Best Invoice App for HVAC Technicians in Illinois (IL)
Glo Invoice is the invoicing app HVAC pros across Illinois use to quote jobs, get signed approvals, send invoices by text, and accept card payments on the spot — with IL sales tax handled at the line-item level.
6.25% + local
4.95% flat
$150
Estimated HVAC ranges in Illinois
Modeled estimate, not a survey of local prices: a national starting range scaled by Illinois's approximate statewide cost-of-living index (~103%). Set your own prices based on your costs and market.
| Service | IL range |
|---|---|
| AC tune-up | $76.9–$205 |
| Refrigerant recharge | $205–$515 |
| AC install (3-ton) | $3,600–$7,700 |
What a Illinois hvac technician invoice looks like
A worked example on a typical ac tune-up job at the IL midpoint ($141), split 40% parts / 60% labor.
| Parts / materials | $56 |
| Labor | $85 |
| Subtotal | $141 |
| Illinois state sales tax on parts (6.25%)Local rates apply on top (6.25% + local). | $4 |
| Card processing if paid by card (2.9% + 30¢) | $4 |
| Invoice total | $145 |
Glo Invoice runs this math per line item, so taxable parts and non-taxable labor never get mixed up. Verify your combined rate with the sales tax calculator or the Illinois Department of Revenue.
What every Illinois hvac technician invoice needs
EPA 608 cert reference for refrigerant work
Equipment serial numbers
Maintenance-agreement tracking
Warranty terms
Seasonal-pricing notes
Illinois licensing basics for HVAC pros
Sales tax certificate (IBT)
Professional license (IDFPR)
Local business license
Check the IL Secretary of State for trade-specific licensing requirements and renewal deadlines.
Why HVAC businesses in Illinois pick Glo Invoice
Made for the trades
Per-line tax for IL sales tax rules, parts vs labor splits, photo attachments, and signed estimates.
Text-first delivery
Illinois customers open texts. Glo Invoice sends invoices over SMS — with a one-tap pay link built in.
Get paid same day
Built-in card payments through your connected Stripe or Square account, and Tap to Pay lets you charge on the spot.
Works on bad signal
Built for job sites, garages, and basements — drafts save locally and sync when you're back online.
HVAC Technicians by city in Illinois
HVAC Technicians in Illinois: common questions
What's the best invoice app for HVAC businesses in Illinois?
Glo Invoice is purpose-built for HVAC pros in Illinois. It handles epa 608 cert reference for refrigerant work, equipment serial numbers, maintenance-agreement tracking, applies 6.25% + local sales tax to the right line items, and sends invoices over SMS so customers actually pay them.
How much should a hvac technician charge in Illinois?
Illinois's average cost-of-living index runs about 103% of the national average. Modeled estimate ranges for IL (not a survey of local prices): AC tune-up $76.9–$205; Refrigerant recharge $205–$515; AC install (3-ton) $3,600–$7,700.
Do HVAC businesses charge sales tax in Illinois?
Illinois's state rate is 6.25% (6.25% + local). Materials are commonly taxable while labor treatment depends on the type of work, so bill parts and labor as separate lines and confirm your case with the Illinois Department of Revenue.
Do I need a license to work as a hvac technician in Illinois?
Most HVAC trades in Illinois require a trade-specific state license plus local permits. Common IL requirements include: Sales tax certificate (IBT); Professional license (IDFPR); Local business license.
What does it cost to register a HVAC business in IL?
Illinois LLC filing runs $150, with ongoing reporting of $75/yr. State income tax is 4.95% flat. Full breakdown in our Illinois business setup guide.
Is there a free trial?
Yes — 14 days free with full access to estimates, invoices, recurring billing, card payments, and expense tracking. No charge until the trial ends.
Setting up shop? Read the guide to starting a business in Illinois.