Can you soften just hot water?
Herein, can you run hot water through a water softener?
Water Softener Connected to Hot Water. Do not run hot water through the water softener. Install a water softener between the water inlet and your water heater. Note: Incoming water temperatures must be less than 120 degrees F.
Similarly, you may ask, do you soften hot and cold water?
Yes… with the exception of your outside tap. If you soften just the hot water, as soon as it is combined with cold water it reverts back to being hard water. Therefore, both hot and cold need softened.
They are quite expensive but worth the investment as softened water does offer some significant benefits. Softened water feels silkier and makes hair softer and easier to manage. Water softeners work by removing the minerals (calcium and magnesium) that cause the hardness, the process is called ion-exchange.