Home » Swamp Cooler Winterization
Protect Your Home This Winter
Don't let freezing Colorado temperatures destroy your evaporative cooler or cause burst pipes. Let our licensed technicians properly drain, clean, and cover your swamp cooler before the first deep freeze hits the Denver Metro.
ONLY $157
Ensure your family’s comfort and safety this winter with Befort Plumbing and Heating
Valid for residential customers only. The $157 coupon applies to standard evaporative cooler winterization. Offer valid for a single unit; additional systems at the same residence will be serviced at a discounted rate.
A freezing night can cause thousands in water damage if your evaporative cooler isn't properly shut down.
Leftover water in your cooler’s supply line will freeze, expand, and rupture the copper or plastic tubing, leading to massive leaks inside your walls or on your roof when it thaws.
Stagnant water left in the reservoir pan accelerates rust, completely eating through the metal base of your unit over the winter months.
An uncovered, unsealed swamp cooler acts as a wind tunnel, pulling freezing outside air directly into your home and driving up your heating bills.
We provide an honest assessment of your cooler’s condition during shutdown. No pushy sales tactics, just reliable service to keep your equipment protected.
Complete disconnection and draining of all water supply lines to prevent catastrophic winter freezes.
Draining the pan and wiping it dry to prevent hard water scale, mineral deposits, and rust.
Installing the damper (cookie sheet) to block cold winter air from dropping through your ductwork into your living space.
Securing your heavy-duty exterior cover to protect the unit’s louvers and internal parts from snow and ice.
Evaluating your current cooling pads and safely drying or removing them to prevent winter rot and rodent nesting.
Leaving your unit in pristine condition so when the Colorado summer returns, your cooler is ready on day one.
✔️ Drain & Clean
Drain the reservoir pan completely
Wipe down interior to prevent rust
Remove and inspect media pads
✔️️ Winter Proofing
Install the internal damper/block-off plate
Secure the exterior winter cover
Verify no drafts are entering the home
Isolate water supply valve
Disconnect exterior water lines
Shut off electrical power/breaker
Winterizing prevents standing water from freezing and bursting your supply lines, stops rust from destroying the reservoir pan, and blocks cold drafts from entering your home during the winter months.
You should schedule your swamp cooler shutdown in early to mid-fall, ideally before the average low temperature drops to 53 degrees Fahrenheit, and strictly before temperatures drop below freezing (32°F) overnight to prevent pipe damage.
Absolutely not. Leaving water in the reservoir or supply lines guarantees freezing, which leads to cracked pans, burst pipes, and severe water damage when it thaws. Stagnant water also breeds mold and bacteria.
A damper (often called a cookie sheet) is a metal slide inserted into the ductwork of roof-mounted swamp coolers. It physically blocks cold winter air from blowing down the vents into your living space, saving you money on heating bills.
We will securely install your existing exterior winter cover during the shutdown. If your cover is torn or missing, our technicians can measure and provide a replacement cover for an additional cost to ensure your unit stays protected from snow and ice.
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