If your heater sounds like popcorn or your shower runs cold too fast, timing is probably the issue, not just the heater. Most homeowners wait for failure due to water hardness, usage spikes, and seasonal demand.    Instead of yearly guesswork, smart electric water heater service intervals can reduce sediment buildup, eliminate rumbling noises, and speed up recovery time.   In this blog, you’ll learn interval strategies that match how your home actually…