The answer to 'when to replace HVAC repair' is that it's generally recommended to replace your HVAC system every 10-15 years, or when it becomes too costly to continue repairing. HVAC systems have a finite lifespan, and as they age, they become less efficient and more prone to breakdowns. Replacing an older, inefficient system can save you money in the long run through lower energy bills and fewer repair costs.
Some key signs that it may be time to replace your HVAC system include frequent breakdowns, rising utility bills, and the system being unable to maintain a comfortable temperature in your home. If you're constantly calling for repairs or your system is over 10 years old, it's a good idea to consult with an HVAC professional to evaluate your system and determine if replacement is the best option.