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Understanding Water Heaters: A Comprehensive Guide

Water heaters are an essential part of every home, especially in the colder regions of Canada. They provide the comfort of hot water for showers, washing dishes, and other household tasks. At Techno Gas Heating and Cooling LTD, based in Burnaby, BC, we understand the importance of a reliable and efficient water heating system. This article aims to provide a comprehensive guide on water heaters, their types, their costs, and the factors to consider when replacing them. If you need an emergency water heater repair call us anytime at 604-900-9140 or fill out the contact form for maintenance or installation requests.

These are the most common type of water heaters. They consist of an insulated tank where water is heated and stored until needed. They can be powered by natural gas, electricity, propane, or oil.


Also known as on-demand water heaters, these systems heat water directly without the use of a storage tank. When a hot water tap is turned on, cold water travels through a pipe into the unit where it’s heated.


These water heaters move heat from one place to another instead of generating heat directly for providing hot water. They can be two to three times more energy efficient than conventional electric resistance water heaters.

Factors to Consider When Replacing Your Water Heater

When it’s time to replace your water heater, there are several factors to consider:

  1. Energy Efficiency: Look for water heaters with high energy factor (EF) ratings. The higher the EF, the more efficient the water heater.

  2. Size and Capacity: Choose a water heater based on the size of your home and the number of people living in it. A professional can help you calculate the correct size.

  3. Cost and Budget: Consider both the upfront cost and the long-term operating cost. An energy-efficient model may cost more initially but can save you money in the long run.

  4. Warranty: Look for water heaters with a strong warranty. This can save you from unexpected costs in the future.

At Techno Gas Heating and Cooling LTD, we are committed to helping our customers choose the right water heater for their needs. We offer professional installation, repair, and maintenance services for all types of water heaters. Contact us today for a free estimate.

Average Cost to Install a Hot Water Heater

The cost of replacing a hot water tank can vary greatly depending on the type of water heating system you want installed in your home. If you have an old storage tank water heater and you just want it replaced rather than upgraded the average cost ranges between $1,500 and $3,000.

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Storage Tank Water Heaters

Choosing The Right Size of Water Tank For Your Home

Choosing the right size water heater for your home is crucial. If you opt for a storage tank water heater, the average amount of water you use per day will determine the capacity of the tank you should buy. Our team at Techno Gas can help you determine the size you need. Give us a call, and we will assist you in getting the best equipment for your home.

Here’s a rough estimate of the amount of hot water typically used for various tasks:

  • Shower/Bath: 10-20 gallons
  • Washing Dishes: 2-4 gallons
  • Running the Dishwasher: 6-16 gallons
  • Running the Washing Machine: 20-30 gallons
  • Flushing the Toilet: Does not typically require hot water
  • Running the Tap (per minute): 0.5-1.5 gallons

Now, consider the number of people in your household and their daily routines. For example, if you have four people in your household who each take a 10-gallon shower every day, that’s 40 gallons of hot water just for showers. If you add in dishes, laundry, and running taps, you might use up to 100 gallons of hot water a day.

Here’s a general guideline for tank sizes based on the number of people in the household:

  • 1-2 people: 30-40 gallons
  • 2-3 people: 40-50 gallons
  • 3-4 people: 50-60 gallons
  • 5+ people: 60-80 gallons


Remember, these are just estimates. Your hot water needs may be higher or lower depending on your specific circumstances. For example, if you have a high-efficiency washing machine or dishwasher, you might use less hot water for laundry and dishes. If you have a whirlpool tub that you use frequently, you might need a larger water heater.

At Techno Gas, we can help you calculate your hot water needs and choose the right size water heater for your home. Contact us today for a consultation.

Before: Storage Tank Water Heater
After: Tankless Water Heater

Tankless Water Heaters: Benefits of an On-Demand System

Tankless water heaters, also known as on-demand water heaters, are a modern solution to the age-old problem of providing hot water in a cost-effective and efficient manner. Unlike traditional water heaters, which store and continuously heat a large tank of water, tankless water heaters heat water directly without the need for a storage tank. This innovative technology offers numerous benefits, including energy efficiency, cost savings, and convenience.


One of the primary benefits of tankless water heaters is their energy efficiency. Traditional water heaters continuously heat a large tank of water, which can lead to significant energy waste. In contrast, tankless water heaters only heat water as it is needed, reducing energy consumption. For homes that use 41 gallons or less of hot water daily, tankless water heaters can be 24%–34% more energy efficient than conventional storage tank water heaters.

Cost Savings

While the upfront cost of a tankless water heater can be higher than that of a traditional water heater, the long-term savings can be substantial. Tankless water heaters typically last longer than traditional water heaters, with a lifespan of 20 years or more compared to 10-15 years for storage water heaters. Additionally, their energy efficiency can result in lower utility bills, leading to significant savings over time.

Convenience and Continuous Supply

Tankless water heaters provide hot water on demand, ensuring a continuous supply of hot water. This is particularly beneficial for larger households where hot water demand can be high. No more worrying about running out of hot water during a shower or while doing the dishes.

Is a Tankless Water Heating System Right for You?

While tankless water heaters offer numerous benefits, there are a few considerations to keep in mind. Installation can be more complex and costly, particularly if you’re switching from a traditional water heater. However, many homeowners find that the benefits outweigh the initial investment.

Tankless water heaters are a modern, energy-efficient solution for providing hot water. With their energy savings, long lifespan, and the convenience of hot water on demand, they are an excellent choice for many homeowners. However, it’s important to consider the upfront costs and ensure that a tankless water heater is the right fit for your home and lifestyle.

Remember, it’s always a good idea to consult with a professional before making a significant investment in your home’s infrastructure. So call the experts at Techno Gas and we’ll make sure you know all the ins and outs of the water heating system options you have available for your home.

Before: Storage Tank Water Heater
After: Navien Tankless Water Heater

Heat Pump Water Heaters: A Superior Alternative?

When it comes to heating your water, heat pump water heaters stand out as a superior alternative to traditional models. They’re not only up to three times more energy-efficient, but they also translate into significant savings on your utility bills. But the benefits don’t stop at hot water. These systems double as an air conditioner, providing you with a two-in-one solution for your home’s comfort. So, if you’re looking for a water heating solution that’s efficient, cost-effective, and versatile, consider the added value a heat pump water heater brings to your home.