HVAC (heating, ventilation and air-conditioning) contractors · Idaho

Thornton Heating

Ketchum, ID · ~43 workers · 6 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
8.5
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Thornton Heating runs at 302% of its industry's injury rate - far more dangerous than the typical HVAC (heating, ventilation and air-conditioning) contractors workplace, earning a grade F.

Thornton Heating: 8.5 TCR = 302% of HVAC (heating, ventilation and air-conditioning) contractors BLS 2.8 · 6y Form 300A (see methodology below)

Thornton Heating safety composite

Thornton Heating scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 13%), 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 8.46 per 100 workers

Safer than 15% of industry peers

DART rate
F 5.76 per 100 workers

Safer than 13% 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

−3.9

2018→2024

Thornton Heating injury rate improved

Thornton Heating's TCR fell 3.9 from 9.7 in 2018 to 5.8 in 2024. Peak filing year was 2021 at 10.3 TCR. In 2024, DART was 0.68× this establishment's average TCR (severity share of cases).

2018=9.7 · 2019=9.7 · 2020=8.7 · 2021=10.3 · 2023=6.7 · 2024=5.8

OSHA ITA Form 300A scorecard

Establishment book 238220 · Ketchum, ID ABOVE-IND · SMALL

Grade F · TCR 8.5 · 302% of ind

  • DART 5.8 DART
  • RANK #23/30
  • PHOTO Horizon Services - MD
  • BOOK 6y book
  • INJ 19 inj
  • SIZE ~43 FTE

Nearest TCR peer: Horizon Services - MD (0.0 TCR gap)

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

Thornton Heating in the TCR neighbourhood

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

TCR

What this shows Thornton Heating averages 8.5 TCR (302% of the HVAC (heating, ventilation and air-conditioning) contractors BLS benchmark).

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

Thornton Heating TCR series: 2018=9.7 · 2019=9.7 · 2020=8.7 · 2021=10.3 · 2023=6.7 · 2024=5.8 · BLS 2.8

Where Thornton Heating falls in its industry

5,793 HVAC (heating, ventilation and establishments

Safer than 15% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to Idaho alone (the establishments it most directly competes with for workers and contracts): ranked #23 safest of 30 HVAC (heating, ventilation and employers in Idaho.

Thornton Heating (43 employees, TCR 8.5) 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 Thornton Heating
Thornton Heating (43 employees, TCR 8.5) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Thornton Heating has fewer employees than the HVAC (heating, ventilation and air-condi 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 5.8 5.8 3 0 0
2023 6.7 2.2 3 0 0
2021 10.3 5.2 4 0 0
2020 8.7 0.0 3 0 0
2019 9.7 0.0 3 0 0
2018 9.7 0.0 3 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · ID · Ketchum

5,793 HVAC (heating, ventilation and air-conditioning) contractors employers nationwide with a credible TCR · 2,774 rated employers in Idaho with headcount on file · 6 employers in Ketchum, ID · 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 Horizon Services - MD 8.5 TCR
NAICS-TCR ABC Plumbing, Air, and Heat 8.5 TCR
NAICS-TCR Southeast Duct Specialist Inc 8.5 TCR
NAICS-TCR FRANK MARRONE & SONS, INC. 8.5 TCR
STATE-SIZE Wilson Creek Cattle Feeders 43 FTE
STATE-SIZE Nampa TCA 43 FTE
STATE-SIZE Filer, ID 43 FTE
STATE-SIZE Franz Bakery -Alpicella 43 FTE
CITY-NEAR Ketchum 123 FTE
CITY-NEAR Limelight Hotel Ketchum 114 FTE
CITY-NEAR Native Landscapes Inc 57 FTE
CITY-NEAR Sawtooth Brewery Public House 33 FTE
NAT-TCR Horizon Services - MD 8.5 TCR
NAT-TCR Boutte Tree, Inc. 8.5 TCR
NAT-TCR Barletta Contracting Services 8.5 TCR
NAT-TCR North Lincoln Hospital 8.5 TCR
NAT-SIZE Florida Erection Service, Inc 43 FTE
NAT-SIZE Brilex Industries, Inc P2 43 FTE
NAT-SIZE RMA Visalia Rd Yd 43 FTE
NAT-SIZE K&M Tire Chicago 43 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, 2021, 2020, 2019, 2018. 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.