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Rainbow Plumbing is an official Navien Certified Installer , providing homeowners with high-performance, energy-efficient water heating...

If you've ever noticed chalky buildup on your faucets, stiff laundry, or dry skin after a shower, you're likely dealing with hard water ....

At Rainbow Plumbing and Hydronic Center, water quality isn’t a guess—it’s a science. Before and after we install any water softener...

Imagine stepping onto a warm floor on a chilly morning in your Orange County home—no more cold tile or freezing hardwood underfoot....