Filters are typically located at the home’s ceiling or wall return-air registers, and/or they may be placed in the furnace or AC unit’s air-handler cabinet. Position the replacement filter in the wall register with the airflow arrows pointing in toward the ductwork. ©Don Vandervort, ...
I can remove a few screws and take a look. You may not be able to see it very well, but the new coil also has a plastic drain pan (meaning it won’t rust). The new coil is seated level on the ductwork as the drain pan is already sloped...
Two local friends exchange witty banter even as they build custom ductwork for a current project house. This was a bigger job as the original 1910 house had no real ducting at all – we had to open up walls and run pipes to every room in the house. Your furnace upgrade will be easier...
4 Buy a replacement filter and slide it back into place, noting the arrows stamped on the side that indicate the proper direction of airflow; be sure you face these toward the blower (away from the ductwork). Then replace the door to the cabinet. Mark the date on the filter’s frame ...