What do SEER and AFUE mean?
SEER stands for “Seasonal Energy Efficiency Ratio”. Basically it tells you how efficiently it converts electricity to cooling comfort. The higher the SEER rating the more efficient your system is. Federal law has mandated that all units must be 12 SEER or higher.

AFUE stands for “Annual Fuel Utilization Efficiency”. This rating tells you how much of your heating dollars are converted to heat energy put into your home and how much is lost through the flue pipe. Federal law mandates that all furnaces being produced today be 80% efficient. Although most manufacturers make 80%, 90%,93% or even higher. Trouble Free has a wide variety of sizes to suit your home.