Air-conditioning system (except window) installation · Illinois

Heatmasters, LLC

Chicago, IL · ~26 workers · 6 years of OSHA Injury Tracking Application data.

C
Average Safety Record
3.1
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Heatmasters, LLC runs at 109% of its industry's injury rate - about level with the typical Air-conditioning system (except window) installation workplace, earning a grade C.

Heatmasters, LLC: 3.1 TCR = 109% of Air-conditioning system (except window) installation BLS 2.8 · 6y Form 300A (see methodology below)

Heatmasters, LLC safety composite

Heatmasters, LLC scores strongest on dart rate (safer than 80% of same-industry peers) and weakest on fatalities (safer than 51%), 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).

C

62/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 3.06 per 100 workers

Safer than 53% of industry peers

DART rate
B 0 per 100 workers

Safer than 80% 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%).

Heatmasters, LLC held a steady TCR band

Heatmasters, LLC's TCR held near 0.0 from 0.0 in 2019 to 0.0 in 2024. Peak filing year was 2020 at 13.4 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2019=0.0 · 2020=13.4 · 2021=0.0 · 2022=5.0 · 2023=0.0 · 2024=0.0

OSHA ITA Form 300A scorecard

Establishment book 238220 · Chicago, IL ABOVE-IND · SMALL

Grade C · TCR 3.1 · 109% of ind

  • DART 0.0 DART
  • RANK #150/230
  • PHOTO UNITED MECHANICAL INC.
  • BOOK 6y book
  • INJ 1 inj
  • SIZE ~26 FTE

Nearest TCR peer: UNITED MECHANICAL INC. (0.0 TCR gap)

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

Heatmasters, LLC in the TCR neighbourhood

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

TCR

What this shows Heatmasters, LLC averages 3.1 TCR (109% of the Air-conditioning system (except window) installation BLS benchmark).

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

Heatmasters, LLC TCR series: 2019=0 · 2020=13.4 · 2021=0 · 2022=5 · 2023=0 · 2024=0 · BLS 2.8

Where Heatmasters, LLC falls in its industry

5,793 Air-conditioning system (excep establishments

Safer than 53% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to Illinois alone (the establishments it most directly competes with for workers and contracts): ranked #150 safest of 230 Air-conditioning system (excep employers in Illinois.

Heatmasters, LLC (26 employees, TCR 3.1) 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 Heatmasters, LLC
Heatmasters, LLC (26 employees, TCR 3.1) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Heatmasters, LLC has fewer employees than the Air-conditioning system (except window) median and a lower 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 0.0 0.0 0 0 0
2023 0.0 0.0 0 0 0
2022 5.0 5.0 1 0 0
2021 0.0 0.0 0 0 0
2020 13.4 13.4 0 3 0
2019 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · IL · Chicago

5,793 Air-conditioning system (except window) installation employers nationwide with a credible TCR · 22,804 rated employers in Illinois with headcount on file · 2,934 employers in Chicago, IL · 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 UNITED MECHANICAL INC. 3.1 TCR
NAICS-TCR McClure-State College 3.1 TCR
NAICS-TCR Remco, Inc. - Mechanicsburg 3.1 TCR
NAICS-TCR Indianapolis One Hour Heating & Air Conditioning 3.1 TCR
STATE-SIZE Rock River - Corporate 26 FTE
STATE-SIZE Corporate 26 FTE
STATE-SIZE Hill 'N Dale Farm 26 FTE
STATE-SIZE Jackson Generation 26 FTE
CITY-NEAR Chicago Public Schools 49,500 FTE
CITY-NEAR Chicago/Corporate 18,831 FTE
CITY-NEAR University of Illinois at Chicago 13,092 FTE
CITY-NEAR University Health Service UIC UIC Campus 12,732 FTE
NAT-TCR Erwin Keith Inc. 3.1 TCR
NAT-TCR 0766 - Bend 3.1 TCR
NAT-TCR Timber Products Company LTD CO 3.1 TCR
NAT-TCR CLT-D 3.1 TCR
NAT-SIZE Truck Country -Decorah 26 FTE
NAT-SIZE Turf Star, Inc.- Rancho Cordova 26 FTE
NAT-SIZE Chemeketa Community College, Woodburn 26 FTE
NAT-SIZE Roan Mountain Sawmill 26 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, 2023, 2022, 2021, 2020, 2019. 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.