Aristo HVAC & Refrigeration is committed to providing comprehensive preventive maintenance services for your HVAC systems twice a year: once in the Spring/Summe and once in the Fall/Winter. Prior to accepting this service agreement, we reserve the right to inspectand approve the equipment covered. All services will be conducted during regular business hours. This agreement includes an 8% discount on parta and up to two complimentary service calls per year (a $200 value), performed by our qualified techniciana. After-hours service call fees will be reduced from $150 to $125.