6 8 0 0
2019 7.8 3.1 5 0 0
2018 3.0 2.2 4 0 0
2017 4.2 4.2 3 0 0
2016 12.9 12.9 9 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · AZ · Tucson

5,793 HVAC - Installation, Repair, Maintenance employers nationwide with a credible TCR · 9,594 rated employers in Arizona with headcount on file · 1,150 employers in Tucson, AZ · 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 Hurley & David AC, Plumbing and Heating 9.9 TCR
NAICS-TCR 20/20 Plumbing & Heating, Inc. 9.9 TCR
NAICS-TCR 6002_14232 9.9 TCR
NAICS-TCR Standard Heating and Air Conditioning 9.9 TCR
STATE-SIZE Southwest Energy Solutions (North / SGS) 78 FTE
STATE-SIZE GWRC 78 FTE
STATE-SIZE Sollers Construction, LLC 78 FTE
STATE-SIZE Davis And Sons Doors LLC 78 FTE
CITY-NEAR University of Arizona 18,951 FTE
CITY-NEAR Raytheon_Tucson_AZ_Airport Site 9,878 FTE
CITY-NEAR Tucson Medical Center 4,407 FTE
CITY-NEAR U.S. Border Patrol Sector - Tucson 3,989 FTE
NAT-TCR Goodwill of Colorado Belleview 9.9 TCR
NAT-TCR Northstar Pulp & Paper Co Inc 9.9 TCR
NAT-TCR 0069 - Billings Mt Whse 9.9 TCR
NAT-TCR 0662 - Burlington Wa Whse 9.9 TCR
NAT-SIZE SilverCrest Properties LLC Summit Place 78 FTE
NAT-SIZE SilverCrest Properties LLC Parkshore 78 FTE
NAT-SIZE Imperial Building Maintenance 78 FTE
NAT-SIZE Sparks Medical Center 78 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: 2022, 2021, 2019, 2018, 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.