Free HVAC Estimate Template & Generator
Win more installs and repairs with a clear, professional HVAC estimate. Itemize the equipment, install labor, ductwork and materials, permits, and warranty for any furnace, AC, or heat-pump job — then download a clean PDF and email it to the homeowner in minutes. Completely free, no sign-up.
Create Your HVAC Estimate Now — It's FreeBuilt for HVAC Jobs
Break out the equipment, installation labor, ductwork and refrigerant, permits, and warranty as separate line items so homeowners see exactly what they are paying for.
Your Company Branding
Add your contracting business name, license number, and logo so every estimate looks professional and earns the homeowner's trust before you start the work.
Convert to an Invoice
When the homeowner approves the estimate, turn it into an invoice in one click — same line items, same totals, ready to bill once the install is done.
How to Make an HVAC Estimate
Add the Job Details
Enter your company info and the homeowner's name and service address, then describe the system — a furnace swap, a new AC condenser, a full heat-pump install, or a repair.
Itemize Equipment & Labor
List the unit and equipment, installation labor hours, ductwork, refrigerant and fittings, the permit, and any warranty. Set quantities and rates and the totals add up automatically.
Download & Send
Generate a polished PDF estimate, email it to the homeowner, and convert it to an invoice once the job is approved and complete.
What Goes Into an HVAC Estimate?
An HVAC estimate is a written breakdown of what an install or repair will cost, given to the homeowner before the work begins. A good estimate makes the scope obvious, sets expectations on price, and helps you close the job against competing bids. Unlike an invoice, it is a quote for proposed work, not a demand for payment.
Most HVAC estimates separate the job into trade-specific line items so the homeowner can see where the money goes:
- Equipment — the furnace, condenser, air handler, heat pump, or thermostat, listed by model and SEER/AFUE rating
- Installation labor — crew hours for removal of the old system, set, and start-up
- Materials — ductwork, line set, refrigerant, fittings, electrical whip, and the condensate pad
- Permits and inspection fees required by your local jurisdiction
- Warranty or maintenance coverage on parts and labor
How to Price an HVAC Job
Start from your equipment cost, then add a labor figure based on crew hours and your hourly rate, your materials, the permit fee, and a markup that covers overhead and profit. Sizing matters: a properly sized system priced on a Manual J load calculation protects you from callbacks and undercutting. New central air conditioners and heat pumps must also meet the federal minimum efficiency standards the U.S. Department of Energy sets in SEER2, so quote equipment that is compliant for your region. InvoiceGen's HVAC estimate template lets you set a quantity and rate on every line, so swapping a 2-ton condenser for a 3-ton or adding an extra labor day re-totals the bid instantly.
Not sure how an estimate differs from the bill you send later? Our guide on invoice vs receipt vs quote breaks down when to use each. You can also start from the general estimate generator for other trades.
When the homeowner says yes, the same document becomes the basis for your bill — convert the approved estimate into an invoice once the install is finished. Open the HVAC estimate generator and put together your first bid today.
An estimate is a good-faith projection of cost, not a binding contract or fixed price. Equipment availability, hidden conditions, and code requirements can change the final total — note your terms on the estimate and confirm scope in writing before starting work.