HELPFUL TIP Take your A/C for a test drive on that FIRST warm day of the season. Detecting a problem early could save you an extensive wait for a service call! > More Tips   We can make you cool. At Genz-Ryan we have the very best and most efficient A/C units by brands like Lennox and Carrier. Our team of specialists can assess your home’s unique situation and offer a cooling system that is the most efficient, most comfortable and most affordable. Here’s a little breakdown on how our systems can save you money: The Seasonal Energy Efficiency Ratio is an energy efficiency rating for air conditioners. The higher the SEER = the better the energy performance = the more you save. The DOE's established minimum SEER rating for cooling is 10.00. Our systems start at 10+ for a single speed and go up to a two-speed unit with a 15+ SEER rating. So we can match you with the right system to chill you out and save you more.