Radiant plumbers replace water heaters with experienced hands and a reputation for doing the job right.
Radiant has been replacing water heaters across Austin and San Antonio for over 20 years. Our licensed plumbers help you choose the right system for your home, install it properly, and make sure everything is running safely and efficiently. We don’t rush the job or cut corners—just straightforward installation done the right way, so your hot water works the way it should.
Just Call Radiant.
Expert Repairs, Honest Service, No Guesswork
Straight answers, solid work, and a team that follows through with no runaround and no guesswork.
Serving Austin & San Antonio
Trusted by homeowners across Austin and San Antonio for reliable plumbing and HVAC work, built on decades of consistent service and long-term relationships.
Flexible appointments with weekend availability mean you’re not stuck waiting around for us, we show up when we say we will.
Upfront recommendations and transparent pricing, with no pressure, just clear options so you can make the right call for your home.
Backed by our Home Comfort Guarantee, just one more reason to call Radiant.
Radiant operates across Austin and San Antonio, keeping over 10,000 homeowners happy with home repairs, installations, and maintenance.
Our comprehensive plumbing services ensure your entire home plumbing system functions flawlessly. Explore how we can enhance your home’s plumbing infrastructure with a range of expert services designed for efficiency and reliability.
In Texas, a State of Texas Licensed Plumber is required for water heater installation unless you live on a homestead. A Homestead Exemption permit may allow non-licensed individuals to perform work on their owned and occupied premises, following specific procedures.
Professional assistance is crucial in navigating the complexities of choosing the right water heater, considering factors like fuel sources, models, and sizes. A certified plumber’s expertise ensures proper calculations, ideal temperature settings, and error-free installations, ultimately preventing costly repairs and premature failure.
Since 2007, Texas law mandates a plumbing permit for water heater replacement, requiring a licensed plumber to comply with state and local plumbing codes. Additionally, a licensed plumber must inspect the installation to confirm safety and correct operation, as errors can pose serious hazards.
The cost to install a hot water heater varies based on factors such as the type of heater, capacity, location, and any additional plumbing work required. On average, as of my last knowledge update in 2022, the installation cost for a standard 40-50 gallon gas or electric water heater might range from $300 to $900, excluding the unit’s cost. Tankless water heaters, being more complex, could incur higher installation costs, ranging from $1,000 to $3,000 or more. However, these are general estimates, and actual costs can vary significantly. To get an accurate estimate for your specific situation, it’s recommended to obtain quotes from local plumbing professionals.
The installation time for a new hot water heater can vary depending on factors such as the type of heater, the complexity of the installation, and any additional plumbing work required. In general, a straightforward replacement of a standard tank-style water heater might take around 2 to 4 hours. However, if the installation involves switching from a tank to a tankless system or if there are complex plumbing modifications needed, the process could take longer, potentially spanning a full day. Call Radiant Plumbing and Air and we’ll get you a quick quote for installing a new hot water heater in your home.
Signs of a failing water heater include inadequate hot water supply, unusual noises like popping or banging, visible leaks around the tank, discolored or foul-smelling water, fluctuating water temperatures, and increased energy bills. Additionally, the presence of rust on the tank, corrosion on the burner or flue, or frequent pilot light outages can indicate potential issues. If you observe any of these signs, it’s crucial to address them promptly, either through DIY troubleshooting or by call Radiant Plumbing to assess and remedy the problem. Early intervention can prevent more extensive damage and ensure the continued efficient operation of your water heater.
Installing a new water heater is about more than swapping out equipment. It takes the right sizing, the right setup, and the right team to make sure your home or business has dependable hot water for the long haul. At Radiant Plumbing, Air Conditioning & Electrical, our licensed plumbers and HVAC professionals have been installing and replacing water heaters across Austin and San Antonio for over 20 years, with expert guidance that helps you choose the best fit for your property, usage, and goals.
When it’s time for a water heater replacement or installation, experience matters. Our team knows how to evaluate your current setup, identify what is and isn’t working, and recommend a system that fits your daily hot water needs without oversizing, undersizing, or adding confusion to the process.
The best water heater is the one that fits your property and the way you actually use hot water. That is why we look at more than just the old unit. We consider household size, number of bathrooms, usage patterns, fuel source, space constraints, efficiency goals, and whether your current system is keeping up.
Some jobs are straightforward replacements. Others involve changing out a water heater for a different type, fuel source, or capacity. We handle both. Whether you are replacing an aging unit with something similar or upgrading to a more efficient system, our team makes sure the installation is planned properly from the start.
Proper installation has a direct impact on safety, efficiency, and lifespan. A poorly sized or poorly installed water heater can lead to inconsistent hot water, higher energy costs, premature wear, and avoidable repairs. Our job is to make sure your system is installed to perform the way it should from day one.
A new water heater is a long-term investment, and keeping it in good shape matters. With the Care Club, it is easier to stay on top of maintenance and protect the performance of your plumbing system over time. We can help you keep your new water heater running efficiently, catch wear early, and stay ahead of the issues that shorten system life.
If you need a plumber for water heater installation or replacement, Radiant is ready to help. We install systems with care, size them to fit your property, and make sure you understand your options, whether you want a standard tank model or are interested in going tankless. Schedule online or call to get started.