Commercial Water Heater Service
High-demand tank, tankless, and recirculating hot water systems for hospitality, healthcare, and multi-family — sized right and up before your first shift.

About this service
When a commercial water heater fails, the clock starts: no hot water means no dishwasher, no laundry, no showers, and in a lot of cases a health-code problem. We stock and can source high-BTU commercial tanks, gas and electric tankless banks, and hybrid systems, and we can turn most emergency replacements in under 24 hours.
For scheduled projects — tenant improvements, hotel retrofits, gym expansions — we size by peak-hour demand, not tank gallons, so you're not paying for capacity you don't need or running out at 6 a.m. We also handle venting, gas capacity, and expansion tank code items in the same scope.
For property managers, we set up preventive service intervals: annual flush, anode inspection, T&P testing, and combustion tuning. That's how we've kept a lot of South Bay restaurants and small hotels off the 3 a.m. emergency list.
What our commercial water heater service covers
- Emergency same-day replacement of failed commercial tanks
- Tankless bank installs sized to peak-hour demand
- Recirculating pump integration for instant hot water at every fixture
- Gas capacity, venting, and expansion tank corrections
- Annual preventive maintenance for restaurants, gyms, and hotels
- Warranty coordination on Bradford White, Rheem, Rinnai, Navien, A.O. Smith
Our process for commercial water heater service.
Call or Book Online
Tell us what's going on. We'll schedule a same-day slot when we can.
On-Site Diagnosis
A licensed tech inspects the issue and confirms scope before any work starts.
Upfront Flat-Rate Quote
You approve the price in writing. No surprises, no hourly meter.
Fix, Test & Guarantee
We complete the work, test it in front of you, and back it in writing.
Why homeowners pick Stars & Stripes for this.
Peak-Hour Sizing
We size for the 6 a.m. shift, not tank gallons. Your building never runs cold at rush.
Same-Day Emergencies
Failed commercial tank? We can source, permit, and swap most models same day.
PM Contracts Available
Annual flush, anode, and combustion checks on a schedule — invoiced to your AP.
Manufacturer Certified
Direct warranty work on the major commercial brands, not a middleman claim.
You might also need.
Questions about commercial water heater service.
In most cases yes. Call and give us the model, gallon size, and fuel type — we'll confirm stock or same-day sourcing and give you a flat-rate swap price before we dispatch.
Depends on peak demand and gas capacity. For continuous-flow uses (hotels, gyms) tankless banks make sense; for short spikes (restaurant dish pit) a large tank or hybrid is usually more cost-effective. We size both and quote.
Yes — every commercial water heater install is permitted. That protects your building insurance and your certificate of occupancy.
Yes. We offer scheduled annual service for commercial water heaters that includes flush, anode, T&P test, and combustion tune, invoiced to your AP.
Need commercial water heater service? Book a same-day slot in South Bay.
Same-day appointments across South Bay. 24/7 emergency dispatch. Upfront pricing before we touch a wrench.