Water Heater FAQs

If your water heater isn’t producing hot water, it could be due to several issues depending on the type of unit you have. For gas water heaters, a faulty pilot light, thermocouple, or gas control valve may be the culprit. For electric models, it’s often a broken heating element or tripped circuit breaker. In both cases, it’s best to have a licensed plumber inspect the system. At Leto Plumbing & Heating, we perform thorough diagnostics to determine the exact cause and recommend the most cost-effective solution.

Traditional tank-style water heaters typically last between 8 to 12 years, while tankless models can last up to 20 years with proper maintenance. Factors like water quality, usage frequency, and annual maintenance play a significant role in the lifespan of your unit. If your system is approaching or beyond its expected life, it’s worth scheduling a professional inspection to assess whether repair or replacement is more economical.

Common signs that your water heater may need to be replaced include rust-colored water, strange noises like banging or rumbling, leaks around the base, and a noticeable decline in hot water supply. If you’re frequently running out of hot water or experiencing higher energy bills, these could be red flags. Leto Plumbing & Heating offers honest evaluations to help you decide whether repair or replacement is the smarter choice.

Tank water heaters store a set amount of hot water and keep it heated at all times. Tankless systems heat water on demand, which can reduce energy usage and eliminate the need for a storage tank. While tankless units typically have a higher upfront cost, they tend to be more energy-efficient over time. According to the U.S. Department of Energy, tankless water heaters can be 24%–34% more energy efficient for homes that use 41 gallons or less of hot water daily.

It’s recommended to flush your water heater at least once a year to remove sediment buildup, which can reduce efficiency and damage the tank. In areas like Plainfield with hard water, more frequent flushing may be beneficial. Our team at Leto Plumbing & Heating provides routine water heater maintenance services to help extend the life of your system and improve performance.

Noises like popping, rumbling, or banging typically indicate sediment buildup in the tank. As water heats, the trapped sediment creates air bubbles that make noise. Ignoring this issue can reduce efficiency and shorten the system’s lifespan. A professional flush may resolve the issue, but in older units, replacement may be necessary if corrosion has taken hold.

The right size depends on your household’s hot water demand. A typical family of four may require a 40- to 50-gallon tank, while smaller households can often use 30-gallon models. For tankless systems, sizing is based on flow rate (gallons per minute). We can help determine the best system for your needs by evaluating your home’s size and usage patterns during a free consultation.

Yes, many water heater issues can be repaired—especially if the unit is under 10 years old. Common repairs include replacing heating elements, thermostats, pressure relief valves, and igniters. However, if the tank is leaking or corroded, replacement is usually necessary. Leto Plumbing & Heating will always provide a clear breakdown of your options so you can make the best decision for your budget.

Yes, a leaking water heater can cause structural damage and pose safety risks. Leaks can result from tank corrosion, loose fittings, or faulty pressure relief valves. Left unchecked, water damage can lead to mold or electrical hazards. If you see pooling water or signs of moisture, call us immediately for emergency service in the Plainfield area.

To improve energy efficiency, consider insulating your tank and pipes, lowering the thermostat to 120°F, and scheduling regular maintenance. You might also consider upgrading to an ENERGY STAR® certified water heater, which uses up to 10% less energy. Learn more about energy-saving tips from ENERGY STAR or contact us for personalized recommendations.

The recommended setting is 120°F. This temperature helps prevent scalding, reduces energy use, and slows mineral buildup and corrosion inside the tank. Higher settings may increase energy costs and risk of burns. If you have young children or elderly residents at home, keeping it at 120°F is especially important.

Low hot water pressure can stem from mineral buildup in pipes, a failing shutoff valve, or issues within the water heater itself. Sediment or corrosion in the tank can also block water flow. Our technicians can quickly identify the cause and restore your system’s pressure and efficiency with the right fix.

If you’re going away for an extended period, it’s a good idea to turn off your water heater or switch it to “vacation mode” if it has one. This helps conserve energy and reduces the risk of issues while you’re away. When you return, allow the system time to fully reheat before resuming normal use.

Tankless systems offer long-term savings on energy bills and a continuous supply of hot water. They’re ideal for households with consistent usage or those planning to stay in their home long-term. While installation costs are higher, their efficiency and lifespan can offset the initial investment. Leto Plumbing & Heating can walk you through the pros and cons based on your home’s layout and needs.

Installing a water heater is not recommended as a DIY project. It involves working with electricity, gas lines, and plumbing codes that require proper certification. Improper installation can void warranties and create safety hazards. Our licensed professionals ensure your unit is installed safely, efficiently, and up to code for peace of mind.