Performed evaluation Upon arrival thermostat temperatures were met and when system was turned on it did not make any noises - tested system on/off Return grate has slight vibration - reccomended to homeowner to put 1 inch filter in ceiling and remove larger filter from filter base - this may not be a complete fix Blower motor performance is good while evaluating System delta 17 Unable to make reccomended estimate due to working system operation Advised homeowner to make recodings of return and supply - where noise persists - make video of outdoor and indoor unit while noise reshows - homeowner is aware possible evaluation fee for continued return System left on cool at exit