Plumbing/Heating/AC Contractors · Maryland

HVACC, LLC dba HVAC Concepts

Frederick, MD · ~91 workers · 3 years of OSHA Injury Tracking Application data.

B
Good Safety Record
2.0
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

HVACC, LLC dba HVAC Concepts runs at 73% of its industry's injury rate - safer than the typical Plumbing/Heating/AC Contractors workplace, earning a grade B.

HVACC, LLC dba HVAC Concepts: 2.0 TCR = 73% of Plumbing/Heating/AC Contractors BLS 2.8 · 3y Form 300A (see methodology below)

HVACC, LLC dba HVAC Concepts safety composite

HVACC, LLC dba HVAC Concepts 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

68/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 2.03 per 100 workers

Safer than 68% 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

−1.5

2021→2023

HVACC, LLC dba HVAC Concepts injury rate improved

HVACC, LLC dba HVAC Concepts's TCR fell 1.5 from 2.7 in 2021 to 1.2 in 2023. Peak filing year was 2021 at 2.7 TCR. In 2023, DART was 0× this establishment's average TCR (severity share of cases).

2021=2.7 · 2022=2.3 · 2023=1.2

OSHA ITA Form 300A scorecard

Establishment book 238220 · Frederick, MD AT/BELOW-IND · SMALL

Grade B · TCR 2.0 · 73% of ind

  • DART 0.0 DART
  • RANK #47/121
  • PHOTO Mechanical Specialis…
  • BOOK 3y book
  • INJ 5 inj
  • SIZE ~91 FTE

Nearest TCR peer: Mechanical Specialists, Inc. (0.0 TCR gap)

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

HVACC, LLC dba HVAC Concepts in the TCR neighbourhood

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

TCR

What this shows HVACC, LLC dba HVAC Concepts averages 2.0 TCR (73% of the Plumbing/Heating/AC Contractors BLS benchmark).

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

HVACC, LLC dba HVAC Concepts TCR series: 2021=2.7 · 2022=2.3 · 2023=1.2 · BLS 2.8

Where HVACC, LLC dba HVAC Concepts falls in its industry

5,793 Plumbing/Heating/AC Contractor establishments

Safer than 68% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to Maryland alone (the establishments it most directly competes with for workers and contracts): ranked #47 safest of 121 Plumbing/Heating/AC Contractor employers in Maryland.

HVACC, LLC dba HVAC Concepts (91 employees, TCR 2.0) 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 HVACC, LLC dba HVAC Concepts
HVACC, LLC dba HVAC Concepts (91 employees, TCR 2.0) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

HVACC, LLC dba HVAC Concepts has more employees than the Plumbing/Heating/AC Contractors 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
2023 1.2 0.0 1 0 0
2022 2.3 1.1 2 0 0
2021 2.7 2.7 2 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · MD · Frederick

5,793 Plumbing/Heating/AC Contractors employers nationwide with a credible TCR · 7,213 rated employers in Maryland with headcount on file · 267 employers in Frederick, MD · 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 Mechanical Specialists, Inc. 2.0 TCR
NAICS-TCR JND Mechanical 2.0 TCR
NAICS-TCR S.A. Comunale - Cincinnati 2.0 TCR
NAICS-TCR Grand Fire Protection LLC 2.0 TCR
STATE-SIZE Standard Solar, Inc. 91 FTE
STATE-SIZE Harbor Roofing and Contracting, Inc. 2020 91 FTE
STATE-SIZE Linthicum, 805 Pinnacle Drive 91 FTE
STATE-SIZE WASHINGTON DC 91 FTE
CITY-NEAR MD-03 4,250 FTE
CITY-NEAR AstraZeneca Frederick Manufacturing Center 775 FTE
CITY-NEAR AstraZeneca Frederick Manufacturing 711 FTE
CITY-NEAR Thermo Fisher Scientific Frederick, MD (BID - Executive Way) 568 FTE
NAT-TCR Foret Contracting Group 2.0 TCR
NAT-TCR Mid City Motor World 2.0 TCR
NAT-TCR The Meadows of Franklin Grove 2.0 TCR
NAT-TCR Arcimoto AMP 2.0 TCR
NAT-SIZE Toto USA Lakewood 91 FTE
NAT-SIZE AZZ Galvanizing - Crowley 91 FTE
NAT-SIZE The Terrace 91 FTE
NAT-SIZE Parkdale America LLC Plant 3 91 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: 2023, 2022, 2021. 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.