HVAC Contractor Permit Requirements in Hilo, HI

Complete permit and license guide for starting a hvac contractor in Hilo, Hawaii County, Hawaii.

$400 -- $1500 4–10 weeks 6 requirements

Not legal advice. Requirements may change — always verify with your local government authority before applying. Last verified: .

Hilo / Hawaii County Requirements

3 requirements
1

Hawaii Contractors License Board — HVAC Contractor License (C-52)

HVAC contractors in Hawaii must hold a C-52 Air Conditioning, Ventilating, and Heating Contractor License from the Hawaii Contractors License Board. EPA Section 608 certification required for refrigerants.

$250–$400 (initial)4–8 weeks
Official government source
2

County of Hawaii Finance Department — Business License

Hilo (Hawaii County) requires a County business registration and applicable permits. Contact the County Finance Department for business license requirements. This license must be renewed annually and displayed at your place of business.

$50–$500/year depending on business type and gross revenues1–3 weeks
Official government source
3

Hawaii County / Hilo Mechanical Permit (per project)

A mechanical permit must be obtained from the local building department for each HVAC installation or major repair. Inspections are required upon completion.

$50–$300 per project1–5 business days
Official government source

Hawaii State Requirements

2 requirements
1

Hawaii Department of Taxation — General Excise Tax License

Hawaii does not have a traditional sales tax but requires all businesses to pay a General Excise Tax (GET) on gross income from business activities. The GET rate is 4% (4.5% in Honolulu). All businesses must register for a GET license with the Hawaii Department of Taxation.

$20 (one-time registration fee)2–4 weeks (by mail) or immediate (in-person)
Official government source
2

EPA Section 608 Certification (for refrigerants)

Technicians who purchase, recover, or handle refrigerants must hold EPA Section 608 certification. Required by federal law regardless of state.

$20–$100 (exam)1–2 days
Official government source

Federal Requirements

1 requirement
1

EIN (Employer Identification Number)

Required if you have employees or operate as an LLC or corporation. Free from the IRS.

FreeImmediate (online application)
Official government source

Official Sources

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