AC tune ups refer to health inspection report form. Main Unit Fiber filter being used these filters are not very effective at keeping equipment clean. This type of filter will likely lead to inefficiencies due to dirt and debris build in the components. Static pressure is good with current filter in place but with that being said this filter is not going to help keep equipment clean and will inevitably lead to complications with function because of cleanliness of equipment. Blower motor compartment and wheel are dirty. Upstairs Unit Filter in use is a fiber filter these filters do not help aid in cleanliness of equipment. With the way the equipment is performing as well ideally we have a little more return coming to equipment as well as a larger filter. Both sets of equipment do not have surge protectors on the equipment itself. Equipment does not have any indoor air quality products in use. Recommendations refer to estimates.