Hot and cold spots or poor air quality (excessive dust/dryness) suggest your system can no longer distribute air effectively. 2. Understanding Efficiency: What is AFUE? Should A 25-Year-Old Furnace Be Replaced? - Hope Plumbing

A sudden spike in gas or electric usage often indicates that your furnace is working harder to produce less heat.

The Ultimate Guide to Buying a New Gas Furnace: Efficiency, Costs, and Expert Tips

Is your current furnace making strange noises, or have your energy bills suddenly skyrocketed? If your heating system is between , you are likely approaching the point where a replacement is more cost-effective than another round of expensive repairs.

Before you commit to a purchase, check if your system is showing these common red flags:

If you’ve called a technician more than once in the last two years, those costs can quickly add up to the price of a new unit.

Buying a new gas furnace is a major investment in your home’s comfort and long-term value. This guide breaks down everything you need to know—from efficiency ratings to the latest 2026 pricing—to help you make a savvy decision. 1. Recognizing the Signs You Need a New Furnace