Replacing the AC system may not be the most exciting home remodeling project, but it’s necessary if your system is more than 15 years old and if repairs are getting expensive.

The modern plumbing system is highly complex, with pipes running throughout the entire home to bring water to kitchens, bathrooms, and laundry rooms. One leak may seem insignificant in the grand scheme of things, but you might be in for a surprise once the water bill comes.

Roger The Plumber, a residential plumbing and HVAC services company, cautions against performing DIY plumbing repairs and recommends professional service for serious plumbing issues.

It doesn’t take much to keep the plumbing system working right, but it is important to keep up with routine maintenance on a daily, weekly, and seasonal basis. Here are a few things every homeowner should do to keep their plumbing system in optimal condition.