High-efficiency water heater installWater heaters
Tankless Water Heaters · Cobb & Paulding
Tankless Water Heater Installation & Repair in Marietta, GA
- 4.8★ from 240+ Google reviews
- Sized, vented & installed right
- Call or text 24/7
- Licensed & insured, local Marietta shop
Tankless unit showing an error code?
No hot water, lukewarm water or a flashing code? Call or text. Many tankless problems are scale, flow sensors or venting, and are fixable.
★★★★★ 4.8 from 240+ Google reviews · Licensed & insured · You approve the price before work starts
Who can I call for tankless water heater repair or installation near me?
In Marietta and across Cobb, Paulding and Douglas counties, call Plumbers 4 Real, a licensed and insured plumbing company at 1540 Rosewood Cir SE in Marietta. We install, repair and descale gas and electric tankless water heaters, and tell you honestly whether repair or replacement makes more sense. A real person answers calls and texts 24/7, and you approve the price before any work starts.
- Call
- (404) 819-2137
- Text
- (404) 436-6116
- Hours
- Open 24/7
- Google rating
- 4.8 ★ · 240+ reviews
- Service area
- Cobb, Paulding & Douglas
Common Tankless Water Heater Problems
Scale buildup
Hard water leaves scale in the heat exchanger, cutting efficiency and triggering error codes. Annual descaling prevents most of it.
Lukewarm or cold bursts
Undersized units, low flow or a dirty inlet filter cause temperature swings. We check sizing and flow before replacing anything.
Error codes and ignition faults
Gas supply, venting and flame sensors are the usual culprits on gas units; we diagnose the code rather than guess.
Thinking about switching?
Going tankless means sizing the unit, the gas line and the venting correctly. Done right, it's endless hot water and lower standby losses.
How a Tankless Install or Repair Works
- 1
Size it right
We match the unit to your peak hot-water demand, not just the house size, so showers don't go cold.
- 2
Check gas and venting
Tankless gas units often need a larger gas line and new venting; we check both before quoting.
- 3
Install or repair
Clean, code-compliant work, with service valves so future descaling is easy.
- 4
Maintain
Annual descaling and a filter check keep efficiency and warranty intact.
Tankless Water Heaters in Marietta, GA
Plumbers 4 Real installs, repairs and maintains tankless water heaters across Marietta, Cobb County and Paulding County, with sizing, gas and venting done right the first time.
Tankless water heaters heat water on demand instead of keeping a tank hot all day, which cuts standby energy loss and frees up floor space. The U.S. Department of Energy notes that demand water heaters can be 24 to 34 percent more energy efficient than conventional tank models for homes using 41 gallons or less of hot water a day (see its tankless water heater guide).
Whether tankless is worth it depends on your hot water use, your gas line and your venting options. We'll give you an honest comparison against a new tank, and if you already have a tankless unit, we'll keep it running with descaling and repairs. For standard tanks, see water heater repair.
Tankless or a New Tank?
Tankless usually makes sense when…
- You run out of hot water with a tank
- You want to free up floor space
- Your gas line and venting can support it
- You plan to stay in the home for years
A new tank may be the better buy when…
- Your budget is tight right now
- Gas line or venting upgrades would be extensive
- Hot water use is low
- You may sell the home soon
Tankless Water Heaters Jobs From Our Crews
Tankless Water Heaters Near You
We handle tankless water heaters throughout Cobb and Paulding County, including:
Google reviews from our customers
Selected Google reviews rated 2–5 stars are displayed in this website widget. Read all ratings and reviews on Google.
Tankless Water Heaters FAQs
Are tankless water heaters worth it?
Often, for homes that use a lot of hot water or want endless hot water and lower standby losses. The Department of Energy estimates 24 to 34 percent better efficiency for lower-use homes. The upfront cost is higher, especially if gas or venting needs upgrading.
How long do tankless water heaters last?
Commonly longer than tank heaters, provided they are descaled regularly. Scale is the main thing that shortens their life.
How often should a tankless water heater be descaled?
About once a year in most homes, more often with hard water. It keeps efficiency up and helps protect the warranty.
Why is my tankless water heater going cold in the shower?
Usually low flow, a clogged inlet filter, scale or a unit that is undersized for the demand. We check flow and sizing before recommending anything.
Do you repair tankless error codes?
Yes. We diagnose the code on the unit, which usually points to gas supply, venting, ignition, flow or scale problems.
Can I switch from a tank to tankless?
Usually, yes. A gas tankless unit often needs a larger gas line and new venting; we check both and quote the full job up front.
What areas do you cover for tankless water heaters?
Marietta, Smyrna, Vinings, Kennesaw, Acworth, Powder Springs, Austell, Mableton, Hiram, Dallas, Douglasville, Lithia Springs and the rest of Cobb and Paulding County.
Tankless Problem, or Thinking of Switching?
Tankless water heater install, repair and descaling across Cobb and Paulding County.