Thermal-King INC

HVAC/RFRG · Liberty Lake, WA · License #THERMI*820CL

Subser ConfidenceListedActive WA license

Thermal-King INC is one of 4 HVAC/RFRG contractors registered in Liberty Lake, registered with WA L&I since 2018. Current filings: $4,000 surety bond (continuous). A surety bond has been on file since 2018.

How confident can you be in Thermal-King INC?

Are they licensed, bonded, and insured?

Active license and $4,000 bond on file — checked against WA L&I records, updated daily.

Source:License facts on this pageVerify at WA L&I

Are they who they say they are?

Not yet verified — Thermal-King INC hasn't claimed this listing. Own this business? Claim it free.

Do other pros stand behind them?

No endorsements yet from other licensed contractors in Liberty Lake.

Do they have jobs on record?

Not yet measured — Thermal-King INC hasn't run jobs through Subser. Performance data comes from real jobs, not reviews.

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License facts

License type
ELECTRICAL CONTRACTOR
Effective date
Feb 16, 2018
Expiration date
Feb 16, 2028
UBI
604215475
Business type
Corporation
Phone
(877) 546-4632
Location
Liberty Lake, WA 99019

Source: WA L&I contractor registration — checked Aug 17, 2026. Applies to every row above.

Registration is current through Feb 2028.

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Bond & insurance on file

Bond firmAmountEffectiveExpiration
Federated Mutual Ins Co$4,000Feb 18, 2025Continuous — until canceled
Travelers Cas Insurance Co of America$4,000Feb 8, 2018Canceled Apr 5, 2025
What the bond and insurance requirements mean for homeowners

To register as a specialty contractor in Washington, a business must file a $15,000 surety bond with the Department of Labor & Industries; general contractors file $30,000. This contractor's current filing shows a $4,000 bond.

The bond is a limited fund a homeowner (or subcontractor or supplier) can make a claim against, through the courts, if a registered contractor fails to meet its obligations on a job. Contractors must also keep general liability insurance on file — at least $50,000 in property damage and $200,000 in public liability coverage, or a $250,000 combined single limit — which covers damage the contractor causes, not workmanship disputes. The rows above are the bond and insurance filings L&I publishes for this registration; whether a specific filing applies to a specific project depends on its dates and terms.

Principals

NameStart date
Loren I KnightFeb 13, 2018
Loren I KnightFeb 16, 2018
Siubhan F KnightJun 2, 2021
What is a HVAC/RFRG contractor licensed to do in Washington?

An HVAC/RFRG registration covers heating, ventilation, air-conditioning, and refrigeration work under the specialty classification WA L&I assigns to this code. Related mechanical and electrical work may require separate state trade licenses. As a condition of registration, contractors in this category file a $15,000 surety bond and proof of general liability insurance with WA L&I. Washington currently lists 4 HVAC/RFRG contractors registered in Liberty Lake.

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Subser doesn't have reviews or star ratings. This page shows Thermal-King INC's WA L&I record — registration status, bond and liability coverage, and principals on file — plus any endorsements from other licensed contractors.

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Built from Washington State L&I public records, updated Aug 17, 2026. Subser doesn't do star ratings or reviews — just verified records.