Checked the hot water Found iron build up in the discharge line for the water heater Cleared the blockage at the water heater, replaced the flex hose Flushed out the top of the water heater Insured the water pressure is normal No room for a softener or iron filter, may just have to manage symptoms Owner is renewing gp Also customer is having the ac replaced in the spring so will not need the ac tuneup done on the old system