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Top-Rated Water heater pros in Warrensburg - Updated Nov 2026

Gash Plumbing, LLC
4.1(
64
)
Water Heater - Repair or ServiceTankless Water Heater - InstallWater Heater - Install or Replace+5 more

Serving Warrensburg, MO and surrounding areas

Approved

In business since 1997

Free estimates

Credit card accepted

"My hot water heater was not repairable. They delivered and installed my new one in about 3 days. They cleaned up after themselves and were efficient and very nice. I would recommend them."
Response time2 days
11 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for H&M Services
H&M Services
2.6(
18
)
Tankless Water Heater - InstallWater Heater - Install or ReplaceWater Heater - Repair or Service

Serving Warrensburg, MO and surrounding areas

Approved

In business since 1989

Free estimates

Emergency services offered

"He contacted me very promptly and came to look at the project. He explained to me what the problem was and stated he did not have the proper special equipment to make the repair. He recommended a company that he felt sure would be able to do the work."
cannon project
cannon project
cannon project
cannon project
cannon project

+29

Response time2 days
Recommended by83%of homeowners
Avatar for Tap Heating & Cooling
Tap Heating & Cooling
4.5(
19
)
Solar Water Heater System - InstallTankless Water Heater - InstallTankless Water Heater - Install - For Business+6 more

Serving Warrensburg, MO and surrounding areas

In business since 2006

Emergency services offered

Credit card accepted

"They were very good. I had two different residencies. So I used one of the Angie's List big deals at each location. They were on time, very prompt and professional. They were very easy to work with. I was very pleased. With regard to price, they were very reasonable. I didn’t feel like I was pressured to buy anything additional that I didn’t need. They told me exactly what was going on. Their responsiveness and punctuality were very good. I love the email system that they have. As soon as I buy a coupon, they send me an email and say let's schedule this. I love that because it's a very easy way to communicate without having to get calls all day. I would absolutely sue them again in the future. I have to give them extra kudos as well because I did have two residences. I had my Harrisonville address on record. I was waiting for them 6:10.9 to 6:15.1probably about 15-20 miles away from this address. I thought that they would be out here anytime. Then it dawned on me that I did not give them the updated address. So I called them immediately and said that it was my mistake for sending them the wrong address. They were very gracious in owning up to my mistake."
install
Cage
Installers Van
Additional Photos
Additional Photos

+5

Recommended by94%of homeowners
Avatar for DTS Family Plumbing Services
DTS Family Plumbing Services
4.5(
43
)
Solar Water Heater System - InstallTankless Water Heater - InstallTankless Water Heater - Install - For Business+6 more

Serving Warrensburg, MO and surrounding areas

Emergency services offered

Credit card accepted

"If you want an immediate reply to your inquiry, professionalism, and friendly and quick scheduling of service, Anthony at DTS Plumbing is your guy. Anthony came to my house on a Monday to determine if I needed to replace my sump pump (I had seen slight amount of water following a huge storm) and possibly install a back-up battery unit. He recommended a new sump pump to replace my old system (original to the house), but advised me NOT to spend the extra money on a back-up battery unit. He could have easily have told me to spend that additional cash on a back-up, but instead won a customer for life with his honesty and integrity. My new sump pump was scheduled for install just two days after Anthony visited. It took him less than 10 minutes to complete the job, and I was immediately on my way back to work. I took advantage of the $395 special deal, and the unit has worked perfectly (and is so quiet I can barely hear it). Thank you, Anthony, for a superb job!"
Recommended by91%of homeowners
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Water Heaters FAQs, answered by experts

The standard copper wire gauge to use with any 30-amp circuit is a 10-gauge wire. The National Electric Code specifies a 10-gauge wire with appliances like water heaters running on 30 amps. If you try to use a smaller gauge wire, such as a 12 gauge, with a 30-amp breaker, you run the risk of the wire overheating and melting or causing a fire. Because of the safety hazards, the gauge of the wire is not an area to try to cut costs when connecting a 30-amp breaker to a water heater.

When replacing an old unit, you might want to switch from a gas water heater to an electric water heater or vice versa. To do this, you will likely need to add infrastructure to the area. For example, you likely don’t have a gas line that served your old electric water heater. You’d have to call a plumber to put in a new gas line. If you’re replacing a gas unit with an electric one, the plumber will need to safely cap the old gas line. You will then need an electrician to add wiring for the new electric unit.

If your water heater continues to have issues, you may wonder how long an electric water heat lasts. On average, these units last between 10 to 15 years. Following a proper maintenance schedule can help the water heater live to the end of its average lifespan or longer.

You should replace your gas water heater when it’s reached the end of its lifespan, which is a maximum of 12 years in most cases. If your unit is over a decade old and showing signs of inefficiency, leaks, or frequent malfunctions, it may be time to replace your water heater. Research how to best maintain your gas water heater to help extend its lifespan.

Several signs indicate your water heater may be failing or in need of replacement. Key indicators include:

  • Age: A water heater older than ten years is approaching the end of its typical lifespan.

  • Water Quality: If you notice rusty or discolored water from your hot water faucets, or a foul odor similar to rotten eggs or sulfur, it can signal internal corrosion.

  • Unusual Noises: Banging, rumbling, or popping sounds from the tank often mean sediment has built up, causing the unit to overheat.

  • Leaks: Any water pooling around the base of the tank or visible leaks are clear signs of failure.

  • Performance Issues: A decline in performance, such as water not getting hot enough, taking longer to heat up, low water pressure, or decreased efficiency, suggests the unit is struggling.

  • Visible Damage: Obvious rust and corrosion on the exterior of the tank can indicate a more serious internal problem.

While these signs often point to replacement, some issues may be fixable. It's best to consult a professional plumber to diagnose the problem before investing in a new unit.

The Warrensburg, MO homeowners’ guide to water heater services

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