Motor carrier · USDOT 3366146

MOUNTAIN AIR HEATING COOLING & REFRIGERATION INC, Yreka, CA: USDOT 3366146 safety record, inspections, out-of-service, crashes

4Power units
1Drivers
0Roadside inspections on file
0With an out-of-service order
0Crashes on file

Fleet and drivers are as MOUNTAIN AIR HEATING COOLING & REFRIGERATION INC filed them on its MCS-150, last updated March 25, 2025. The carrier has been on the FMCSA register since December 6, 2019.

What the register holds for MOUNTAIN AIR HEATING COOLING & REFRIGERATION INC: its USDOT number, its address in Siskiyou County, its operating authority, its fleet of 4 power units and 1 drivers; FMCSA has not rated it. Velarion’s copy of the inspection and crash files holds no inspection and no crash for USDOT 3366146.

Identity

Legal name as filed	MOUNTAIN AIR HEATING COOLING & REFRIGERATION INC
USDOT number	3366146
Status on the census	Active
Address	Yreka, CA 96097
County	Siskiyou County
Operating authority	Intrastate Non-Hazmat Carriers
Hazardous materials	Does not carry hazardous materials
Safety rating	Not rated
Power units	4 (4 trucks)
Drivers	1 (0 with a CDL)
On the register since	December 6, 2019
MCS-150 last filed	March 25, 2025
MCS-150 annual mileage	50,000 miles (2024)
Cargo carried	Building Materials; Construction

Roadside inspections

0Inspections
0Any out-of-service order
0Driver out of service
0Vehicle out of service

Velarion’s copy of the inspection file holds no inspection for USDOT 3366146.

Crashes

0Crashes
0With a fatality
0With an injury

Velarion’s copy of the crash file holds no crash for USDOT 3366146.

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Nearby on the register

Figures from the FMCSA Company Census File, loaded October 15, 2026, and FMCSA’s inspection and crash files.

How this page was built: FMCSA Company Census File, read October 15, 2026.

This public-records page covers USDOT 3366146, MOUNTAIN AIR HEATING COOLING & REFRIGERATION INC of Yreka, CA, a motor carrier on the FMCSA register with an active status and an intrastate non-hazmat operating authority. The page lists 4 power units, 1 driver, 0 roadside inspections on file, 0 out-of-service orders, and 0 crashes on file, and notes that the carrier has no FMCSA safety rating.