Air conditioner buyer’s guide
How to think about capacity, efficiency, and replacement timing.
Capacity and comfort
Oversized systems can short-cycle; undersized systems struggle on the hottest days. Professional sizing guidance matters more than picking the largest unit available.
SEER2 ratings describe efficiency under standardized tests — real bills also depend on insulation, shading, thermostat habits, and ductwork.
FAQ
Can I reuse old lineset and pad?
Sometimes, after inspection. Compatibility and condition must be verified on site.