Central HVAC: Whole-Home Cooling Guide

The gold standard for whole-home comfort. Cools every room through ductwork.

How Central AC Works

Outdoor unit + indoor air handler + ductwork. Thermostat controls the system.

Cost Breakdown

New installation: $5,000-$12,000. Replacement: $3,000-$7,000.

SEER Ratings

Minimum 14-15. High-efficiency: 20-26. Each SEER point saves ~7%.

Maintenance Schedule

• Monthly: Replace air filters
• Annually: Professional tune-up
• Every 2-3 years: Duct cleaning
• Every 15-20 years: Full replacement

When to Consider Alternatives

No ductwork? Ducts add $3,000-$7,000. Consider mini-splits.