How to secure a horizontal evaporator coil to a furnace
Manufacturer instructions for mounting the equipment are vague and typically supply only a single, flimsy flat bracket. This lack of clear guidance leaves installers guessing about how to properly attach the coil to the furnace and whether additional hardware is required.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
- 1Using insulated foam tape cut into narrow strips
- 2Adding custom screws or alternative fastening methods beyond the supplied brackets
In their words
Unedited, most upvoted first, each linked to the thread it came from.
“The instructions are not clear on how the coil should be secured to the furnace.”source ↗
“There is one flat bracket but Im assuming I would want more than that?”source ↗
“All it says is to attach the coil to the furnace and the plenum to the coil using the hardware provided, hence my need for clarification.”source ↗
“I never had much luck with the brackets supplied, seem to flimsy.”source ↗
Where this came up
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