Tankless Water Heaters in Southwest Michigan & Michiana
Enjoy reliable hot water without storing it in a traditional tank with a professionally installed tankless water heater from Sun Services Heating & Air Conditioning. We install and replace tankless water heaters throughout Southwest Michigan and the Michiana area, including Niles, Buchanan, South Bend, Mishawaka, Granger, and surrounding communities.
Sun Services installs A. O. Smith tankless water heaters and can help you determine whether a tankless system is right for your home based on your hot water needs, available utilities, installation requirements, space, and budget.
Benefits of a Tankless Water Heater
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Tankless water heaters heat water as it is needed rather than storing a large supply of heated water in a tank. When properly sized, this can provide a continuous supply of hot water for your home's needs.
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Tankless water heaters are wall-mounted and take up considerably less floor space than traditional tank-style water heaters.
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Because tankless systems heat water when it is needed rather than continuously maintaining a tank of hot water, they can reduce standby energy losses associated with traditional storage tanks.
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Properly selected, installed, and maintained tankless water heaters are designed to provide reliable hot water for many years. Maintenance requirements depend on the equipment and water conditions.
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Tankless systems are available in different capacities to accommodate varying household sizes and hot water demands. Proper sizing is especially important when multiple fixtures may be used at the same time.
Tankless Water Heater Installation - Niles, MI
Is a Tankless Water Heater Right for My Home?
A tankless water heater can be a good option for many homes, but choosing the right system depends on more than household size. Hot water demand, incoming water temperature, available gas service, venting, electrical requirements, installation location, and the number of fixtures that may operate simultaneously should all be considered.
Sun Services can evaluate your home's hot water needs and existing utilities to help determine whether a tankless water heater is an appropriate option and recommend properly sized equipment.
How an A.O. Smith Tankless Water Heater Works
A. O. Smith ProLine® XE Tankless Water Heater
The A. O. Smith ProLine® XE provides efficient, on-demand hot water in a compact wall-mounted design. Available X3® Scale Prevention Technology is designed to help protect the heat exchanger from scale buildup while reducing maintenance associated with descaling.
Key Features
Up to 199,000 BTU/hr
Up to 0.93 Uniform Energy Factor
X3® Scale Prevention Technology
Condensing Ultra-Low NOx design
Recirculation capable with compatible equipment
Space-saving wall-mounted installation
Commercial-grade heat exchanger construction
15-year limited warranty on applicable X3 models
Professional Tankless Water Heater Installation
Proper tankless water heater sizing and installation are important for reliable hot water and system performance. Sun Services provides professional tankless water heater installation and replacement throughout Southwest Michigan and the Michiana area.
Our team can evaluate your home's hot water demand, available utilities, venting requirements, and installation location to help select and properly install an appropriate tankless system.
Traditional tank water heaters store a supply of heated water for use, while tankless water heaters heat water as it is needed. Tankless systems offer a compact design and on-demand operation, while traditional tank systems may have a lower initial installation cost and can be a practical choice for many homes. The right option depends on your household's hot water demand, existing utilities, installation requirements, available space, and budget.
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A tankless water heater heats water as it is needed rather than storing hot water in a tank. When a hot water fixture is opened, the system activates and heats the water as it flows through the unit, providing hot water on demand.
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Tankless water heaters provide hot water on demand, take up less space than traditional tank systems, and eliminate the standby energy losses associated with continuously maintaining a tank of hot water. When properly sized, they can also provide a continuous supply of hot water.
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Yes, when properly sized. A whole-home tankless water heater can supply multiple fixtures, but its capacity depends on the home's hot water demand and how many fixtures may be used at the same time. Proper sizing is important for reliable performance.
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Tankless water heaters are typically sized based on the amount of hot water needed at one time and the required temperature rise. Household size, incoming water temperature, showers, faucets, appliances, and simultaneous hot water use should all be considered. Sun Services can evaluate your home's needs and recommend appropriately sized equipment.
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The lifespan of a tankless water heater varies depending on the equipment, installation, water quality, usage, and maintenance. Regular maintenance and proper installation can help support reliable operation throughout the life of the equipment.
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Yes. Tankless water heaters should be inspected and maintained according to the manufacturer's recommendations. Maintenance requirements can vary based on the equipment and water quality and may include inspecting components and addressing mineral or scale buildup when necessary.
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Both can provide reliable hot water. Tank water heaters store heated water for use, while tankless systems heat water as it is needed. Hot water demand, available utilities, installation requirements, available space, upfront cost, and long-term operating considerations should all be considered when choosing between them.
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Yes. Sun Services installs A. O. Smith tankless water heaters and can help homeowners compare available options based on their hot water needs, existing utilities, installation requirements, and budget.
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Sun Services provides tankless water heater installation and replacement throughout Southwest Michigan and the Michiana area, including Niles, Buchanan, Cassopolis, Dowagiac, Edwardsburg, South Bend, Mishawaka, Granger, and surrounding communities.
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To schedule a tankless water heater estimate or installation with Sun Services, call or text 269-684-3898 or use our online scheduling option to request an appointment.
Tank vs. Tankless Water Heaters
Ready to Explore a Tankless Water Heater?
Whether you're replacing an existing water heater or considering tankless technology for the first time, Sun Services can help you compare options and determine the right solution for your home's hot water needs. We proudly provide professional water heater installation throughout Southwest Michigan and the Michiana area.

