FREE EXTENDED WARRANTY APR, MAY, JUN, JUL, AUG Free extended warranty on 12 SEER and up systems. Please call for details. REBATE (YEAR ROUND) Special electrical co-op rebates available. Please call for details. CLEAN & CHECK APR, MAY, SEP, OCT $69.00 check-up summer or winter. OTHER OFFERS Have you purchased a new air conditioning or heating system in the last 4 ½ years or less? We are offering a 1 year parts/labor warranty renewable up to 10 years. Any brand may be covered. For $145.00 investment - call for more information.