GAS · ELECTRIC · TANKLESS
Carmel Water Heater Repair Experts
From older tank heaters to wall-mounted tankless units, we repair gas, electric and tankless water heaters in Carmel homes. Tell us what it’s doing, whether that’s no hot water, a leak or an error code, and we’ll find the cause and give you an upfront price before any work begins.
✓ Same-day service
✓ Upfront pricing
✓ Licensed & insured
★★★★★ 5-star rated
SIGNS YOU NEED A REPAIR
Water heater problems we fix in Carmel
Running out of hot water
Showers that turn lukewarm partway through
Slow recovery between showers, baths or laundry
An electric heater that keeps tripping its reset button
Water where it shouldn’t be
Drips from the drain valve or relief valve line
Puddles, rust stains or a wet drain pan
Damp fittings on top of the heater
Noises, smells and error codes
Popping or rumbling while it heats
Hot water that smells like rotten eggs
Tankless error codes, ignition failures or shutdowns
WHAT TO EXPECT
How a Carmel repair visit works
01
Share the symptoms
Call or text 317-922-9043, or book online. The heater’s age, fuel type and what you’re seeing or hearing help us bring the right parts.
02
We test before we quote
We check the gas or power supply, controls, burner or elements, venting and relief valve, then show you what failed and why.
03
You make the call
You approve an upfront price before work starts. We carry common parts, so many repairs wrap up in a single visit.
REPAIR OR REPLACE
Should you repair or replace it?
We’ll recommend a repair when it’s the sound choice, and tell you plainly when it isn’t.
Usually worth repairing
The tank is dry and solid and a single part has failed, such as an element, thermostat, gas valve, flame sensor, tankless igniter, or a leaking drain or relief valve.
Usually time to replace
Water is seeping from the tank body, a heater near 10 years old needs a major part, or the same problems keep coming back.
Qualifying new tank water heaters we install come with a 6-year manufacturer warranty. Compare options on our Carmel water heater replacement page and see our published replacement prices.
What Carmel’s softened water means for your heater
Carmel Utilities pumps groundwater from 20 wells to five treatment plants and softens it to about eight grains of hardness, which the utility describes as moderately hard. Its report notes that softening may be reduced during periods of extremely high summer use.
Moderately hard water still leaves sediment in tanks and scale in tankless heat exchangers over time, which can show up as rumbling, slower recovery or error codes. Our Carefree Plan includes an annual flush or descale plus 10% off qualifying repairs (up to $100 per visit). Related: How often should a tankless water heater be flushed?
Source: 2025 Carmel Water Quality Report (Carmel Utilities). Served by a different utility? Check its annual report.
Leaking or smell gas?
Smell gas? Get everyone out, then call 911 or your gas utility from outside. Don’t relight the pilot or use light switches.
Leaking? Close the cold-water valve above the heater, then switch off its breaker (electric) or set the gas control to Off (gas).
Carmel water heater repair FAQs
Can you repair my water heater today?
Same-day service is available when our schedule allows. Calling or texting early in the day gives you the best chance, or book online and pick the first opening.
Carmel water is softened. Do I still need to flush?
Usually, yes. Water softened to about eight grains is still moderately hard, so sediment builds up over the years. Popping or rumbling is a common sign. Read more: Why is my water heater rumbling?
Why is my relief valve dripping?
It can point to high temperature or pressure, thermal expansion or a worn valve. Never cap or plug the discharge line; it’s a safety device. Read more: Water heater relief valve dripping
Do you repair tankless units in Carmel?
Yes, including Navien and Rinnai. Common calls include error codes, ignition failures and scale buildup. For Navien-specific details, see Navien tankless repair in Carmel.
Is there a Hot Water Pros office in Carmel?
No. Our shop is at 11 Municipal Drive, Suite 200, in Fishers, and our technicians come to homes throughout Carmel. Learn more about our water heater repair service.
How much will my repair cost?
It depends on what failed and the type of heater. After testing, we give you an upfront price to approve before any work begins.
Fast Repairs.
Lasting Solutions.
WHY CARMEL HOMEOWNERS
CHOOSE HOT WATER PROS?
We proudly provide water heater repair services throughout Carmel, Hamilton County, and surrounding north Indianapolis communities.
Trusted Locally
Trusted by Carmel homeowners and businesses.
Repair First
Repair over replacement whenever possible.
Fully Stocked Trucks
Fully stocked trucks for faster repairs.
Upfront Pricing
Honest recommendations with upfront pricing.
Workmanship Guarantee
Backed by our workmanship guarantee.
CUSTOMER REVIEWS
What Our Customers Say
“They are extremely professional experts who show up same / next day and provide top quality services.”
Jen W.
“Hot Water Pros did exceptional work for me; they will be my go-to for all future plumbing needs.”
Andrew S.
“They came out and replaced my hot water heater today, the same day that I called them to see if they could help me!”
Laura B.
IN THE CARMEL COMMUNITY
Rain on Main Barrel Sponsor
Hot Water Pros is proud to sponsor a Rain on Main barrel in Carmel. Rain on Main brings local artists and businesses together to support water quality education, with custom-painted rain barrels displayed along Main Street and auctioned for the community.
Supporting water quality education in Carmel
Sponsoring a custom-painted rain barrel
Helping local artists showcase their work
Proud to support the Carmel Arts & Design District
Local plumbing company supporting clean water awareness
Proud Carmel Swim Club Sponsor
Hot Water Pros is proud to support Carmel Swim Club and its mission to help Central Indiana athletes grow through swimming, discipline, teamwork, and leadership. As a local company serving Carmel families, we’re honored to support a program that has become one of the most respected swim clubs in Indiana and the nation.
Supporting Carmel youth athletes
Helping local swimmers grow through discipline and teamwork
Proud to support a nonprofit serving 500+ athletes
Connected with Carmel families and the local community
Local plumbing company supporting youth sports
Supporting Youth Abuse & Suicide Prevention
Hot Water Pros is proud to sponsor the Indiana Center for the Prevention of Youth Abuse & Suicide (ICPYAS), a Carmel-based nonprofit that has worked to prevent youth abuse and save lives since 2001. Its education programs help young people, parents and other adults recognize the signs of abuse or suicide risk, respond, and find help.
Supporting a Carmel-based prevention nonprofit
Helping bring prevention education to kids and families
Proud to support the community we serve
Need help now?
Call or text 988 to reach the 988 Suicide & Crisis Lifeline, 24/7.
Suspect child abuse or neglect? Call the Indiana hotline at 1-800-800-5556, 24/7.
In immediate danger? Call 911.
SERVICE AREAS