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

Professional Thermal Systems, Inc

Name: Professional Thermal Systems, Inc Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Howell, MI · ~64 workers · 3 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · September 26, 2026

C
Average Safety Record: 0.0
Avg TCR: 2.8
Industry avg: 0
Fatalities

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The verdict

Professional Thermal Systems, Inc runs at 0% of its industry's injury rate - about level with the typical HVAC (heating, ventilation and air-conditioning) contractors workplace, earning a grade C.

Professional Thermal Systems, Inc: 0.0 TCR = 0% of HVAC (heating, ventilation and air-conditioning) contractors BLS 2.8 · 3y Form 300A (see methodology below)

Professional Thermal Systems, Inc safety composite

Professional Thermal Systems, Inc scores strongest on total case rate (tcr) (safer than 100% 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).

81/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): A 0 per 100 workers

Safer than 100% 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%).

Professional Thermal Systems, Inc held a steady TCR band

Professional Thermal Systems, Inc's TCR held near 0.0 from 0.0 in 2022 to 0.0 in 2024. Peak filing year was 2022 at 0.0 TCR.

2022=0.0 · 2023=0.0 · 2024=0.0

OSHA ITA Form 300A scorecard

Establishment book 238220 · Howell, MI AT/BELOW-IND · SMALL

Grade C · TCR 0.0 · 0% of ind

DART 0.0 DART
RANK #0/153
PHOTO Spectrum Mechanical,…
BOOK 3y book
INJ 0 inj
SIZE ~64 FTE

Nearest TCR peer: Spectrum Mechanical, LLC (0.0 TCR gap)

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

Houston, TX HV

0.1
Automated Logi

0.1
This site

0
Spectrum Mecha

0
NXP Semiconduc

0

What this shows Professional Thermal Systems, Inc averages 0.0 TCR (0% of the HVAC (heating, ventilation and air-conditioning) contractors BLS benchmark).

Professional Thermal Systems, Inc TCR series: 2022=0 · 2023=0 · 2024=0 · BLS 2.8

Where Professional Thermal Systems, Inc falls in its industry

5,793 HVAC (heating, ventilation and establishments

Safer than 100% of graded establishments in this industry, whose median TCR is 3.3.

Grade C

More dangerous than peersSafer than peers

Narrower to Michigan alone (the establishments it most directly competes with for workers and contracts): ranked #0 safest of 153 HVAC (heating, ventilation and employers in Michigan.

Professional Thermal Systems, Inc (64 employees, TCR 0.0) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Professional Thermal Systems, Inc has more employees than the HVAC (heating, ventilation and air-condi 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	0.0	0.0	0	0	0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · MI · Howell

5,793 HVAC (heating, ventilation and air-conditioning) contractors employers nationwide with a credible TCR · 16,393 rated employers in Michigan with headcount on file · 94 employers in Howell, MI · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.

Rel	Establishment	Place	Metric
NAICS-TCR	Spectrum Mechanical, LLC	CLEARWATER, FL	0.0 TCR
NAICS-TCR	NXP Semiconductors	AUSTIN, TX	0.0 TCR
NAICS-TCR	Houston, TX HVAC	HOUSTON, TX	0.1 TCR
NAICS-TCR	Automated Logic Controls (Midwest)	ST. PAUL, MN	0.1 TCR
STATE-SIZE	TMP OPCO LLC	WESTLAND	64 FTE
STATE-SIZE	Symphony Diagnostic Southfield	SOUTHFIELD	64 FTE
STATE-SIZE	256760-NILES PO	NILES	64 FTE
STATE-SIZE	Laurels of Fulton	PERRINTON	64 FTE
CITY-NEAR	Thai Summit America	Howell	797 FTE
CITY-NEAR	Livingston County	Howell	721 FTE
CITY-NEAR	Saint Joseph Mercy Livingston Hospital	Howell	708 FTE
CITY-NEAR	Trinity Health St. Joseph Mercy Livingston	Howell	488 FTE
NAT-TCR	Putzel Electrical Contractors, Inc.	Norcross, GA	0.0 TCR
NAT-TCR	Other Location	Roanoke, VA	0.0 TCR
NAT-TCR	TXC101551	Irving, TX	0.0 TCR
NAT-TCR	EPIC Tampa	Tampa, FL	0.0 TCR
NAT-SIZE	Astoria Place of Clyde, LLC	Clyde, OH	64 FTE
NAT-SIZE	DSS025	Norwich, CT	64 FTE
NAT-SIZE	Mitsubishi Logistics America Corporation	Torrance, CA	64 FTE
NAT-SIZE	Carrier Commercial Services (New York)	New York, NY	64 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. 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.