Installed two new 110 thousand BTU single stage furnaces along with two new 16 seer, single stage air conditioners with matching indoor coils on both systems replaced both electrical disconnect boxes added to safety float switches to each unit added new filter location in the attic for the system near the pew. That system no longer needs a filter in the grill. The system in the back of the building still has two filter grills added to thermostat lockboxes to both thermostats.