- HEP Plumbing
- High-capacity Water Heaters

High-capacity Water Heaters
High-capacity Water Heaters | Commercial Plumbing | Plumbing | Maryville
Need a water-heating workhorse that can keep pace with your bustling business in Maryville? HEP’s high-capacity water heaters deliver a steady, energy-smart supply of hot water for restaurants, hotels, health clubs, manufacturing lines, and every enterprise in between. Our licensed technicians size each system precisely to your peak-demand profile, install it with minimal downtime, and integrate advanced monitoring so you can track performance in real time. From corrosion-resistant tanks to rapid-recovery burners, every component is chosen for longevity—because the last thing your bottom line needs is an unexpected cold-water surprise.
Behind every dependable heater is flawless commercial plumbing. HEP’s crew brings decades of code-compliant craftsmanship, 24/7 emergency response, and a truckload of genuine parts right to your door, so you can focus on customers instead of compressors and circulators. Partner with the hometown pros who power Maryville’s busiest kitchens, cleanest hospitals, and comfiest hotels—choose HEP and experience hot water without the hassle.
FAQs
What types of high-capacity water heaters are available for commercial properties in Maryville?
In Maryville we routinely install three main categories: (1) large storage tank gas water heaters ranging from 75–120+ gallons, (2) high-input commercial tankless or rack-mounted systems capable of 2–12+ GPM per unit, and (3) hybrid heat-pump water heaters that combine large storage with electric heat-pump technology for efficiency. The best choice depends on your peak demand profile, available fuel sources, space constraints, and desired energy efficiency.
How do I determine the correct size and recovery rate for my business?
Sizing starts with a site visit. We measure peak hot-water draw (dishwashers, laundry, showers, process lines, etc.), count fixtures, and review hourly usage patterns. Using ASHRAE and manufacturer sizing tables, we calculate total gallons needed at peak and the required BTU input (for gas) or kW (for electric) to recover that volume within a set timeframe. Correct sizing prevents both shortages and energy waste, and it is required for code compliance in Blount County.
What is the typical lifespan of a commercial high-capacity water heater, and how can I extend it?
Most commercial storage heaters last 8–12 years; commercial-grade tankless units often reach 15–20 years with proper care. Lifespan is heavily influenced by water quality and maintenance. Annual flushing, anode rod inspection/replacement, combustion-chamber cleaning, and scale-inhibitor treatment for Maryville’s moderately hard water can add years of service life and help keep warranties valid.
Are there energy-efficient options that meet local building codes and rebates in Maryville?
Yes. High-efficiency condensing gas models (95%+ thermal efficiency), ENERGY STAR-rated electric heat-pump units, and recirculation controls all comply with Tennessee Mechanical Code and typically qualify for TVA or utility rebates. We handle rebate paperwork, calculate payback periods, and ensure the installed equipment meets all local permitting requirements.
How long does installation take, and will it disrupt my business operations?
A like-for-like replacement of a single storage heater can often be completed in one business day, including removal, piping, flue or vent modifications, and start-up testing. Complex multi-unit or tankless rack systems may require 2–3 days. We offer after-hours and weekend change-outs to minimize downtime—critical for restaurants, hotels, and healthcare facilities.
Do you provide maintenance plans and 24/7 emergency service for commercial water heaters?
Absolutely. We offer customizable quarterly or bi-annual maintenance plans that include full inspections, performance tests, and documentation for health-department audits. Our Maryville-based technicians are on call 24/7, stocking common parts so we can restore hot water quickly if a failure occurs outside normal business hours.