Electric vs. Gas Water Heaters: Major Differences, Pros And Cons

Electric Water Heaters vs Gas Heaters: Key Differences, Pros and Cons – Forbes

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Is it time for a new water heater? You will know when you are turning on the hot water tap but cold water is coming out or when the unit is not meeting the increased demands for hot water. Although you obviously need a new water heater, what source of fuel should you get? Should you buy an electric or gas model? Electricity and gas both have their fair share of pros and cons, so it’s all about finding the right water heater that meets your needs.

What are electric or gas water heaters

electric water heaters

An electric water heater is a tank that heats water with high voltage electric heating rods running vertically through the tank. The water is heated starting from the center of the tank, and radiates outwards.

gas water heater

A gas water heater is a tank that heats water from a gas stove located at the bottom of the tank. Hot water starts from the bottom and rises up, being drawn from above by a drain pipe.

Pros and cons of electric water heaters

Positives

  • clean process
  • security
  • Efficiently heats water
  • lower purchase price
  • Wide range of sizes
  • No need to re-light (no pilot light)
  • Easiest delivery because all homes have electrical service

Negatives

  • Higher operating costs
  • Slower to heat water than gas models
  • Longer recovery times
  • It will not work during a power outage

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Pros and cons of gas water heater

Positives

  • Water heats up quickly
  • Lower operating costs than electric models
  • Energy Efficiency
  • Operate during a power outage

Negatives

  • Not all homes have gas. May need to be added
  • Less safe than electric models
  • dirtier process
  • Smaller range of sizes
  • Shorter life than electricity
  • Less efficient in heating water than electricity
  • Sometimes re-lighting is required

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Installations

Electric and gas water heaters usually require permits and inspections. Electric heaters are easier to install because all homes have electricity. Gas is often not the case.

electric water heaters

All homes have electrical service. Some homes even have a 240-volt hookup already running in the water heater area. If not, a new circuit can branch off the home’s electrical service panel.

gas water heater

Gas service is not available in all homes. If the house does not have gas, it can be expensive to bring domestic gas from the street into the house. If the home has gas, a plumber must make the gas connections.

water heater size

Electric water heaters offer a greater range of sizes than gas water heaters, especially when you consider compact point-of-origin (instant order) water heaters.

electric water heaters

Electric water heaters range from 2 to 20 gallons. Conventional tank electric water heaters start at 40 gallons and go up to a maximum of 120 gallons. Most tanks are 30, 40 or 50 gallons.

gas water heater

Since there are no point-of-use gas water heaters, they are all tank models. Gas water heaters start at 20 gallons and range in size up to 100 gallons. Most tanks are 40, 50, 80 or 100 gallons.

Purchase cost

Electric water heaters are less expensive to purchase than gas-fired water heaters. While it is always possible to purchase expensive water heaters in either electric or gas models, if you want a less expensive one, it is usually electric.

electric water heaters

Most electric water heaters cost between $500 and $800. From that, a majority in From $500 to $600 Domain.

gas water heater

Most gas water heaters cost between $600 and $800.

safety

Electric water heaters are safer than gas water heaters because there is no gas line, stove, or pilot light.

electric water heaters

Electric water heaters require a 240V connection for installation. Electric water heaters do not need to be re-ignited.

gas water heater

Gas water heaters require a gas line and an open flame (below the heater) to heat the water. Sometimes the user must re-light the gas steering lamp with a built-in lighter or piezoelectric lighter.

heating rate

Gas water heaters have a faster initial heating rate and faster recovery times than electric water heaters.

electric water heaters

With heating rods running from top to bottom, electric water heaters spread heat along the height of the tank. But heating rods gain heat at a much slower rate than gas models.

gas water heater

The open flame of a gas water heater burns much hotter than sticks or electrical elements in the electric model. In addition, the location of the stove is more efficient due to the fact that it is located at the bottom – the heat rises.

Operating cost

Gas water heaters cost less to operate than electric water heaters – about 33% less.

electric water heaters

Electric water heaters cost on average $42 a month to run.

gas water heater

The cost of gas water heaters is about $30 a month To work on average. Gas is usually less expensive in most areas than electricity.

Energy Efficiency

Electric water heaters heat water more efficiently than gas water heaters.

electric water heaters

While an electric water heater heats water more slowly and at a higher cost than gas models, it heats water more efficiently. The heating rods are immersed in water in an airtight tank, so there is very little heat loss.

gas water heater

Although gas water heaters burn hotter, they are less efficient than electric water heaters because a lot of the energy generated is wasted through the hole at the top. The port is necessary for the discharge of toxic gases.

life span

Due to a cleaner process, electric water heaters last a bit longer than gas water heaters. Electric water heaters can last anywhere from two to three years longer than gas water heaters.

electric water heaters

Electric water heaters usually last 10 to 15 years.

gas water heater

Gas water heaters usually last eight to 12 years before they need to be replaced.

environment

Electric and gas water heaters are almost comparable in terms of their environmental impact, with no clear winner between the two types.

electric water heaters

Electric water heaters cover the best and worst types of electricity supply. At best, though scarce, electricity is provided by solar or wind energy. At worst, electricity is provided by nuclear or coal-fired power plants.

Some areas may have more low-cost clean electricity, while others are not. If electricity in the area is provided by modern and efficient hydroelectric power plants, then an electric water heater would be a good environmental choice.

gas water heater

Gas water heaters occupy the middle range of environmental impact. Gas is never as bad as the electricity provided by coal-fired plants, but it is never as good as wind or solar power. Gas is a non-renewable fossil fuel. While gas has long been viewed as a cleaner form of energy than electricity, some regions have recently enacted measures to ban the use of natural gas.

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