How to Invoice as a HVAC Technician in Missoula, MT

Invoicing guide for hvac technicians in Missoula: 0% MT sales tax, 1.5%/mo late-fee cap, plus MT licensing and contractor rules.

Combined sales tax
0%
Late fee cap
1.5%/mo
Net terms
7 days
Deposit
25%
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1. Missoula-specific tax handling

  • State sales tax: 0%. Local jurisdictions in Missoula may add their own rate — verify with your local tax assessor.
  • Late fees: MT statute Mont. Code §31-1-106 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 Missoula

Net 7 is standard for hvac technicians. Most hvac technicians in competitive markets like Missoula require a 25% deposit upfront before scheduling work. Accept card and ACH on the invoice itself — Missoula 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
Missoula
State
MT
Net terms
7 days
Deposit
25%

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