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Top-Rated Pool and spa technicians in O Fallon - Updated Nov 2026

Avatar for Cool Pools, LLC
Cool Pools, LLC
5.0(
4
)
Swimming Pool - Opening & Closing Service

Serving O Fallon, MO and surrounding areas

Approved

In business since 2020

Free estimates

Credit card accepted

"They were very professional. Ready to help with your pool needs. Very reasonable. Timmy manner I will be using them fr now on for my pool. Ty guys you were awesome The Mooreà  à  à  à ¢à  à  à  à  à  à  à  à  s"
Response time8 hrs
Recommended by75%of homeowners
Midwest Pool Management
New to Angi
Swimming Pool - Opening & Closing ServiceIn Ground Swimming Pool or Accessories - Repair or ServiceSwimming Pool - Clean and Maintain

Serving O Fallon, MO and surrounding areas

Approved

In business since 1967

Free estimates

Credit card accepted

Midwest Pool Management has been managing all types of aquatic facilities since 1967. We currently provide swimming pool management services to municipalities, private clubs, subdivisions, and residential properties. We hire over 1500 aquatic staff members per year. Our depth of experience is unmatched in the area of aquatic facility management.

4 neighbors recently requested a quote
Stress Free Pool Service
New to Angi
Swimming Pool - Opening & Closing ServiceIn Ground Swimming Pool or Accessories - Repair or ServiceSwimming Pool - Clean and Maintain+2 more

Serving O Fallon, MO and surrounding areas

Approved

In business since 2021

Small jobs welcome

Offers commercial services

Stress Free Pool Service is proud to serve St. Louis County's pool service needs. Owner and operator Stephen has over 17 years of experience in the industry. Call today for a free estimate on your next project! \n \n

Response time2 days
2 neighbors recently requested a quote
Avatar for Two Men And A Spa Dolly
Two Men And A Spa Dolly
4.1(
14
)
Above Ground Swimming Pool or Accessories - Repair or ServiceHot Tub or Spa - Repair or ServiceIn Ground Swimming Pool or Accessories - Repair or Service+6 more

Serving O Fallon, MO and surrounding areas

In business since 2003

Credit card accepted

"I just had a three man crew move my hut tub today. They showed up on time, loaded everything including the cover, stairs and cover lift, and within minutes they were moving to the new house. They were very professional and friendly, and set up the hot tub exactly how I wanted it. The whole process was less than an hour, not including drive time. The pricing was exactly as quoted. I would highly recommend Two Men and a Spa Dolly."
Recommended by91%of homeowners
Reflections Pools
5.0(
5
)
In Ground Swimming Pool or Accessories - Repair or Service

Serving O Fallon, MO and surrounding areas

In business since 2005

Free estimates

Credit card accepted

"Kevin is fantastic. He saved us thousands of dollars on an unneeded repair leak. Other pool companies told me it would be a week before they could get me but Kevin was their the next day. Kevin came back multiple times to insure the leak was fixed. Kevin fixed a pipe leak for free."
Response time1 day
Recommended by100%of homeowners
Showing 1-10 of 47
Pool and Spa Servicing FAQs, answered by experts

For a fully-foamed hot tub, freezing typically occurs when the temperature drops below 28 degrees Fahrenheit and remains at or below this level continuously for a minimum of 36 hours. If your hot tub and pumps are still operational, however, the water circulates, and this continuous movement helps prevent freezing, even in very cold conditions. This circulation, along with the insulation provided by the foam, helps maintain the water temperature and prevent it from freezing during extended cold periods. Still, if you’re not planning to run it regularly, be sure to winterize the hot tub properly to prevent damage from freezing.

If your hot tub is well-maintained, covered tightly, and the water is balanced and sanitized correctly, it can remain unused for up to two weeks without significant issues. Beyond this period, the water quality may start to deteriorate, potentially leading to the growth of algae and bacteria. However, it's crucial to note that this timeline can change due to factors like water temperature, sanitation levels, and the quality of your hot tub cover. Regular maintenance and water testing are essential to ensure the water remains safe and clean during periods of inactivity.

Most hot tub motors can last between five and 10 years; however, hot tub motors can burn out sooner if the hot tub water is not maintained or if the motors themselves are not maintained or protected from the elements. Since hot tub motors (also referred to as spa pumps) power the jets and circulate the water, they are important for the functioning of your spa. Buying a quality motor, keeping the hot tub filter clean, and keeping the wet end of the motor wet and the dry end dry can help them last longer.

To refill a hot tub after winter, start by opening up the tub and giving it a quick cleaning. If you use antifreeze, drain out the water then grab a hose and thoroughly clean the tub shell out, spraying water into each jet of the tub. 

Reconnect the hot tub and turn the power back on. When it’s time to fill the tub again, insert the hose into the filter well (if available). Avoid trapping too much air in the water lines, which can cause the pump to lock up when it starts again. Add the necessary chemicals and start the heating process. It will take some time—most of a full day—for the water to heat up again.

If you don’t clean your hot tub filters, they’ll build up dirt and grime, preventing them from filtering out contaminants like dirt and bacteria. The dirty water will then circulate through the filter and back into the hot tub, leading to dirty water, a damaged pump and jets, and low heat. This can lead to higher hot tub costs because you may have to pay for repairs.

The O Fallon, MO homeowners’ guide to pool and spa services

From average costs to expert advice, get all the answers you need to get your job done.