In our quest for the perfect tankless water heater, the FOGATTI RV Water Heater has emerged as a standout contender. With three optional door sizes (15"x15", 15"x18", and 18"x18"), it offers the flexibility we need for our RV refit. The installation was surprisingly straightforward, which is always a plus for us DIY enthusiasts. One of the features we appreciate most is its optimized summer comfort performance, ensuring that we can enjoy refreshing showers even on the hottest camping days. The InstaShower 7" capability allows for quick setup and use, essential for our family's active lifestyle. Overall, it seems that the FOGATTI caters perfectly to the needs of RVers like us, promising a reliable supply of hot water when we need it most. Stay tuned for our full review to see if it measures up in real-world conditions!