Last updated: September 24, 2026
What affects the price
The final price for a new water heater depends on a few moving parts. First, you have to choose the right fuel source—gas or electric—and decide if you want to stick with a standard tank or upgrade to a tankless model. We also look at the physical space where it sits and whether your current venting or gas lines meet modern safety codes. If we need to move the unit or upgrade plumbing to get it up to speed, that shifts the labor involved. Exact pricing confirmed free on the call.
About this service
Rinnai systems provide on-demand hot water, but internal components like flow sensors or igniters can eventually wear down. If your unit is making unusual sounds or failing to provide steady heat, it is time for a professional assessment. We identify the root cause of the performance drop to restore your system’s efficiency. Costs vary based on the specific part replacement needed. Exact pricing confirmed free on the call.
While you might not think about hot water as much in the summer, it is a great time to evaluate your system’s health. Because the incoming groundwater is warmer, your heater doesn't have to work as hard, making it a stress-free window to replace an aging unit before you hit the busy autumn season.
Frequently asked in Sioux Falls
How long do hot water heaters typically last?
Tankless water heaters, like your Rinnai, are built for durability and can last around 20 years with proper care and maintenance. This long lifespan makes them a wise investment for Sioux Falls residents. Regular check-ups and addressing any minor issues promptly will help ensure your unit operates efficiently throughout its life. Proper servicing is critical.
What is the average cost of putting in a water heater?
What is the most efficient type of water heater?
When considering energy efficiency, tankless water heaters are generally the top choice. They heat water on demand, which means you're not paying to keep a large tank of water hot all the time. This 'on-demand' heating can lead to substantial savings on your energy bills in Sioux Falls. Rinnai is a well-respected brand known for its efficient tankless technology.
What are signs I need a new water heater?
You should look out for several signs that suggest it's time for a new water heater. These include a noticeable drop in hot water pressure or temperature, strange noises coming from the unit, or visible leaks. An increase in your utility bills related to hot water usage can also be a warning sign. If your Rinnai is exhibiting these issues, it's time to get it checked.
What is the most common problem with a hot water heater?
Common problems with tankless water heaters can include sediment buildup that restricts water flow, igniter failures, or issues with the control board. For tank heaters, leaks and internal corrosion are more frequent. Identifying the specific symptoms your Rinnai is displaying is the first step to a successful repair. Pay attention to any unusual sounds or performance changes.
Is it worth it to repair a hot water heater?
Deciding whether to repair or replace your water heater in Sioux Falls depends on the problem and the unit's age. For newer heaters with minor issues, repair is often the most economical choice. However, if the heater is old and requires significant repairs, investing in a new, more efficient model might be a better long-term financial decision. A professional assessment will provide the best guidance.
Also serving nearby: Omaha · Lincoln · Bloomington · Minneapolis · Des Moines
More on this: DOE water heating — efficiency and sizing.
Service area details
Serving all of Sioux Falls — population 206,410; about 2,496 residents per square mile across 82.7 sq mi. ZIP codes covered include 57101, 57103, 57104, 57105, 57106, 57107, 57108, 57109.
Neighborhoods served in Sioux Falls: Downtown Sioux Falls, The Cathedral District, Hawthorne, All Saints, Riverbend — and every surrounding area.
Areas we serve
Browse by state, then city.
Alabama (4)
All of Alabama · Birmingham · Huntsville · Mobile · Montgomery
Alaska (1)
Arizona (9)
All of Arizona · Chandler · Gilbert · Glendale · Mesa · Peoria · Phoenix · Scottsdale · Tempe · Tucson
Arkansas (1)
California (32)
All of California · Anaheim · Bakersfield · Chula Vista · Elk Grove · Fontana · Fremont · Fresno · Garden Grove · Glendale · Huntington Beach · Irvine · Lancaster · Long Beach · Los Angeles · Modesto · Moreno Valley · Oakland · Oceanside · Ontario · Oxnard · Palmdale · Rancho Cucamonga · Riverside · Sacramento · San Bernardino · San Diego · San Francisco · San Jose · Santa Ana · Santa Clarita · Santa Rosa · Stockton
Colorado (4)
All of Colorado · Aurora · Colorado Springs · Denver · Fort Collins
District of Columbia (1)
Florida (10)
All of Florida · Cape Coral · Fort Lauderdale · Hialeah · Miami · Orlando · Pembroke Pines · Port St. Lucie · St. Petersburg · Tallahassee · Tampa
Georgia (3)
All of Georgia · Atlanta · Augusta-Richmond County · Columbus
Hawaii (1)
Idaho (1)
Illinois (2)
Indiana (2)
Iowa (1)
Kansas (2)
Kentucky (2)
All of Kentucky · Lexington-Fayette · Louisville/Jefferson County
Louisiana (3)
Maryland (1)
Massachusetts (2)
Michigan (2)
Minnesota (2)
Missouri (3)
Nebraska (2)
Nevada (4)
All of Nevada · Henderson · Las Vegas · North Las Vegas · Reno
New Jersey (2)
New Mexico (1)
New York (4)
All of New York · Buffalo · New York · Rochester · Yonkers
North Carolina (7)
All of North Carolina · Cary · Charlotte · Durham · Fayetteville · Greensboro · Raleigh · Winston-Salem
Ohio (4)
All of Ohio · Akron · Cincinnati · Cleveland · Toledo
Oklahoma (1)
Oregon (3)
All of Oregon · Eugene · Portland · Salem
Pennsylvania (2)
Rhode Island (1)
South Dakota (1)
Tennessee (6)
All of Tennessee · Chattanooga · Clarksville · Knoxville · Memphis · Murfreesboro · Nashville-Davidson metropolitan government (balance)
Texas (16)
All of Texas · Amarillo · Arlington · Brownsville · Corpus Christi · El Paso · Fort Worth · Frisco · Garland · Grand Prairie · Houston · Irving · Laredo · Lubbock · McKinney · Plano · San Antonio
Utah (1)
Virginia (5)
All of Virginia · Chesapeake · Newport News · Norfolk · Richmond · Virginia Beach
Washington (4)
All of Washington · Seattle · Spokane · Tacoma · Vancouver
