Free Resources
Free Tools for Roofing, HVAC & Solar Contractors
Calculators and estimators built for specialty contractors — use them yourself, share them with homeowners, or embed them in your sales process.
Roof Replacement Cost Calculator
Enter roof size, material, pitch, and region to get a low/mid/high cost estimate for your roofing project.
Open CalculatorHVAC Sizing Calculator
Calculate the right AC unit size (BTU/tonnage) for your home based on square footage and climate zone.
Open CalculatorSolar Savings Calculator
Estimate your solar savings and payback period based on your monthly electric bill and location.
Open CalculatorRoofing Squares Calculator
Convert home dimensions to roofing squares, including waste factor for materials ordering.
Open CalculatorContractor Profit Margin Calculator
Enter labor, materials, and overhead to find the right selling price and gross margin for any job.
Open CalculatorHome Improvement Financing Calculator
See monthly payment options for any project cost at different APRs and loan terms.
Open CalculatorHVAC Maintenance Plan Pricing Calculator
Enter your labor rate, parts allowance, and visit frequency to find the right annual and monthly price for your HVAC service agreements.
Open CalculatorContractor Lead-to-Revenue Calculator
Enter your revenue goal, average job size, and close rate to find out exactly how many leads your business needs per month.
Open CalculatorSolar Loan Payment Calculator
See your monthly solar loan payment, net cost after electricity savings, and total interest — with the 30% federal tax credit built in.
Open CalculatorWant to Close More Jobs?
SubcontractorHub gives roofing, HVAC, and solar contractors a full sales platform — proposals, financing, pipeline management, and operations in one place.
Book a Free Demo