Is this calculator free to use?

Yes, all our construction calculators are completely free to use. No registration or payment required.

How accurate are the calculations?

Our calculators use industry-standard formulas and current market data to provide accurate estimates. However, actual costs may vary based on location, suppliers, and specific project requirements.

Can I save or print my results?

Yes, you can export your calculation results as a PDF report for saving, printing, or sharing with contractors and suppliers.

HVAC System Calculator

Calculate HVAC system costs including heating/cooling load calculations, equipment sizing, ductwork design, and installation estimates. Compare different system types and efficiency ratings.

HVAC System Details

Building Information

Total Building Area (sq ft)

Average Ceiling Height (ft)

Number of Stories

Climate Zone

Building Type

Insulation Level

HVAC System Type

Efficiency Rating

Ductwork Options

Install new ductwork

Ductwork Type

Additional Features

Programmable thermostat

Air purification system

Whole-house humidifier

Zoned HVAC system

Regional Cost Adjustment

Installation Options

Include professional installation

Installation Complexity

Cost Estimate

Enter your HVAC system details and click "Calculate HVAC System Costs" to see detailed cost breakdown and load calculations.

Disclaimer: HVAC system cost estimates are based on average equipment and installation prices and may vary significantly based on location, system complexity, local building codes, and contractor rates. Load calculations are estimates and should be verified by a licensed HVAC professional. Actual costs may vary due to site conditions, permit requirements, electrical upgrades, and equipment availability. Always obtain quotes from licensed HVAC contractors for accurate pricing and proper system sizing.

HVAC System Details

Cost Estimate

Article Summary