When is the Ideal time to purchase a new Central Air System for your Home? Answer: The slowest time of the year for A/C companies! Every year for the last 40 years, that I know of, February is the slowest month. Right now until mid March you can save up to 30% on Premium systems and around 20% on Basic systems. Zero down financing(wac) payments as low as $95. All systems are brand new and have a written No Lemon guarantee. Call Now to schedule a free, no obligation, estimate.