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.
Found another way around this?
Share your steps and trade-offs so fellow engineers don't have to reinvent the wheel. No account required.
- 1Using insulated foam tape cut into narrow stripsDid this help you?
- 2Adding custom screws or alternative fastening methods beyond the supplied bracketsDid this help you?
In their words
Unedited, grouped by where they were said, most upvoted first within each place, 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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