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Water Heater Maintenance
Water Heater Installation
Water Heater Equipment

Chicago Water Heater Repair

Trust Our Experts to Resolve Your Water Heater Problem Fast

No hot water? Water TOO hot? Or is your water heater leaking or making strange sounds? The expert plumbers at Althoff can find and fix your water heater problem, satisfaction guaranteed. Need a new water heater installed? We can take care of that, too.

Emergency Water Heater Repair in Chicago and the Northwest Suburbs

Problems with your water heater, such as leaks, can’t always wait. We offer 24/7/365 emergency service. With responsive customer service and two Chicago area locations to reach you fast, we’ll get your home life back to normal ASAP.


Water Heater Repair Process

Use this form or call us at (815) 455-7000 to request a water heater repair. You’ll speak with a friendly Customer Service Rep to schedule a time that’s convenient for you. We offer a 2 hour time window for our customers in the suburbs and a 3 hour time window in the City.

We know you’re busy. Don’t wait at home. Our dispatchers will call you when our water heater technician is on his or her way.

Our expertly trained plumbers begin with a thorough evaluation of your water heater equipment. We’ll diagnose the immediate problem but also examine the entire unit to determine if there are any underlying issues or potential hazards.

Once the diagnosis is complete, our plumber will prepare a prioritized list of recommendations and pricing. All recommendations are explained so that you understand exactly what the problem is and how much it’s going to cost. We never perform any repairs without getting your approval first.

In most cases, your plumber can get the part needed from our fully stocked trucks or a nearby warehouse. Our goal is to get your water heater fixed that day.

Once complete, our plumber will walk you through the work performed and any recommendations moving forward. You will receive a detailed service ticket describing work performed and associated billing.

Your opinion is everything to us. You can be sure that we’ll use your valuable feedback in our ongoing goal to provide the best possible service.

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Water Heater Emergency?
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Chicago Water Heater Maintenance

Annual Maintenance Helps Keep Your Water Heater Working Safely & Efficiently

Often overlooked, water heaters can last long periods of time without any care. However, having your water heater maintained once a year helps ensure safe operation, maintain efficiency, and extend the life of the unit.

What’s Included in Your Water Heater Maintenance Visit?

Our evaluation starts with you, not a checklist. We always begin by having a brief discussion with you to gain an understanding of what’s important for you. Is the water too hot or not hot enough? Do you run out of hot water frequently? Are there any unusual noises, odors or leaks? Is there anything you want the technician to pay special attention to?

From there, our technician will perform an inspection and maintenance of your water heater. The steps vary depending on the type of water heater you have.

Every manufacturer of tankless water heaters recommends regular cleaning and flushing. Due to the hard water in our area, if left unattended the heater will develop lime and mineral deposits on the narrow passageways of the heat exchanger. If the heat exchanger is not properly descaled those passageways can become blocked and not allow enough water to pass through.

Damage and/or leaks to the heat exchanger related to buildup is not covered by the manufacturer’s warranty.

  • Connect hoses to service valve kit and flush thoroughly with descaler for at least 45 minutes to clean the water side of the heat exchanger*
  • Clean combustion air intake screen
  • Clean spark ignitor and flame sensor
  • Visually inspect burners
  • Remove and clean condensate trap
  • Visually inspect all internal water piping connections
  • Verify safe water temperature settings
  • Inspect relief valve for weeping
  • After descaling system with treatment, flush system with fresh water and verify for proper operation and leaks

*Must have service valve kit installed.

  • Measure draft pressure to ensure flue gases are safely leaving the home
  • Perform a combustion analysis to ensure safe and proper combustion
  • Pull the burner and clean with a brush
  • Clean the pilot assembly in place
  • Vacuum the burner cabinet
  • Reverse the vacuum and blow out the intake area
  • Replace the thermocouple if applicable
  • Reassemble and check for gas leaks
  • Inspect the relief valve for weeping

Chicago Water Heater Installation

From hot showers to clean dishes and laundry, your water heater delivers so many comforts to your home. Heating your water can become a significant monthly expense, especially if your water heater isn't working properly.

Althoff's expert plumbers can keep your water heater running at peak performance, or install a new, energy-efficient water heater. You'll save money every month while reducing environmental emissions.

Water Heater Equipment

Althoff Industries offers gas, electric, and power-vented water heaters in capacity ranges from 30 to 75 gallons from top-quality brands – including A.O. Smith, State Water Heaters, Rheem and Bradford White. Our knowledgeable staff will help find the right water heater for your needs and budget.


Navien NPE Series Condensing Tankless Water Heaters

  • Much more efficient than standard tank systems
  • Highest energy efficiency in the industry
  • Energy Star certified
  • Takes about 80% less space than traditional tank heaters
  • 15 year heat exchanger warranty
  • Easy to use control panel
  • Internal recirculation system on automatic model saves water and reduces time to get hot water
RH Performance

Rheem Atmospheric Vent Gas Water Heater 40, 50, and 75 Gallon Capacity

  • 6 year tank and parts warranty
  • With ProtectionPlus the 6-year warranty becomes 10-year
  • EverKleen patented system fights sediment build up
  • Exclusive Rheemglas tank lining resists corrosion and prolongs tank life
RH Classic

Rheem Power Vent Gas Water Heater 40, 50, and 75 Gallon Capacity

  • 6 year tank and parts warranty
  • With ProtectionPlus the 6-year warranty becomes 10-year
  • EverKleen patented system fights sediment build up
  • Uses indoor air for combustion; blower exhausts the flue gases

Experience You Can Trust for Your Water Heater Repairs and Installation

Althoff has been repairing water heaters and related equipment in the Chicago area for nearly 60 years.

  • Family owned and operated
  • Licensed, insured and bonded
  • True 24 hour service
  • Live phone operators and staff
  • Employees drive marked vehicles and wear a uniform & ID badge
  • We quote firm prices upfront
  • We install only quality brands and products
  • Professionally trained plumbers
  • Ongoing training in our state of the art training lab
  • We clean up when we’re done
  • Variety of payment options available
  • Satisfaction guaranteed

Our licensed technicians arrive at your home within a convenient 2-hour window (we always call when we're on the way). We'll park our clearly marked service truck in the street in clear view of the house, not in your driveway. We'll be easy to recognize in our clean uniform and name badge as we greet you with a business card and a smile. Our technicians never enter your home before asking permission and putting on their shoe covers. They carry “red carpets” and drop cloths to set their tool bags on and protect your property.

We respect your time and your home. We do everything we can to make your service call convenient and comfortable.




"Matt knows our systems and definitely knows what he is doing. We have total confidence when he leaves that everything is done correctly."

~ T.S from North Barrington, IL


"Althoff's is a very good company who always gives great service and timely service by well-trained technicians. We are delighted to do business with this company!!"

~ R.G. from Crystal Lake, IL


"The tech was on time, efficient, and extremely knowledgeable. I would definintly use this individual again, if or when I need this kind of help."

~ M.S. from Crystal Lake, IL


Let Our Customers Tell You How Great We Are

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