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  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon41
    Verified water heater services reviews

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

Avatar for Apex Services
Apex Services
5.0(
5
)
Water Heater - Install or ReplaceWater Heater - Repair or ServiceTankless Water Heater - Install+1 more

Serving Waterloo, NE and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

Since 2004, we've established a respected service reputation of excellence in the greater Elkhorn and Omaha communities we serve. We're proud of our Nebraska roots, while offering a "same day service guarantee" of servicing our customers on the day promised. We pride ourselves on the quality of our work as well as our commitment to earning your trust. We offer emergency repair services outside of normal business hours, so check with us for all of your heating, plumbing, and air conditioning needs.

AC repair
Furnace Repair
Water Treatment
54 neighbors recently requested a quote
Avatar for Plumbing Specialties
Plumbing Specialties
4.2(
97
)
Water Heater - Install or ReplaceWater Heater - Install or Replace - For Business

Serving Waterloo, NE and surrounding areas

In business since 2009

Free estimates

Warranties offered

"Job was performed very well, the two water heater installers and phone representative were friendly, the installers showed up right on time, the job time estimate was 2 hours, the installers did it in 1.5 hours, they even did a good job of cleaning up afterwards, couldn't of asked for a better job, excellent"
Response time2 hrs
Recommended by95%of homeowners
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Water Heaters FAQs, answered by experts

The good news is that most home warranty plans cover hot water heaters, regardless of whether you have a tank or a tankless model. Your hot water heater should be covered by your home warranty because it's considered an essential home appliance.

Examples include gas stoves, ovens, and water heaters. Confirm with your provider for specific items.

Unusual noises, lack of hot water supply, efficiency loss, and visible leaks are signs of necessary replacement beyond mere repair.

Most hot water heater manufacturers recommend replacing the anode rod about once every three to five years. Anode rods sacrifice themselves by collecting iron, limestone, and other minerals that would otherwise corrode your hot water heater tank. This abuse wears them out long before your water heater does. Check the rod when you remove it and replace it if more than 50% of the metal has been consumed. Check the rod more frequently if you have hard water or use a water softener. 

While not all homes require a hot water heater expansion tank, they are necessary in most newer homes and are often mandated by local building codes. Codes typically require an expansion tank if your plumbing system is a 'closed-loop' system, which often includes a backflow preventer or pressure regulator on the main water line. Some municipalities have specific requirements. Installing an expansion tank on a closed system is crucial, as it prevents excess pressure that can damage your water heater and other appliances, potentially shortening their lifespan. However, tankless water heaters do not require an expansion tank.

The Waterloo, NE homeowners’ guide to water heater services

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