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The THERMWELL CC36XH is a heavy-duty rectangular cover designed to protect outdoor central air conditioner units from seasonal weather exposure. Constructed from reinforced plastic vinyl, it shields condensing units from snow accumulation, wind-driven debris, leaf buildup, and moisture that can lead to surface rust and internal fouling over the off-season. The cover measures 36 inches by 48 inches by 34 inches, making it suitable for larger rectangular condenser footprints. HVAC technicians and homeowners in seasonal climates typically install this cover at the start of winter shutdown and remove it before spring startup.
This cover is intended for use on residential outdoor central air conditioner units with a rectangular form factor. It is not designed for use on square units or heat pump systems that require year-round airflow. Typical application is winterization of split-system condensing units in residential settings where seasonal protection is standard practice. The included heavy-duty tie-down strap secures the cover against wind displacement during winter months.
Designed for rectangular outdoor central air conditioner condensing units. Not compatible with square units or heat pumps that must remain uncovered for year-round operation.
Installation does not require tools. Before covering, confirm the condensing unit has been properly shut down and the disconnect has been opened for the season. Secure the tie-down strap fully to prevent wind uplift. Remove the cover completely before powering the system on in spring to avoid airflow restriction and potential compressor damage.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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