Plumbing
Plumbing services in O'Fallon, MO
Local repair, installation, maintenance, inspection, emergency plumbing, and water-heater service across O'Fallon, St. Charles County, and the greater St. Louis area, with clear options and upfront pricing.
License scope: MO License #M2793A applies only to Swiss Air's HVAC/mechanical work; it is not a plumbing license. Swiss Air performs only plumbing and water-heater services it is legally authorized to perform.
How it works
Your home's water system, in one picture
Water enters at the main shutoff, gets heated, travels under pressure to every fixture, and drains by gravity past a roof vent. Tap each numbered part to see what it does, how it fails, and what our plumbing visits cover.
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Main shutoff valve
Where the city line enters your home — usually at the front foundation wall near the meter. Turning this one valve stops every drop of water in the house. In a burst-pipe emergency, knowing where it is saves your floors.
On a Swiss Air visit: We show you exactly where your shutoff is and confirm it actually turns — decades-old gate valves often seize right when you need them.
How a plumbing visit goes
Inspect & diagnose
We find the actual cause — not just the symptom that made you call.
Options & upfront price
Repair vs. replace, spelled out with exact pricing before work starts.
Fix it right
Our local plumbing team uses quality parts and clean penetrations — no shortcuts.
Test & verify
Pressure, drainage, and every connection checked with you present.
Plumbing services
Every way we can help your plumbing
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Plumbing Repair
Leaks, clogs, running toilets, low water pressure, and failing fixtures fixed right the first time.
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Plumbing Installation & Replacement
New fixtures, faucets, and lines installed and replaced with clear options and upfront pricing.
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Plumbing Maintenance & Tune-Up
Scheduled checks that catch small problems early and keep your plumbing working through the year.
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Plumbing Inspection & Testing
A full look at your plumbing to find leaks, corrosion, and code issues before they cost you.
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Plumbing Emergency Repair
Burst pipes, major leaks, and no water get fast, same-day response so damage stays small.
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Water heaters and guides
Plumbing guides, no sales pitch
Talk to a technician
Not sure what you need?
Tell us what the system is doing and we'll call you back with a straight answer — no pressure, no guesswork.
(636) 978-7800Prefer to talk now? We answer 24/7.
Tell us what's wrong
Send us the details and we'll call you back.
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Other services and the areas we cover
Other services
Service areas we cover
- Ladue
- Clayton
- Chesterfield
- Wildwood
- Creve Coeur
- Kirkwood
- Webster Groves
- Sunset Hills
- St. Albans
- Weldon Spring
- Dardenne Prairie
- Lake St. Louis
- Cottleville
- O'Fallon
- St. Charles
- St. Peters
- Wentzville
- Ballwin
- Ellisville
- Manchester
- Winchester
- New Melle
- Defiance
- Fenton
- Oakville
- Valley Park
- Twin Oaks
- Rock Hill
- Brentwood
- Richmond Heights
- Maryland Heights
- Maplewood
- University City
- Affton
- Overland
- Bridgeton
- Hazelwood
- Florissant
- St. Ann
- Charlack
- Cool Valley
- Troy
- Moscow Mills
- Old Monroe
- Winfield
- Foley
- Hawk Point
- Warrenton
- Truesdale
- Wright City
- Marthasville
- Lake Sherwood
- Foristell
Ready when you are
Contact us to schedule your service today.
Fast, professional HVAC service across O'Fallon, St. Charles County, and the surrounding St. Louis area.