MGA Plumbing is the Clayton plumbing company to call for tankless water heater installation. Our local plumbers are available 24/7, arrive on time and fix the problem right the first time. Respectful technicians who protect your home and clean up after every job.
Tankless water heaters heat water on demand — endless hot water, up to 30% lower energy use and a footprint the size of a suitcase. Proper sizing for Missouri's cold groundwater and correct gas and venting are critical, and that's where experience counts.
We also service existing tankless units: descaling, error codes, flow sensors and ignition problems.
Whether you're near downtown Clayton or on the edge of town, MGA Plumbing charges the same fair flat rate for tankless water heater installation anywhere in Clayton. No trip charges, no overtime fees, no surprises.
Noticing any of these in your Clayton home or business? Serving every neighborhood in Clayton and the St. Louis Metro area.
Tell us what's happening. Our dispatchers are available 24/7 and will send the closest Clayton plumber.
We call when we're on the way and show up in a fully stocked truck ready to work.
We find the real cause — not just the symptom — and explain your options in plain language.
You approve the exact price before we start. No hourly surprises, no overtime fees.
Quality parts, careful workmanship and a job finished right the first time.
We leave your home clean and back every job with our workmanship guarantee.
If it isn't right, we make it right.
Shoe covers, drop cloths and a thorough clean-up every time.
We know Clayton's homes, soil, water and codes.
Nights, weekends and holidays — a real plumber, not an answering machine.
“Called three places for tankless water heater installation — MGA Plumbing was the only one who could come today. Problem solved in one visit.”
“They answered the phone at 6am and the plumber was here by 8. Toilet was overflowing and they fixed it in 30 minutes. Lifesavers.”
Absolutely. All tankless water heater installation performed by MGA Plumbing in Clayton is backed by our workmanship guarantee.
Yes. MGA Plumbing offers same-day and 24/7 emergency tankless water heater installation throughout Clayton, MO. Call (888) 480-9811 and we'll dispatch the nearest plumber.
Yes — we provide tankless water heater installation for restaurants, offices, retail stores, apartment buildings and industrial sites across Clayton.
Every job is different, so we diagnose first and give you a firm flat-rate price before any work starts. Most Clayton customers find our tankless water heater installation pricing lower than the big franchises — and there are never overtime fees.
We also provide tankless water heater installation in these nearby communities:
Same-day service · Upfront pricing · 24/7 emergency response
Call (888) 480-9811