HVAC estimate template

Download the HVAC estimate template

The same sample document in two formats. The PDF is what a finished estimate looks like; the spreadsheet has live formulas, so change a quantity or a rate and the totals follow.

No signup, no email, no watermark. Sample figures — edit everything. Opens in Excel, Numbers and Google Sheets.

See this estimate filled in, in the builder — the same sample, editable.

What a HVAC estimate needs on it

An HVAC estimate lives or dies on equipment detail. A homeowner comparing three bids cannot tell a 14.3 SEER2 builder-grade condenser from a two-stage unit unless you write the model number down, and the contractor who does is the one who stops competing on price alone. Put the equipment, the refrigerant, the permit and the startup on the page, and the cheap bid next to yours starts looking incomplete rather than cheap.

Use an estimate for anything where you have not been in the attic yet. Duct condition, existing line-set sizing and electrical capacity are the three things that most often change an HVAC number after the walkthrough, so name them as exclusions and price them separately if found.

• Make, model and efficiency rating for every piece of equipment — not "3-ton condenser"
• Refrigerant type, which matters now that R-410A systems are being replaced with R-454B
• Whether a permit and county inspection are included, and who files them
• Line set, disconnect, pad and whip — the parts homeowners never think about until a bid omits them
• Warranty split: manufacturer parts term versus your labor term, stated separately

And what every estimate needs

Use an estimate when the scope is clear but the final number can still move — concealed damage, a substrate you cannot see until demo, or material prices that change between bid and start date.

• An expiry date, so a months-old number cannot be held against you
• Scope written plainly enough that a homeowner knows what is excluded
• A deposit or payment schedule if you need money before mobilising
• A signature line, so acceptance is recorded rather than remembered

HVAC line items included in this template

These load into the builder ready to edit. Prices are starting points, not our opinion of what you should charge — set your own and they save to your price book.

Rates are illustrative US figures and vary widely by market. Price your own work.

How HVAC contractors price this work

Most residential HVAC work prices as equipment plus labor, with labor either hourly or flat-rate per job type. Changeouts are usually quoted flat; diagnostics and repairs are usually hourly with a diagnostic fee credited against the repair. Equipment cost moves with the season and with refrigerant transitions, which is the main reason HVAC estimates should carry a short expiry.

Questions

Should an HVAC estimate include the equipment model number?

Yes, and it is the single highest-value line on the page. Model numbers let a homeowner verify efficiency and warranty terms, and they stop a competitor from underbidding you with lower-grade equipment the customer cannot distinguish. It also protects you: if a supplier substitutes, the change is visible rather than silent.

How do I handle a diagnostic fee on an HVAC estimate?

Put it on the page as its own line, then show the credit against the repair if the customer proceeds. A fee that appears as a line item with a stated credit reads as fair; the same fee mentioned only in conversation reads as a surprise charge.

Is HVAC labor taxable?

It depends on your state — several tax equipment but not installation labor, and a few tax both. Because of that, keep equipment and labor on separate lines and mark taxability per line rather than applying one rate to the whole document.

Is an estimate legally binding?

Generally not, on its own — an estimate is an offer, and it usually becomes binding only once the customer accepts it and both sides act on it. What actually binds you is the language on the page: how you describe the scope, what you exclude, and whether you state that the price can change. This is general industry practice, not legal advice; if a job is large or unusual, have a lawyer look at your terms.

How long should an estimate stay valid?

Thirty days is the common default and it is short enough to protect you from material price swings. If you are quoting equipment with volatile pricing, shorten it — and say so on the page rather than in conversation.

Should I charge for estimates?

Many trades charge a diagnostic or assessment fee and credit it against the job if the customer proceeds. If you do, put it on the estimate as a line item with the credit spelled out, so it never reads as a surprise.