Water Heater Repair, Installation, and Sales in Troy, Illinois
Whether it’s taking a nice, relaxing shower or scrubbing the dishes clean after dinner, every home needs a functioning water heater. However, what option is right for you? Depending on the size of your home and family, and your water habits, your heater needs could change. Talk to the people at Neal’s Plumbing, LLC about water heaters and get advice on what’s perfect for your situation.

Tankless/On-Demand Water Heaters
Tankless or on-demand water heaters are gaining popularity in homes all over. Unlike traditional water heaters, a tankless model heats water as you need it and doesn’t require a pilot light.
While they’re more expensive and complicated to install, you could see the following benefits:
- Less Water Usage
- Increased Energy Efficiency
- Tax Incentives
- Increased Lifespan
- Take Up Less Space


At Neal’s Plumbing, LLC, we utilize the Navien NPE-2 Series and the NPN Series for our tankless water heaters. Navien tankless water heaters provide highly efficient and endless domestic hot water while keeping your home’s utility bill lower than before.
Traditional Water Heaters
These models are what you typically of when it comes to water heaters. A large tank that keeps a large quantity of water heated and ready for use. These could be the right option for your home depending on your budget, family size, water usage habits, and more. Talk to professional at Neal’s Plumbing, LLC about your heater and how a tankless or traditional heater could benefit you.
Water Heater Expansion Tanks
Does your heater have an expansion tank? As the tank heats your water, the pressure increases, which could cause damage to your system if left unchecked and out of control. Luckily, we install expansion tanks to relieve pressure and minimize the risk of damage. Tanks are available in varying sizes based on your heater, the pressure, the temperature of the water, etc. Ask our staff about what’s best for you.
Water Heater Repair Specialists

Water Heater Frequently Asked Questions
Tankless heats water only when you need it, so you never run out and you typically save on utility bills, plus it takes up far less space. A traditional tank has a lower upfront cost. We install both and can walk you through which makes sense for your home, your hot-water demand, and your budget.
Instead of storing and constantly reheating a tank of water, a tankless unit heats water on demand as it flows through the system. That’s why it can deliver endless hot water and runs more efficiently—it’s not spending energy keeping a tank hot around the clock.
Navien is a trusted, high-efficiency brand, and we’re Certified Navien Service Specialists—so we don’t just install these units, we’re trained to service them. We work with the NPE-2 and NPN Series in electric, propane, and gas, in both condensing and non-condensing models.
A traditional tank typically lasts 8–12 years; tankless units often last longer. Warning signs include water that’s rusty or never gets hot enough, popping or rumbling sounds, leaks around the unit, or a sudden drop in hot water. If you’re seeing these, it’s better to plan a replacement than to get caught with no hot water.
For most homes, yes—because it isn’t constantly reheating stored water, a tankless system uses less energy than a comparable tank. The exact savings depend on your household’s hot-water use, but the efficiency gain is one of the main reasons homeowners make the switch.