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GUIDES

When to Replace Your HVAC System: 7 Warning Signs

6 min read
By RedAlert HVAC Team

Your HVAC system is one of the most important investments in your home. Knowing when to repair versus replace can save you thousands of dollars. Here are seven warning signs that indicate it might be time for a new system.

1. Age of Your System

Most HVAC systems last 15-20 years with proper maintenance. If your system is approaching or exceeding this age, replacement becomes increasingly cost-effective compared to repairs.

2. Rising Energy Bills

Older systems lose efficiency over time. If your energy bills have been steadily increasing without changes in usage, your system may be working harder to maintain the same comfort level.

3. Frequent Repairs

The general rule: if a repair costs more than 50% of a new system's price, or if you're calling for repairs more than twice a year, replacement often makes more financial sense.

4. Inconsistent Temperatures

Hot and cold spots throughout your home often indicate your system can no longer effectively distribute conditioned air. This is especially common in systems that are undersized or aging.

5. Excessive Noise

While some noise is normal, loud banging, grinding, or squealing sounds suggest major component failure is imminent.

6. Poor Air Quality

If you're noticing more dust, humidity issues, or stale air despite regular filter changes, your system may no longer be adequate for your home's needs.

7. R-22 Refrigerant

If your AC uses R-22 (Freon), which was phased out in 2020, you'll face increasingly expensive repair costs. Upgrading to a modern system with R-410A refrigerant is the smart long-term choice.

The Bottom Line

A new HVAC system is a significant investment, but the benefits include lower energy bills, better comfort, improved air quality, and peace of mind. Modern systems are dramatically more efficient than those from even 10 years ago.

If you're experiencing any of these warning signs, contact us for a free consultation. We'll provide an honest assessment and help you understand all your options.

Tags:
hvac replacementac installationfurnace installation

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