How to Invoice as a HVAC Technician in Kennewick, WA

Invoicing guide for hvac technicians in Kennewick: 6.5% WA sales tax, 1%/mo late-fee cap, plus WA licensing and contractor rules.

Combined sales tax
6.5%
Late fee cap
1%/mo
Net terms
7 days
Deposit
25%
Create your first invoice freeSee pricing

1. Kennewick-specific tax handling

  • State sales tax: 6.5%. Local jurisdictions in Kennewick may add their own rate — verify with your local tax assessor.
  • Late fees: WA statute Wash. Rev. Code §19.52.020 caps interest on unpaid invoices at 1.5% per month.

2. Standard hvac technician line items

  • Diagnostic fee — billed by flat (~$89 default).
  • Labor — billed by hour (~$115 default).
  • Refrigerant / parts — billed by itemized.
  • Service agreement credit — billed by discount.

3. Payment terms that work in Kennewick

Net 7 is standard for hvac technicians. Most hvac technicians in competitive markets like Kennewick require a 25% deposit upfront before scheduling work. Accept card and ACH on the invoice itself — Kennewick customers expect a one-click payment link in their inbox.

4. Licensing & disclosures

EPA Section 608 certification required for refrigerant work. State HVAC licenses common.

Metro
Kennewick
State
WA
Net terms
7 days
Deposit
25%

Nearby metros

Related