Do You Need to Winterize an Inground Pool in New Orleans?

Written by Big Easy Pool Designs

Do You Need to Winterize an Inground Pool in New Orleans?

Quick Answer: No, not in the way pool owners up north do. A New Orleans inground pool usually stays open all year, so instead of draining lines and closing it under a cover, you keep the water circulating and balanced and get ready for the few cold nights that can hurt exposed equipment.

Homeowners who moved here from colder places often ask us about closing the pool in October. The question makes sense, because “winterizing” is standard advice in most pool guides. Those guides are written for regions where the water freezes for weeks. Our mild winters call for a lighter routine, plus a short freeze checklist you can pull out when the forecast turns.

What Does Winterizing or Closing a Pool Actually Mean?

In cold climates, closing a pool means lowering the water, blowing out the plumbing lines, adding winter chemicals, plugging the returns and stretching a cover over the top until spring. The point is to keep freezing water from cracking pipes, fittings and equipment over a long, cold season.

That full shutdown solves a problem most New Orleans pools don’t have. Our cool season is short and mild, and a closed pool sitting under a cover for months tends to cause its own trouble here: stagnant water, algae once the weather warms and a harder start-up in spring.

How Should You Care for a New Orleans Pool in the Cool Months?

Think of it as a lighter version of summer care, not a shutdown.

• Keep the water moving. The pump still runs every day. With a variable speed pump, the run schedule can often drop in cooler weather, and the right setting depends on your pool and equipment.
• Keep testing the water. Algae slows down when the water cools, but it doesn’t stop. Keep sanitizer and pH in range. Our guide to pool water chemistry in the Louisiana summer covers the basics that still apply in winter.
• Stay ahead of leaves. Oaks and other trees drop a lot in the cooler months. Leaves left on the floor stain plaster and load up the filter.
• Watch the water level. Cool, dry fronts can still pull water out of the pool. If the level drops faster than the weather explains, our post on telling a leak from evaporation shows how to check.

We like the cool months for one more reason. Winter is a good time to look at aging equipment before the long swim season starts, while there’s no rush to get back in the water.

What Happens to Pool Equipment During a Hard Freeze?

The pool itself is rarely the problem. A large body of water holds heat, and a short cold snap won’t freeze an inground pool solid. The risk sits above ground, in the equipment pad.

Pumps, filters, valves and the plumbing between them hold small amounts of water in thin-walled housings. When that water freezes, it expands, and a pump housing or filter tank can crack. Exposed pipe runs, backflow devices and any heater on the pad face the same risk. Water that’s moving is much harder to freeze, which is why the main defense is keeping the pump running.

What Is Freeze Protection Mode?

Many pool automation systems, and some variable speed pumps, include a freeze protection setting that turns the pump on when the temperature drops near freezing. It’s a useful safety net, with two caveats:

• It has to be enabled. Some systems ship with it off, and settings can reset after a power outage or an update.
• Different systems sense temperature in different places, and some sense it inside the pump itself. Your equipment manual explains how yours works and what it protects.

If you aren’t sure whether your pool has freeze protection, check before cold weather arrives, not the night of the freeze.

What Should New Orleans Owners Do When a Freeze Is Forecast?

When the National Weather Service issues a freeze watch or warning for the area, here’s a short checklist:

• Run the pump continuously through the cold hours, and confirm freeze protection is on if you have it.
• Keep the water level normal so the skimmer keeps feeding the pump and the pump doesn’t run dry.
• Cover exposed pipes and backflow devices the same way you’d protect outdoor plumbing on the house.
• Plan for an outage. If the power goes out during a hard freeze, the pump stops. That’s the moment to follow your equipment manual’s steps for draining the pump, filter and any heater.

After the freeze, look over the pad for cracked housings, drips or a pump that won’t prime. A crack found early is a smaller repair. If something did break, our pool renovation work covers equipment replacement, and our post on replacing an aging pump and filter explains what to weigh.

Does a New Pool Design Change Winter Care?

It can. Where the equipment pad sits, how it’s sheltered and how the plumbing runs all change how exposed it is on a cold night. We plan the pad for the region’s real weather, which means heavy rain and hurricane wind far more often than freezing nights. Our hurricane season pool prep guide covers the season that does the most damage here.

If you’re still planning a pool, our post on what an inground pool costs in the New Orleans metro explains how equipment choices fit the budget, and our inground pool page covers the build options.

Frequently Asked Questions

Should I put a cover on my pool for the winter?

A cover can cut down on leaves and heat loss, but it’s optional here. If you use one, keep the pump running and the water balanced underneath it.

Can I turn the pump off in winter to save power?

We don’t recommend it. Still water grows algae, and a stopped pump has no protection on a freezing night. A lower variable speed setting is the better way to save.

Should I drain my pool before a freeze?

No. Leave the water in the pool. Draining an inground pool brings its own risks in our high water table. Only the equipment gets drained, and only when the manual calls for it.

Keep Your Pool Ready All Year

We serve the whole metro from New Orleans out to the Northshore and Baton Rouge. Learn more about Big Easy Pool Designs or browse our service areas, then request a free consultation or call (504) 688-4066.