HVACBossPro Blog — Quotes & Estimates

Sales Tax on HVAC Estimates: Getting the Total Right Before the Customer Approves

A homeowner approves a $650 repair. A week later the invoice says $700-something. Nothing about the work changed. The tax just was not on the estimate. To the customer, it feels like the price went up after they agreed to it, and that feeling sticks to your company long after the system is cooling again.

The fix is simple: put the tax on the estimate, so the number the customer approves is the number they pay.

Part of a Clear Quote

The previous guide, Presenting HVAC Quotes Clearly: Line Descriptions Homeowners Actually Understand, ended with “show the real total.” Sales tax is the most common reason estimate totals and invoice totals disagree, so it gets its own guide.

This article is about putting tax on the quote. It is not tax advice. What is taxable for an HVAC company, and at what rate, depends on your state, province or country and sometimes your city. Ask your accountant how it works where you operate, then set up your software to match.

Why Tax Goes on the Estimate

• No surprises. The approved total is the paid total.
• Fair comparisons. A customer comparing your quote with another company's can see what each one really costs. If the other company left tax off, yours may look higher but be honest; say so if they ask.
• Clean card charges. If the customer's card on file is charged when the job is completed, it should be charged the amount they saw and approved.
• Less office time. Nobody spends a morning explaining why the invoice is higher than the quote.

How It Works in HVACBossPro

HVACBossPro figures sales tax on the estimate. The customer sees the lines, the tax and the total before they approve online. When they approve, the estimate becomes the scheduled job with the same lines. When the tech taps Complete, the invoice is created from those lines with sales tax on it, and a card on file can be charged.

Because the estimate, the job and the invoice all use the same lines from your service list, the tax figure does not drift between them. If a line changes on the job, such as refrigerant added in a different quantity than expected, the tax follows the new total.

Practical Habits for Getting Tax Right

• Set it up once, correctly. Get the rate and the rules from your accountant, enter them, and test a sample estimate before sending real ones.
• Review when rates change. Local rates change from time to time. Put a reminder on the calendar to check at the start of each year.
• Watch for different addresses. If you work across city or county lines with different rates, make sure each address is taxed for where the work is done, as your accountant advises.
• Handle tax-exempt customers deliberately. Some commercial customers or organizations are exempt. Keep their paperwork on file and use a client tag or custom field so the office knows to treat their estimates differently.
• Do not hide it. Show tax as its own figure, not baked into line prices, unless your accountant tells you otherwise. Customers like seeing it spelled out.

Tax on Big Quotes and Many Units

On a system replacement, tax can be a meaningful amount, so it matters even more that it is on the estimate. Quoting an HVAC System Replacement: What a Clear Replacement Estimate Includes covers the rest of what belongs on that kind of quote.

For property managers with many units, each line on the monthly statement is labeled with its address. If those addresses are in different tax areas, getting each one right on the quote means the statement adds up without manual corrections at the end of the month.

Outside the US

HVACBossPro works in the US, Canada, Australia, New Zealand and the UK, and bills customers in their own currency. The same principle applies everywhere: whatever sales tax, GST or VAT applies to your work, put it on the estimate so the approved total is the paid total. Your accountant will know the rules for your area.

When the Customer Asks About Tax

Every so often a customer asks why there is tax on a repair, or why your total is higher than a competitor's quote that did not show tax. Answer plainly: the tax is required where you work, it is shown on the quote so there are no surprises, and any other company's final invoice will include it too. Two-way texting makes it easy for the office to answer in a sentence and keep the conversation on the customer's record.

The next guide covers what happens once the total is right and the estimate is sent: online approval. For the overview of how tax, approval and scheduling fit together, go back to the HVACBossPro HVAC estimate software page.