Tankless Water Heater Alternatives: Other Ways to Get the Same Result

Hiring a Professional for Tankless Water Heater Installation

Hiring a professional for tankless water heater installation means outsourcing the entire procurement and setup process to a licensed plumbing firm. Instead of managing the purchase of the unit and the coordination of permits, you pay a contractor to provide a turn-key solution.

This option typically costs more than a self-managed installation due to labor markups and professional overhead. It beats a DIY approach when the unit requires complex gas line resizing or specialized high-pressure venting. This path stops making sense if the installation is a simple swap-out of an existing unit with identical plumbing, where a homeowner might be able to manage the swap without a full-service contract.

Ensure your unit meets regulations by reviewing the official certifications and safety standards for tankless water heaters.

Refurbished Tankless Water Heater Options

Refurbished tankless water heater options involve purchasing a previously owned unit that has been inspected and certified by a third party. These units are often sold with a limited warranty and have had their primary components, such as heat exchangers, tested for integrity.

The cost of a refurbished unit is lower than a new unit but higher than a standard used find. It beats buying new when you want the benefits of tankless technology but have a strict budget that excludes the premium of a current-model unit. This route stops making sense if the unit requires a high-output BTU rating for a large household, as older, refurbished models may not have the capacity to meet modern flow requirements.

Commercial or Rental Hot Water Solutions

Commercial or rental hot water solutions involve leasing a water heating system, often found in multi-unit buildings or small businesses. These systems are maintained by a service provider who handles all repairs and replacements under a monthly fee.

This is a recurring cost that is higher over the long term than ownership but requires zero capital outlay. It beats ownership in scenarios where you do not own the property or do not want to be responsible for the mechanical upkeep of the system. This option stops making sense for a single-family home where the monthly rental fee eventually exceeds the amortized cost of owning the equipment.

Comparison of Water Heating Routes

When Buying a Tankless System is Right

Buying a tankless water heater installation is the right answer when you require a permanent, high-efficiency solution for a property you own. It is the correct choice if you have the specific gas line capacity or electrical load required to support the unit’s peak demand. It is also the right decision when your primary goal is to minimize the physical footprint of your water heating infrastructure while maintaining a high standard of performance.

Reviewed by the Green Writer editorial team. Green Writer writes these guides from the 49 most-reviewed tankless water heater installation listings in our retail dataset, not from manufacturer copy.