Tank Vs. Tankless Water Heaters: Uncovering the True Value

by Eccotemp Canada

The selection between tank and tankless water heaters has long been a topic of discussion among homeowners, who often ask: Which option truly provides the best value? For decades, conventional tank water heaters have served as fixtures in households, providing reliable hot water. However, the rise of tankless alternatives in recent years has stirred interest due to their energy efficiency and immediate hot water delivery. This comprehensive analysis aims to explore the advantages and disadvantages of both options, clarifying the genuine value inherent in the debate between the tank and tankless water heaters.

Traditional tank water heaters have long been fixtures in residential settings, offering familiarity and dependability. Yet, the rise of tankless water heaters represents a significant paradigm shift, harnessing technological innovations to deliver improved energy efficiency and convenience. By eliminating the need for a bulky storage tank and minimizing standby heat loss, tankless systems provide hot water on demand, promising savings and environmental benefits. Despite their higher upfront costs, the long-term advantages of reduced energy consumption make tankless water heaters an appealing option for homeowners seeking sustainable and cost-effective solutions. Nonetheless, a thorough examination of the merits and drawbacks of each system is essential to determining the most suitable choice for individual household needs.

In this comprehensive exploration, we'll dive deep into the pros and cons of both systems to uncover the true value behind tank vs. tankless water heaters.

Understanding Tank Water Heaters

Traditional tank water heaters have been fixtures in basements and utility rooms nationwide, reliably storing and heating water to provide a continuous supply for various household tasks. Despite their ubiquity and initial cost advantage over tankless alternatives, they present certain drawbacks. One prominent issue is their tendency to waste energy. It operates continuously to maintain a large volume of hot water. Tank heaters often lead to significant energy inefficiencies and subsequent spikes in utility bills. Moreover, their limited capacity poses another challenge, as they can exhaust hot water reserves during peak usage periods, causing inconvenience for residents.

However, despite these drawbacks, tank water heaters remain prevalent due to their affordability and simplicity. Yet, the drawbacks persist. The constant heating of water in a tank not only wastes energy but also contributes to wear and tear on the system, potentially shortening its lifespan. Additionally, the finite capacity of tank heaters can lead to discomfort or inconvenience, especially in larger households or during periods of simultaneous high demand. Thus, while tank water heaters have served as reliable staples in residential settings for years, their inefficiencies and limitations warrant consideration when evaluating alternatives like tankless systems.

Pros Cons
Lower Initial Cost Traditional storage tank water heaters are typically more affordable to purchase and install compared to tankless alternatives. Limited Hot Water Supply Storage tank water heaters can run out of hot water if demand exceeds the tank's capacity, leading to cold showers and inconvenience.
Familiar Technology Storage tank water heaters have been in use for decades, making them a familiar and trusted option for many homeowners and contractors. Energy Inefficiency Because storage tank water heaters must continuously heat and maintain a large volume of water, they can be less energy-efficient than tankless alternatives, resulting in higher utility bills.
Simple Maintenance Maintenance and repairs for storage tank water heaters are generally straightforward and can often be performed by the homeowner or a professional plumber. Standby Heat Loss Even when not in use, storage tank water heaters lose heat through the tank walls, known as standby heat loss, further contributing to energy inefficiency.
Shorter Lifespan On average, storage tank water heaters have a shorter lifespan compared to tankless models, often requiring replacement every 10 to 15 years.
Risk of Water Damage Over time, storage tank water heaters can develop leaks or corrosion, potentially leading to water damage in the surrounding area if not addressed promptly.

Exploring Tankless Water Heaters

Tankless water heaters, also known as on-demand or instant hot water heaters, provide a contemporary alternative to conventional tank systems. Diverging from traditional tanks, tankless heaters heat water directly as it passes through them, eliminating the requirement for a storage tank. This innovative approach produces multiple advantages over conventional systems, including improved energy efficiency and the provision of hot water on demand, contributing to their popularity among homeowners seeking efficient and convenient water heating solutions.

Eccotemp stands out as a leading brand in the tankless water heater market, distinguished by its innovative technology and dedication to energy efficiency. Offering a diverse selection of tankless water heaters tailored to different household sizes and requirements, Eccotemp caters to a wide range of needs. Whether you're considering an upgrade to your current water heating system or undertaking a new construction project, Eccotemp presents solutions to suit your specific demands, ensuring reliability and performance.

Pros Cons
Energy Efficiency Tankless water heaters only heat water as needed, eliminating standby heat loss and resulting in lower energy consumption and utility bills. Higher Initial Cost Tankless water heaters tend to have a higher upfront cost than storage tank models, including both the unit itself and installation expenses.
Endless Hot Water With a tankless water heater, there's no risk of running out of hot water, even during periods of high demand, providing continuous hot water on demand. Limited Flow Rate While tankless water heaters provide endless hot water, they may struggle to keep up with simultaneous hot water demands from multiple fixtures or appliances, especially in larger households.
Space-Saving Design Tankless water heaters are typically smaller and more compact than storage tank water heaters, saving valuable space in utility rooms or other installation areas. Complex Installation Installing a tankless water heater may require modifications to existing plumbing and electrical systems, potentially increasing installation costs and complexity.
Longer Lifespan Tankless water heaters often have a longer lifespan than storage tank models, with some units lasting up to 20 years or more with proper maintenance.
Reduced Risk of Water Damage Because tankless water heaters don't store water in a tank, there's a lower risk of leaks or water damage compared to storage tank models. Dependency on Electricity or Gas Tankless water heaters rely on electricity or gas to heat water, meaning they may be affected by power outages or interruptions in gas supply, resulting in a loss of hot water.

Making the Switch

Transitioning from a conventional storage-tank water heater to a tankless system involves more than a straightforward swap. Plumbing adjustments and possible upgrades to electrical or gas systems are often necessary to accommodate the increased capacity.

However, as your traditional storage-tank water heater nears the end of its lifespan and you consider the advantages of space and energy conservation, tankless water heaters present an appealing alternative. With advancements in technology, tankless systems offer greater adaptability and efficiency. Despite initial skepticism from homeowners familiarize to traditional water heaters, the benefits of tankless water heaters have become increasingly evident, making them a compelling choice for upgrading home water heating solutions.

Efficiency and Cost Analysis: Tankless vs. Storage Tank Water Heaters

Storage Tank Water Heaters Tankless Water Heaters
Purchase Price Typically, cheaper upfront compared to tankless water heaters. Purchase Price Higher upfront costs compared to storage tanks.
Installation Relatively straightforward installation but may require professional assistance. Installation More complex installation process, potentially requiring upgrades to gas or electric infrastructure.
Performance Offers a steady supply of hot water, albeit with standby energy losses. Storage-tank water heaters offer limited hot water. Performance Efficient heating, eliminating standby energy losses. It’s on demand and offers endless hot water.
Energy Use and Efficiency Decent energy efficiency ratings but can incur higher operating costs. Energy Use and Efficiency Superior energy efficiency ratings, translating to lower operating costs over time.

Eccotemp Tankless Water Heaters: Setting a New Standard

Eccotemp is revolutionizing the water heating industry with its innovative line of tankless water heaters, setting a new standard for performance, efficiency, and convenience. As a leading manufacturer in the field, Eccotemp has earned a reputation for excellence, providing homeowners with cutting-edge solutions to their hot water needs. With a diverse range of models designed to suit various household sizes and requirements, Eccotemp offers unmatched versatility and reliability in its products.


The hallmark of Eccotemp tankless water heaters lies in their advanced technology and commitment to efficiency. By heating water on demand and eliminating the need for a storage tank, Eccotemp Gas Tankless Water Heaters minimize energy wastage and reduce utility costs for homeowners. Moreover, their compact design and flexible installation options make them ideal for space-conscious consumers, allowing seamless integration into any home. With Eccotemp tankless water heaters, homeowners can enjoy a continuous supply of hot water while reducing their environmental footprint and saving money on energy bills.

Understanding Gas-Powered Tankless Water Heaters

Gas-powered tankless water heaters offer unparalleled versatility and flexibility, standing out as a cornerstone of modern water heating technology. Their adaptability spans various sizes and configurations, catering to diverse residential or commercial demands. Whether you live in a cozy apartment, a spacious family home, or manage a lively commercial enterprise, there exists a gas-powered tankless water heater precisely tailored to your requirements. Beyond simple accommodation, gas tankless water heaters typically offer higher flow rates compared to their electric tankless water heater equivalents, ensuring a steadfast and dependable stream of hot water, even during peak usage periods. Beyond mere functionality, gas-powered tankless water heaters present an efficient, space-saving, and cost-effective solution, representing a synthesis of performance and convenience that seamlessly meet hot water requirements across diverse environments.

Eccotemp: Versatile Solutions for Every Home and Businesses

Eccotemp offers a wide array of tankless water heaters tailored to meet the diverse needs of both residential properties and commercial establishments. From compact models ideal for tiny homes to high-capacity water heaters suitable for large households, Eccotemp ensures that every home can benefit from efficient and reliable hot water solutions. Moreover, businesses ranging from restaurants to hotels and office buildings can also find suitable options among Eccotemp's versatile lineup, ensuring consistent hot water supply for various applications.

The versatility of Eccotemp tankless water heaters lies in their ability to provide to different usage scenarios and space constraints. Whether it's a single-family home, a multi-story apartment complex, or a busy commercial kitchen, Eccotemp has a solution to meet the unique requirements of each setting. With their commitment to innovation and customer satisfaction, Eccotemp continues to set the standard for versatile water heating solutions that deliver performance, efficiency, and reliability to every home and business.


  • Whole-home Tankless Water Heaters

Experience unparalleled home convenience with our range of Whole-Home Tankless Water Heaters, offered in 6.5, 6.8, and 7.0 gallons per minute (GPM) options. These tankless water heaters are meticulously crafted to accommodate households of all sizes, ensuring a continuous hot water supply. With our tankless water heaters, you can bid farewell to interruptions in your hot water flow, experiencing seamless and consistent warmth throughout your home.

6.5 GPM Tankless Water Heaters: These models provide precise temperature control and energy efficiency, making it an economical choice for optimized hot water usage. It's available in both Propane and Natural Gas Tankless Water Heater models. Is the second largest capacity model in the Builder Series. CSA approved and rated at an impressive 6.5 GPM with a temperature rise of 45 degrees. This tankless water heater is rated at 170,000 BTU and can produce unlimited hot water for 3-4 applications simultaneously.

7.0 GPM Tankless Water Heaters: Choose between a Liquid Propane Tankless Water Heater and a Natural Gas Tankless Water Heater. The 7.0 GPM models suit larger households, providing luxurious comfort with consistent hot water, even during peak demand. Benefit from efficient energy usage, compact design, and lower utility bills. Designed for outdoor installation, has the largest capacity model in the Builder Series. CSA approved and rated at an impressive 7 GPM with a temperature rise of 45 degrees. This tankless water heater is rated at 180,000 BTU and can produce unlimited hot water for 4-5 applications simultaneously.

6.8 GPM Smart Home Tankless Water Heaters: Discover Smart Home 6.8 GPM Tankless Water Heaters - a revolutionary smart solution offering limitless comfort, voice-controlled technology, and effortless monitoring via the Eccotemp Smart app. Available in Indoor (SH22i-LP & SH22i-NG) and Outdoor (SH22-LP & SH22-NG) variants for cutting-edge convenience.

  • Mid-size Home

    4.0 & 4.5 GPM Tankless Water Heaters: Introducing our newest Smart Home Tankless Water Heaters that are also perfect for mid-size homes. You can choose between SHLX series (SHLX-LP & SHLX-NG) and the SH12-A series (SH12-A-LP & SH12-A-NG) models. These tankless water heaters blend liquid propane and natural gas options, improving your living space with their balanced performance and space-saving design. Ideal for mid-sized homes, condos, apartments, or cabins, they ensure a continuous hot water supply while optimizing energy consumption.

    6.0 GPM Tankless Water Heaters: Eccotemp's 6.0 GPM Tankless water heaters, available in Liquid Propane or Natural Gas, effortlessly handle busy family routines. With enough hot water to run showers and laundry simultaneously, they ensure comfort throughout the home. Their compact design allows for easy installation, while advanced energy-saving technology cuts down on utility costs.


  • Tiny living spaces

    4.0 & 4.5 GPM Tankless Water Heaters: For compact living spaces, Eccotemp's newest model SH12-A series and SHLX series are the top choices. Ideal for tiny homes, their sleek design saves floor space while maintaining high performance. With a 4.0 GPM flow rate, they provide hot water on demand, perfect for showers or dishwashing.


Question: Is it better to have a tank or tankless water heater?
Answer: Deciding between a tank or tankless water heater depends on various factors such as energy efficiency, space availability, and budget. Tankless heaters offer energy savings and space efficiency but may have higher upfront costs. Tanks are generally cheaper upfront but may be less energy efficient and require more space.

Question: What are the advantages of tankless water heaters over tank water heaters?
Answer: Tankless water heaters offer several advantages over tank water heaters, including endless hot water supply, space-saving design, and potentially lower energy bills due to reduced energy consumption.

Question: Is it worth investing in a tankless water heater over a traditional tank water heater?
Answer: The decision to invest in a tankless water heater depends on factors such as household size, hot water usage patterns, and budget. While tankless water heaters may have a higher upfront cost, they can provide long-term savings through improved energy efficiency and reduced maintenance.


In the debate between tank vs. tankless water heaters, the true value lies in considering factors such as energy efficiency, long-term savings, and convenience. While traditional tank water heaters have been the standard for years, tankless water heaters offer a modern, energy-efficient alternative that can provide endless hot water on demand.

By choosing a tankless water heater from trusted brands like Eccotemp, you can enjoy the benefits of energy efficiency, space-saving design, and reliable performance for years to come. With the right choice, you can enhance your home's amenities and efficiency while reducing your environmental footprint.