The answer to 'should I get replacement or' is that it depends on the specific situation and needs of your home. Replacing your HVAC system can be a major investment, but it may be necessary if your current system is old, inefficient, or no longer meeting your needs. On the other hand, repairing your existing system can be a more cost-effective option if the issue is relatively minor.
When deciding between replacement or repair, consider factors such as the age and condition of your current system, the cost of repairs, the potential energy savings from a new system, and your long-term plans for the home. In general, replacement is recommended if your system is more than 10-15 years old, if the repairs are costly, or if you want to upgrade to a more energy-efficient model. Repair may be the better option if your system is relatively new and the issue is minor.