Free HVAC Tools for Contractors
Calculators and tools built specifically for HVAC professionals. Price jobs, check margins, size equipment, generate proposals, and plan maintenance contracts - all for free.
HVAC Job Pricing Calculator
Calculate how much to charge for any HVAC job. Enter equipment, labor, materials, overhead, and profit margin to get a recommended selling price with a full cost breakdown.
Use ToolFree HVAC Proposal Generator
Create a basic HVAC proposal with your company info, client details, and itemized line items. Preview it on screen and download as a PDF. No signup required.
Use ToolBTU / AC Sizing Calculator
Determine the right AC unit size for any space. Enter square footage, climate zone, insulation quality, and more to get a BTU and tonnage recommendation.
Use ToolHVAC Profit Margin Calculator
Instantly calculate your profit margin, markup, and recommended selling price. Toggle between knowing your prices and targeting a specific margin.
Use ToolMaintenance Agreement Calculator
Price your recurring HVAC maintenance contracts for maximum profitability. Calculate monthly and annual pricing, profit per contract, and customer savings.
Use ToolThese free tools are designed by HVAC professionals for HVAC professionals. Whether you are a solo technician pricing your first AC installation or a multi-location operation standardizing your maintenance agreements, these calculators help you make data-driven decisions about your pricing and operations. All tools work on any device - phone, tablet, or desktop - so you can use them in the field, in the office, or on the jobsite.
Ready to go professional?
Ready to take your proposals to the next level? ProposalKit combines all of these calculations with professional proposals, e-signatures, and client tracking in one platform.
14-day free trial · No credit card required