Williams Air Solutions

Calculators

Run your numbers. Each tool uses industry benchmarks so you can see how you compare — not just what the math says.

Loaded Labor Rate

What a technician actually costs you per billable hour — wages, taxes, benefits, vehicle.

Break-Even

How many billable hours your shop needs per month to cover overhead.

Price Book Builder

Build a flat-rate price from labor, materials, overhead, and target margin.

Maintenance Agreement Profitability

Is your maintenance plan making money or paying you to visit customers?

Marketing ROI

Which marketing channels are working and what each customer acquisition costs.

Weekly Scorecard

Track your 5 core KPIs week over week with built-in industry benchmarks.

Net Profit

Full P&L analysis — is your company actually profitable after labor, overhead, and your salary?

Business Valuation

Estimate what your business is worth using SDE and EBITDA methods with HVAC-specific multiples.

Max Cost Per Lead

The most you can spend per lead and still make money — worked backwards from your numbers.

CFM Calculator

How much airflow a room or space needs — from volume, air changes, BTU load, or system tonnage.

Duct Sizing

What size ductwork you need for a given airflow and velocity — round and rectangular.

Load Calculator

Estimate the HVAC system size a building needs based on square footage, climate, and conditions.

Energy Savings

How much a customer saves by upgrading from an old SEER system to a new one — with payback period.

Bid Calculator

Build a complete project bid from labor, materials, equipment, overhead, profit, and contingency.

Flow Rate

Calculate fluid flow rate through a pipe — for refrigerant lines, hydronic systems, and drains.

How They Connect

These tools chain together. Your loaded labor rate feeds break-even, price book, and agreement profitability. Your price book feeds the max CPL calculator. Your net profit P&L feeds the business valuation. Start with the loaded rate — everything else builds on that number.

No sign-up required Every calculator runs in your browser. Nothing is sent to a server, nothing is stored, and there's no email gate. Your numbers stay on your screen.