If you’re considering a tankless water heater for your home, it is important to make an educated decision. While a tankless water heater does offer a wide range of benefits, there are also some potential downsides. You don’t want to be caught off guard by investing in a tankless water heater only to find out that it isn’t really meeting your family’s needs.
You can keep reading to learn more about the benefits of a tankless water heater, as well as the potential downsides. Then, you can give our team a call for your in-home assessment. We can help review all of your water heater options and choose the unit that best fits your needs.
Is tankless water heater installation worth it?
- Tankless water heater installation can be worth it if you want a nearly endless supply of hot water.
- It may help lower energy use because water is heated only when needed.
- It is a strong option for larger households that use hot water throughout the day.
- Installation usually costs more than a traditional tank water heater.
- A tankless system may require plumbing changes or additional fixtures.
- It may not support multiple hot water tasks at once as well as some tank systems.
Pros of a Tankless Water Heater
One of the biggest benefits of a tankless water heater is the nearly endless supply of hot water that it can provide for your family. This is especially encouraging for larger families who otherwise have to plan showers, washing dishes, and washing clothes on a schedule with a tank water heater. You can complete tasks back to back that require hot water without worrying about running out.
As long as your water source is providing water to your home, your tankless water heater can heat it up for use as long as you need. This means you can take a shower without worrying about how much hot water will be left for other people or chores in your house.
You also stand to save some money on your energy costs related to heating water. With a tank water heater, the system is working around the clock to maintain a supply of hot water so it is available when you need it. That means overnight and even during the day while you’re at work, your water tank is using energy to keep water hot. But a tankless water heater heats water on demand instead. Energy is only being used when hot water is needed.
Cons of a Tankless Water Heater
Even though you do have a nearly endless supply of hot water, a tankless water heater still has its limitations. With a tank water heater, you could use hot water from multiple sources in your home at the same time with strong water pressure. Of course, that hot water is going to run out faster, but as long as hot water is available, water pressure is strong. With a tankless water heater, the system can only heat so much water at a time.
If you are using hot water from multiple sources in your home, each one of those sources may experience lower water pressure as a result. So while you do not have to time your showers, you may still have to spread out activities to only complete one task at a time. You may not want to have your clothes washer running on a hot cycle when you also plan to be in the shower.
Plus, installation for a tankless water heater costs more than installing a tank. This is because the system itself costs more and so does installation. If you already have a tank water heater, replacing it with another one is pretty simple. But when you want to upgrade to a tankless water heater, our team has to adjust your plumbing and install additional fixtures to allow the tankless system to operate the way it needs to.
Frequently Asked Questions
Question: What are the main benefits of a tankless water heater?
Answer: Tankless water heaters heat water only when you need it, which can improve energy efficiency and reduce standby heat loss. They also take up less space than traditional tank models and can provide continuous hot water when properly sized for your home’s demand.
Question: What are the disadvantages of tankless water heaters?
Answer: The biggest drawbacks are higher upfront costs, more complex installation, and possible limits on how much hot water the system can deliver at one time. If several showers, appliances, or fixtures run together, an undersized tankless unit may struggle to keep up with demand.
Question: Are tankless water heaters more energy efficient?
Answer: Yes, tankless water heaters are often more energy efficient because they do not keep a full tank of water hot all day. Instead, they heat water on demand. Actual savings depend on your household’s hot water use, unit size, fuel type, and installation quality.
Question: Do tankless water heaters provide endless hot water?
Answer: Tankless water heaters can provide continuous hot water as long as the demand stays within the unit’s flow capacity. This means one properly sized system may handle normal daily use well, but too many fixtures running at once can reduce water temperature or performance.
Question: Is a tankless water heater worth it for my home?
Answer: A tankless water heater may be worth it if you want better efficiency, more space, and long-term performance. It may not be the best fit if your budget is tight or your home needs major upgrades for installation. A professional can help compare costs, capacity, and household needs.
Contact Affinity Gas Services today to schedule an appointment with our professionals. We’re “The Gas Efficiency Experts.”

