New vs Used: What You Should Choose

How These Decisions Work

Choosing whether to repair or replace something depends on age, cost, efficiency, and reliability. These guides break down each decision using clear rules and real-world scenarios.

Start with a category below, then explore individual guides to determine what makes the most sense for your situation.

Quick Decision Framework

• Repair when systems are newer and issues are minor
• Replace when systems are older or inefficient
• Avoid repairs exceeding ~40–50% of replacement cost
• Consider long-term performance and operating costs