Service Area: Collin, Dallas, & Denton Counties
When your Navien tankless water heater needs servicing, choose Harmony. As a Navien Service Specialist, we are trained and licensed to perform warranty work and routine maintenance.
There’s never a convenient time to lose hot water—especially when your Navien system shuts down without warning. Whether it happens in the middle of a shower, during dinner prep, or right before guests arrive, it instantly disrupts your day. That’s why Harmony Plumbing prioritizes same-day service for Dallas homeowners. We understand how important hot water is to your comfort and routine, and we respond with urgency. Our team comes prepared to diagnose the issue quickly and get your system back online with minimal hassle, so you can return to life as normal.
From error codes and ignition failures to scaling buildup, flow sensor issues, and low water pressure, we handle every Navien tankless problem with precision and care. These advanced systems are efficient but complex—diagnosing the root cause requires expertise. If your unit is displaying an error code like E003, E110, or any other warning, don’t rely on guesswork or temporary fixes. We restore not only hot water but also the performance, safety, and energy efficiency your system was designed to deliver.
From five-star reviews to word-of-mouth referrals, Harmony Plumbing has earned a reputation Dallas homeowners trust. Our focus on timely service, expert Navien repairs, and upfront pricing means our customers always know what to expect. We don’t cut corners—we build long-term relationships by doing things the right way. Dallas homeowners count on us for fast, accurate repairs and dependable customer service that never leaves them guessing.
We go above and beyond to deliver 5-Star service, providing exceptional quality workmanship and ensuring that every homeowner we work with has their plumbing problem resolved.
We are not a franchise or private-equity-owned company, but a fully local family-owned Dallas company. As Texans, we subscribe to the Texan values of freedom and equality for all.
You can trust us to provide clear, upfront pricing for all our services, with no hidden fees or surprises.
With their expertise and attention to detail, you can rest assured that your plumbing needs are in capable hands. Our adherence to state and city regulations ensures that our work is safe, reliable, and up to code, giving you peace of mind.