Verified Nov 2026
Thermal & Fluid Systems
·

Spokane Valley, Washington
·
Since 1942
Hotstart, Inc. is a thermal management company headquartered in Spokane Valley, Washington, United States, and founded in 1942. It makes engine heating products and energy-efficient heaters that keep standby generators, ships, and locomotives ready for operation. The company is estimated to employ 100 to 200 people with estimated annual revenue of $50 to $100 million. It is privately held and serves the automotive, electric-vehicle, medical, renewable-energy, and industrial-equipment sectors.
Hotstart at a glance
Revenue
$50-100M
Est. band
Employees
100-200
Founded
1942
Headquarters
Spokane Valley, Washington
Import activity
25
Industries
Automotive
Electric Vehicles
Medical
Renewable Energy
Industrial Equipment
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
25
Named foreign suppliers
4
Top origins
Singapore · India · Malaysia · Netherlands

Shared foreign counterparties do not establish that these companies buy from Hotstart.
What this tells a buyer
No customs or trade shipment data is available in the record for this company.
Its product line includes energy-efficient heaters based on air-source heat-pump technology, engine heating systems, and cooling and heating solutions for energy storage systems, alongside engineering, testing, contract manufacturing, and technician certification training services.
The company reports partnerships with major engine OEMs, including Caterpillar and Cummins, and serves customers in power generation, marine, railroad, and transportation.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
Overview
Hotstart, Inc. is a thermal management company headquartered in Spokane Valley, Washington, United States, and founded in 1942. It makes engine heating products and energy-efficient heaters that keep standby generators, ships, and locomotives ready for operation. The company is estimated to employ 100 to 200 people with estimated annual revenue of $50 to $100 million. It is privately held and serves the automotive, electric-vehicle, medical, renewable-energy, and industrial-equipment sectors.
At a glance
Attribute | Detail |
|---|---|
Founded | 1942 |
Headquarters | Spokane Valley, Washington |
Employees | 100-200 |
Revenue | $50-100M (estimated) |
Primary capability | Thermal & Fluid Systems |
What Hotstart makes
Its product line includes energy-efficient heaters based on air-source heat-pump technology, engine heating systems, and cooling and heating solutions for energy storage systems, alongside engineering, testing, contract manufacturing, and technician certification training services.
Trade and customs footprint
No customs or trade shipment data is available in the record for this company. US customs bill-of-lading records list 25 inbound shipments across 4 foreign suppliers, with top origins including Singapore · India · Malaysia · Netherlands.
Company details
The company reports partnerships with major engine OEMs, including Caterpillar and Cummins, and serves customers in power generation, marine, railroad, and transportation. Hotstart was founded in 1942, has an estimated 100-200 employees, and is headquartered in Spokane Valley, Washington.
Frequently asked questions
What does Hotstart make?
Hotstart, Inc. is a thermal management company headquartered in Spokane Valley, Washington, United States, and founded in 1942. It makes engine heating products and energy-efficient heaters that keep standby generators, ships, and locomotives ready for operation. The company is estimated to employ 100 to 200 people with estimated annual revenue of $50 to $100 million. It is privately held and serves the automotive, electric-vehicle, medical, renewable-energy, and industrial-equipment sectors.
Where is Hotstart headquartered?
Hotstart is headquartered in Spokane Valley, Washington (5723 E Alki Ave, Spokane Valley, Washington, 99212).
When was Hotstart founded?
Hotstart was founded in 1942.
How big is Hotstart?
Hotstart has an estimated 100-200 employees, with revenue in the $50-100M range (estimated).
Does Hotstart import from overseas suppliers?
US customs bill-of-lading records show 25 inbound shipments for Hotstart, with top origins including Singapore · India · Malaysia · Netherlands.
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Last verified Nov 2026. Is this your company? Request a correction.
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