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

Avatar for McDonagh & Sons Plumbing & Sewer Inc
McDonagh & Sons Plumbing & Sewer Inc
4.1(
69
)
Solar Water Heater System - InstallTankless Water Heater - InstallTankless Water Heater - Install - For Business+6 more

Serving Gardner, IL and surrounding areas

In business since 2010

Free estimates

Emergency services offered

"I own a two flat in the city. Today i got a call from one of my tenants telling me that there was a leak. i called mcDonoagh and Sons and within two hours, they ha a Technician come out on st Patrick's day diagnose the problem, get the appropriate parts and fix it. I was very impressed with the responsiveness and the speed of service. He also made helpful recommendations for how to maintain my water heaters.
"
Recommended by96%of homeowners
Avatar for American Home Shield – Home Warranty
American Home Shield – Home Warranty
3.5(
5,689
)
Solar Water Heater System - InstallTankless Water Heater - InstallTankless Water Heater - Install - For Business+6 more

Serving Gardner, IL and surrounding areas

In business since 1971

Credit card accepted

"We pay yearly but we have this is included with our rental property. They are pretty good on most things. We had a hot water heater replaced and they did an excellent job on that. They are very quick on their response. They dont come out here. It is all done on the internet.  I just like the idea that one time service charge is so much better than trying to hiring someone to come in. It is more about convenience. It pays for itself."
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+2

Recommended by65%of homeowners
Avatar for Green Earth Enterprises Inc
Green Earth Enterprises Inc
4.7(
7
)
Solar Water Heater System - InstallTankless Water Heater - InstallTankless Water Heater - Install - For Business+6 more

Serving Gardner, IL and surrounding areas

In business since 2009

Free estimates

Emergency services offered

We’re here to change your perceptions of what it means to be a property owner in today’s fast paced marketplace. Whether you are a landowner with rental property, or if you would like to “flip” a property you've just purchased or maybe you're a Realty Management Company seeking to prepare your managed property for the market or simply the next tenant. We're here to help you meet your needs in an affordable & efficient manner. We offer a wide array of services to choose from in whole or in part, as it fits your needs & budget. We look forward to doing business with you! Additional Emails - [email protected], [email protected], [email protected]. Additional Address - Princeton, IL 61356.

Recommended by71%of homeowners
Joy Plumbing, Inc.
4.3(
17
)
Water Heater - Install or ReplaceWater Heater - Repair or Service

Serving Gardner, IL and surrounding areas

In business since 2005

"Jeff was a pleasure to watch work; He seems to be professional. When I buy a new water heater for my home, he said he will return to install it along with an outside water faucet. When he's done, I'll report back. Jeff did a great job on the heater but the outside faucet leaked like crazy shortly after he left. I had to take it all apart myself and redo it. Water leaked from around the handle. The washer inside the handle was busted."
 pvc vents
 Moen 5 function valve
 rough in for double bowl
 vents in attic
 Moen 3 function valve

+11

Recommended by23%of homeowners
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Water Heaters FAQs, answered by experts

While a water heater explosion is rare, it is a serious danger. Be aware of these critical warning signs:

  • Sulfur or Rotten Egg Smell: This is a major red flag, especially for gas water heaters. It can indicate a gas leak, which could ignite and cause an explosion.

  • Leaking Pressure Valve: If the temperature and pressure (T&P) relief valve is leaking, it may not be able to properly regulate internal pressure, creating a risk of bursting.

  • Shaking or Rumbling: Loud rumbling or shaking from the tank can be a sign of extreme pressure buildup.

  • Excessive Heat: If the exterior of the water heater feels unusually hot to the touch, the unit may be overheating dangerously.

  • Rust-Colored Water: This can be a symptom of severe internal corrosion that compromises the tank's integrity.

If you notice any of these signs, especially a gas smell, you must act immediately. Shut off the gas supply to the water heater and call a professional plumber right away to prevent a potential disaster.

Electric water heaters use a high amount of electricity, so they’re best for homeowners who subsidize their electric bill with solar or who live in an area with inexpensive electricity. For others, gas water heaters versus electric water heaters may be the more cost-effective solution, with the added bonus of heating water quickly and efficiently. No matter which you choose, you can lower your water temperature as low as possible to keep costs down.

Unless they are connected to the same system, boilers and water heaters will both need their own expansion tanks. The only case they wouldn’t have separate expansion tanks is if the boiler is pulling double duty and managing a heating system while also supplying hot water for a home. In which case, you may not need a hot water heater.

Due to the high temperature, using stainless steel vent pipes for your tankless water heater’s exhaust vent is best. Also, it is safe to use a flexible vent duct as the exhaust fan. If installing the exhaust fan yourself, make sure you are using heat-resistant silicon to connect the exhaust vent and the duct on your water heater.

If you're replacing a broken water heater, now is a great time to make sure you're selecting a unit that has the right capacity for your household. According to the U.S. Department of Energy, a small 50-gallon to 60-gallon tank is sufficient for households with one to three people. A medium-sized 80-gallon tank is considered ideal for three to four people. A larger tank may be needed if your household has four to six people.

The Gardner, IL homeowners’ guide to water heater services

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