- HEP Plumbing
- Tankless Water Heaters

Tankless Water Heaters
Tankless Water Heaters | Commercial Plumbing | Plumbing | Monteagle
When Monteagle businesses decide it’s time to swap bulky, energy-hungry boilers for sleek, on-demand hot water, they call HEP. Our certified technicians design and install high-capacity tankless systems that slash utility costs, free up valuable square footage, and deliver a constant stream of perfectly tempered water—no more downtime waiting for a tank to recover. From restaurants that can’t afford a dishwashing delay to hotels where guest satisfaction hinges on instant hot showers, we size every unit to your unique demand profile and back it with 24/7 emergency support.
HEP’s reputation for precise, code-compliant commercial plumbing craftsmanship means your new tankless setup will meet the strictest health and safety standards while future-proofing your property against scaling, leaks, and surprise breakdowns. Ready to modernize your Monteagle facility? Let our local experts handle the entire project—from initial load calculations to final inspection—so you can focus on running your business with confidence and comfort.
FAQs
What advantages do tankless water heaters provide for Monteagle businesses compared to traditional storage tanks?
Commercial-grade tankless units heat water only when a fixture calls for it, eliminating standby loss and reducing energy consumption by 25-50 %. They also free up valuable floor space, provide an endless supply of hot water during peak demand, and have a life expectancy that is typically 5-10 years longer than a storage tank. Because mineral-laden mountain water is common in Monteagle, the scale-reduction technology built into modern tankless models further extends equipment life and minimizes unscheduled downtime.
How do I determine the right size and number of commercial tankless units my facility needs?
Sizing is based on the total flow rate (gallons per minute) and temperature rise your business requires at peak demand. Our licensed plumbers calculate this by adding the flow rates of every simultaneous hot-water fixture—dishwashers, hand-washing sinks, showers, etc.—and subtracting the incoming groundwater temperature (≈55 °F in Monteagle) from the desired output temperature (typically 120 °F). We then recommend either a single large commercial unit or a multi-unit rack system that can be cascaded for redundancy and future expansion.
Are tankless water heaters compatible with my existing plumbing infrastructure, or will I need significant modifications?
In many cases, tankless systems can be tied into your current hot- and cold-water lines with minimal re-piping. The most common upgrades involve upsizing the gas line (to meet the higher BTU input), installing category III or IV stainless-steel venting, and adding a condensate drain for high-efficiency models. For electric units, adequate amperage and breaker capacity are required. During our on-site assessment we outline all needed changes so you have a clear, up-front cost picture.
What kind of maintenance do commercial tankless systems require, and how often should it be performed?
Manufacturers recommend an annual service that includes descaling the heat exchanger with food-grade vinegar or citric-acid solution, cleaning the inlet water filter, inspecting the burner assembly, and verifying combustion settings. In Monteagle’s moderately hard water area, we also advise installing a pre-filter or water softener to reduce scale buildup. Preventive maintenance keeps your warranty valid and maximizes efficiency; our service plans can be scheduled after hours to avoid business disruption.
How much energy and cost savings can my business expect by switching to a tankless water heater in Monteagle's climate?
Actual savings depend on usage patterns, but most commercial clients see utility bills drop 20-40 %. For example, a small hotel that replaced two 100-gallon storage heaters with a three-unit tankless rack reduced natural-gas consumption by roughly 1,200 therms per year—about $1,500 at current Tennessee rates. Added benefits include lower risk of tank leaks, reduced insurance claims, and potential TVA or local utility rebates for high-efficiency equipment.
Do tankless installations have to comply with specific Monteagle or Tennessee building codes, and can your plumbers handle the permitting process?
Yes. Commercial tankless heaters must meet the 2021 International Plumbing Code (IPC) as adopted by Tennessee, the NFPA 54 fuel-gas code, and local Monteagle mechanical and venting requirements. Backflow prevention, seismic bracing, and condensate neutralization may also be mandated. Our plumbers are state-licensed, handle all permit applications, schedule inspections, and provide the documentation needed for code compliance and manufacturer warranty registration.