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 provide significant benefits, including improved energy efficiency, better temperature control, and reduced maintenance costs. However, a repair may be more cost-effective if the system is relatively new or the issue is minor.
When considering replacement, factors to weigh include the age of your current system, its energy efficiency rating, and how well it is meeting your home's heating and cooling needs. Newer, high-efficiency models can save you money on utility bills over time. However, the upfront cost of replacement is typically higher than a repair.