Best Invoice App for HVAC Technicians in Missouri (MO)

    Glo Invoice is the invoicing app HVAC pros across Missouri use to quote jobs, get signed approvals, send invoices by text, and accept card payments on the spot — with MO sales tax handled at the line-item level.

    MO sales tax

    4.225% + local

    Income tax

    0%–4.8%

    LLC filing

    $50

    Estimated HVAC ranges in Missouri

    Modeled estimate, not a survey of local prices: a national starting range scaled by Missouri's approximate statewide cost-of-living index (~89%). Set your own prices based on your costs and market.

    ServiceMO range
    AC tune-up$66.6–$180
    Refrigerant recharge$180–$445
    AC install (3-ton)$3,100–$6,650

    What a Missouri hvac technician invoice looks like

    A worked example on a typical ac tune-up job at the MO midpoint ($123), split 40% parts / 60% labor.

    Parts / materials$49
    Labor$74
    Subtotal$123
    Missouri state sales tax on parts (4.225%)Local rates apply on top (4.225% + local).$2
    Card processing if paid by card (2.9% + 30¢)$4
    Invoice total$125

    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 Missouri Department of Revenue.

    What every Missouri hvac technician invoice needs

    EPA 608 cert reference for refrigerant work

    Equipment serial numbers

    Maintenance-agreement tracking

    Warranty terms

    Seasonal-pricing notes

    Missouri licensing basics for HVAC pros

    Sales tax license

    Professional license

    City/county business license

    Check the MO Secretary of State for trade-specific licensing requirements and renewal deadlines.

    Why HVAC businesses in Missouri pick Glo Invoice

    Made for the trades

    Per-line tax for MO sales tax rules, parts vs labor splits, photo attachments, and signed estimates.

    Text-first delivery

    Missouri 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 Missouri

    HVAC Technicians in Missouri: common questions

    What's the best invoice app for HVAC businesses in Missouri?

    Glo Invoice is purpose-built for HVAC pros in Missouri. It handles epa 608 cert reference for refrigerant work, equipment serial numbers, maintenance-agreement tracking, applies 4.225% + 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 Missouri?

    Missouri's average cost-of-living index runs about 89% of the national average. Modeled estimate ranges for MO (not a survey of local prices): AC tune-up $66.6–$180; Refrigerant recharge $180–$445; AC install (3-ton) $3,100–$6,650.

    Do HVAC businesses charge sales tax in Missouri?

    Missouri's state rate is 4.225% (4.225% + 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 Missouri Department of Revenue.

    Do I need a license to work as a hvac technician in Missouri?

    Most HVAC trades in Missouri require a trade-specific state license plus local permits. Common MO requirements include: Sales tax license; Professional license; City/county business license.

    What does it cost to register a HVAC business in MO?

    Missouri LLC filing runs $50, with ongoing reporting of $0 (no annual report). State income tax is 0%–4.8%. Full breakdown in our Missouri 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 Missouri.

    Other trades in Missouri