Evaporative Cooler Winterization Shutdown, Georgetown TX
Proper winterization of an evaporative cooler protects it from freeze damage, prevents scale buildup during the off-season, and prepares the unit for an easy spring startup. ProAir Georgetown's winterization service covers all the steps required to properly shut down and protect your cooler.
Georgetown's occasional hard freezes can damage an improperly winterized evaporative cooler, burst tray, cracked pump, or frozen water lines. Even in mild winters, leaving water in the system causes scale and biological buildup over the off-season. Proper winterization is inexpensive protection.
Signs You Need Evaporative Cooler Winterization Shutdown in Georgetown
- ⚠The unit has been running or sitting with standing water into the fall
- ⚠No winter cover installed and freeze-damage cracks are already visible on the housing
- ⚠Water lines to the cooler haven't been drained or blown out
- ⚠Belts and pulleys have been left tensioned through the off-season in prior years
What's Included
We turn off the cooler's dedicated electrical circuit at the panel.
We close the water supply valve to the cooler and drain the supply line.
We drain and clean the water distribution tray to remove mineral deposits and biological growth.
We remove aspen pads for disposal; synthetic pads are cleaned and inspected for reuse.
We install or recommend a cooler cover to prevent heat loss through the unit during winter.
Georgetown TX Considerations
Georgetown gets enough hard freezes most winters that any standing water left in an evaporative cooler's sump, tubing, or pump housing can crack fittings and split the pump body once temperatures drop. Because swamp coolers here often run alongside a separate AC system rather than as the sole cooling source, it's common for a cooler to sit untouched from October through April, which makes a proper shutdown the difference between a unit that starts cleanly next spring and one that needs a pump and tubing replacement before the first hot day.
We schedule most Georgetown winterization visits in late October or early November, ahead of the season's first hard freeze but late enough that the cooler has finished its useful run for the year. The service includes draining the sump completely, disconnecting and blowing out the water supply line, backing off belt tension so the belt doesn't take a permanent set over months of storage, and confirming the unit's electrical disconnect is properly isolated. For homes that run both a swamp cooler and a central AC system, which describes most Georgetown installations, the swamp cooler often gets overlooked once the AC takes over for the season, making it easy to forget until a spring startup reveals freeze damage that could have been prevented.