Installing a Tankless Water Heater
Installing a tankless water heater can improve your home's energy efficiency and provide an endless hot water supply. In the video above, This Old House plumbing and heating expert Richard Trethewey demonstrates the installation of an on-demand water heater . While it's possible for DIYers with significant plumbing and electrical experience to tackle the job, this is an advanced project ...

Tank Vs Tankless Water Heater

A tankless water heater offers energy efficiency and endless hot water , ideal for smaller spaces. A tank water heater is better for homes needing high water volume and has a lower upfront cost.

Moving forward, it's essential to keep these visual contexts in mind when discussing Tankless V Tank Water Heater Installation.
To switch from a tank water heater to a tankless water heater , first turn off the power and water supply, then disconnect the tank heater , install the tankless unit according to the manufacturer's instructions, ensuring proper venting and plumbing connections, and finally, restore the power and water supply to test the system.
Tankless water heaters can save 24-34% energy but cost $1,300-2,650+ installed vs $1,170-1,400 for tanks . Real payback: 12-27 years. See complete comparison with costs, performance, and regional considerations.
Installing a tankless water heater in your home can provide unlimited hot water on demand while saving space and energy costs. But hooking up this efficient appliance requires careful planning and execution.
Additional Notes on Tankless V Tank Water Heater Installation
Tankless Vs. Tank: Which Water Heater Is Right For You? - SOVRNY. This note connects the source idea with the visuals in a simple, reader-friendly way.
Tankless Water Heater vs Tank: Complete 2026 Cost & Efficiency Guide. This note connects the source idea with the visuals in a simple, reader-friendly way.
Tankless vs Tank Water Heater: Pros, Cons. This note connects the source idea with the visuals in a simple, reader-friendly way.
Looking at multiple sources also helps separate the main idea from small decorative details.
These notes are added so the page offers more than images and gives each visitor a clearer reason to keep reading.