Air-conditioning system (except window) installation · Missouri

Knight Heating and Air Conditioning, Inc

Nixa, MO · ~70 workers · 3 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
5.2
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Knight Heating and Air Conditioning, Inc runs at 184% of its industry's injury rate - more dangerous than the typical Air-conditioning system (except window) installation workplace, earning a grade D.

Knight Heating and Air Conditioning, Inc: 5.2 TCR = 184% of Air-conditioning system (except window) installation BLS 2.8 · 3y Form 300A (see methodology below)

Knight Heating and Air Conditioning, Inc safety composite

Knight Heating and Air Conditioning, Inc scores strongest on dart rate (safer than 80% of same-industry peers) and weakest on total case rate (tcr) (safer than 33%), 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

54/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 5.15 per 100 workers

Safer than 33% 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%).

TCR Δ

−11.6

2016→2018

Knight Heating and Air Conditioning, Inc injury rate improved

Knight Heating and Air Conditioning, Inc's TCR fell 11.6 from 11.6 in 2016 to 0.0 in 2018. Peak filing year was 2016 at 11.6 TCR. In 2018, DART was 0× this establishment's average TCR (severity share of cases).

2016=11.6 · 2017=3.8 · 2018=0.0

OSHA ITA Form 300A scorecard

Establishment book 238220 · Nixa, MO ABOVE-IND · SMALL

Grade D · TCR 5.2 · 184% of ind

  • DART 0.0 DART
  • RANK #66/90
  • PHOTO Construction and Ser…
  • BOOK 3y book
  • INJ 8 inj
  • SIZE ~70 FTE

Nearest TCR peer: Construction and Service (0.0 TCR gap)

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

Knight Heating and Air Conditioning, Inc in the TCR neighbourhood

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

TCR

What this shows Knight Heating and Air Conditioning, Inc averages 5.2 TCR (184% 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

Knight Heating and Air Conditioning, Inc TCR series: 2016=11.6 · 2017=3.8 · 2018=0 · BLS 2.8

Where Knight Heating and Air Conditioning, Inc falls in its industry

5,793 Air-conditioning system (excep establishments

Safer than 33% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to Missouri alone (the establishments it most directly competes with for workers and contracts): ranked #66 safest of 90 Air-conditioning system (excep employers in Missouri.

Knight Heating and Air Conditioning, Inc (70 employees, TCR 5.2) 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 Knight Heating and Air Conditioning, Inc
Knight Heating and Air Conditioning, Inc (70 employees, TCR 5.2) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Knight Heating and Air Conditioning, Inc has more employees than the Air-conditioning system (except window) 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
2018 0.0 0.0 0 0 0
2017 3.8 3.8 2 0 0
2016 11.6 3.9 6 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · MO · Nixa

5,793 Air-conditioning system (except window) installation employers nationwide with a credible TCR · 10,075 rated employers in Missouri with headcount on file · 47 employers in Nixa, MO · 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 Construction and Service 5.2 TCR
NAICS-TCR Penfield Plumbing & Heating, Inc. 5.2 TCR
NAICS-TCR Canyon Plumbing 5.2 TCR
NAICS-TCR Wasatch Controls 5.2 TCR
STATE-SIZE St Joseph Service Center 70 FTE
STATE-SIZE NGA - Project Eero 70 FTE
STATE-SIZE Blevins Asphalt Construction. CO. Inc. 70 FTE
STATE-SIZE Sparks Maintenance Contracting 70 FTE
CITY-NEAR WM 2702 436 FTE
CITY-NEAR 2702 356 FTE
CITY-NEAR diversified plastics corp 135 FTE
CITY-NEAR CRJ Aviation, LLC 112 FTE
NAT-TCR Middleburg Heights (Ohmid) 5.2 TCR
NAT-TCR Scs - 1655 Worldwide (Kywrw) 5.2 TCR
NAT-TCR Drake-Williams Steel 5.2 TCR
NAT-TCR 111-115 Thomasville 5.2 TCR
NAT-SIZE Kitchen Systems 70 FTE
NAT-SIZE James River Work Center 70 FTE
NAT-SIZE Gruber Industries, Inc 70 FTE
NAT-SIZE Benchmark-Worthington 70 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: 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.