Free Invoice Template for HVAC Technicians

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INVOICE

#INV-2026-042

De Vries HVAC Technician Services

Prinsengracht 456, Amsterdam

KVK: 12345678

BTW: NL123456789B01

Bill To

Maria van den Berg

Herengracht 789, Amsterdam

Date

25 March 2026

Due Date

8 April 2026

Description	Qty	Rate	Amount
Air conditioning unit installation	1	€450.00	€450.00
Heating system annual maintenance	1	€150.00	€150.00
Materials - refrigerant, filters & ducting	1	€135.00	€135.00
Ductwork inspection & cleaning	3 hrs	€65.00	€195.00

Subtotal€93000.00

BTW / VAT (21%)€19530.00

Total€112530.00

Payment Details

IBAN: NL91 ABNA 0417 1643 00

Payment term: 14 days

Available for: 🇳🇱 Netherlands | 🇬🇧 United Kingdom | 🇩🇪 Germany

What to Include on a HVAC Technician Invoice

Make sure your hvac technicians invoice is complete, professional, and gets you paid faster.

Common Line Items

Air conditioning installation
Heat pump installation
Central heating maintenance
Ventilation system installation
Ductwork installation and repair
Thermostat installation
Refrigerant recharge
Indoor air quality testing

Pricing Guide

Hourly Rate

€55 - €85 per hour

Per-Job Pricing

HVAC installations are typically quoted per project (€2,000-€8,000 depending on system type). Maintenance contracts are billed annually or semi-annually. Emergency repairs command premium rates.

Materials Markup

Equipment markup is typically 10-15% for large units (heat pumps, AC units). Consumables like filters and refrigerant can carry 20-30% markup. Always list model numbers on invoices.

Certifications to Reference

F-gas certification
STEK certification (refrigerant handling)
Erkend warmtepomp installateur

Including certifications on your invoice builds trust and demonstrates professionalism to clients.

Legal Requirements (NL)

KVK-nummer - Your 8-digit Chamber of Commerce number
BTW-id - Your VAT identification number
IBAN - Your bank account for receiving payments
Sequential invoice number - Unique and in order

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