Can a Bad Water Heater Raise Gas Bill: Need To Know!

A bad water heater can drive up your gas bill. It uses more energy to heat the water, leading to higher costs. So it’s essential to get a good-quality, suitable water heater.

Size matters. A heater too small may need to work harder and longer, using more gas than necessary. An overly large one may waste energy heating excess water.

Gas-powered heaters are usually more efficient than electric ones. For even greater savings, you could get a solar-powered heater if you have access to renewable energy sources.

Maintenance and insulation can improve the efficiency of your water heater. Insulate hot water pipes and invest in an insulated blanket for the storage tank. This can reduce standby heat loss and save on gas.

Key Notes

  • 1. A bad water heater can indeed raise your gas bill. If your water heater is not functioning properly, it may be using more gas than necessary to heat the water, leading to increased energy consumption and higher bills.
  • 2. One common issue with water heaters is a faulty thermostat. If the thermostat is not accurately measuring the water temperature, the heater may continuously run, wasting gas and driving up your bill.
  • 3. Sediment buildup in the water heater tank can also cause inefficiency and higher gas usage. Over time, minerals and debris can accumulate at the bottom of the tank, reducing its heating capacity and forcing the heater to work harder and use more gas.
  • 4. Leaks in the water heater can also contribute to increased gas bills. Even small leaks can result in a constant flow of cold water into the tank, triggering the heater to work harder to maintain the desired temperature.
  • 5. Regular maintenance and inspections of your water heater can help identify and address any issues that may be causing higher gas bills. It is recommended to have your water heater serviced annually to ensure optimal performance and energy efficiency.
  • 6. If you suspect that your water heater is causing your gas bill to rise, it is advisable to contact a professional plumber or HVAC technician to assess the situation and make any necessary repairs or replacements. Ignoring the problem can lead to further damage and even more significant expenses in the long run.

Factors to Consider When Choosing a Water Heater

Selecting a water heater? Consider these factors: fuel source, energy efficiency, storage capacity and cost. Careful evaluation will help you choose the best option. Take a look at the table below:

Fuel SourceGas, electric, or heat pump? Consider availability and cost.
Energy EfficiencyLook for high energy factor (EF) ratings for efficient operation and lower energy costs.
Storage CapacityThink about your daily hot water needs to determine tank size.
CostWeigh upfront costs and long-term expenses for the most cost-effective option.

In colder climates, a tankless or hybrid water heater may be better for continuous hot water. Solar water heaters are an eco-friendly option that uses solar panels and renewable energy.

Did you know heating water accounts for 14% to 18% of total energy bill? says you can save up to $3,500 with an energy-efficient water heater.

Evaluate your specific requirements and budget constraints before making a decision. Choose a water heater that meets your needs and maximizes energy savings. Plus, reduce your carbon footprint too! Who needs hot water when you can spend your money on a tropical vacation instead?

Signs of a Bad Water Heater

Is your water heater not working properly? Look out for these three common signs:

  1. Leaking: Water around the heater or dripping from the tank are indicators of a leak. Don’t ignore it, or you may face water damage and a higher energy bill.
  2. Insufficient Hot Water: No hot water or slow heating up? It’s likely a faulty heating element or sediment build-up in the tank. This reduces the efficiency of your heater.
  3. Unusual Noises: Rumbling, popping, or banging? Sediment build-up is to blame. This creates hot spots and reduces the lifespan of your unit.

Other signs may include rusty water, fluctuating temperatures, pilot light issues, or a sudden spike in your energy bill.

To fix these problems and extend the life of your water heater, do regular maintenance, replace faulty parts, and possibly invest in a new, energy-efficient model. Keeping your water heating system running efficiently will save you money and protect your home.

Impact of a Bad Water Heater on Gas Bills

  1. Check for energy efficiency. A bad water heater may be using up too much gas.
  2. Check for heat loss. If it’s old or damaged, it may be losing heat and thus using more gas.
  3. Look out for leaks. Leaks waste water and energy, and make the heater have to work harder.
  4. Inspect the insulation. Poor insulation means heat escapes and the heater needs to use more gas.
  5. Check the thermostat. A malfunctioning thermostat can cause the water to be heated too much, wasting gas.

Addressing these problems quickly is key. Regular maintenance or replacing the heater can help you save money.

For extra savings, consider investing in a high-efficiency tankless water heater!

Steps to Take If Your Water Heater is Causing High Gas Bills

Do you have sky-high gas bills? Your water heater could be the problem. Take a look at what you can do:

  1. Look for leaks: Check your water heater and its pipes for any leakage. Even a tiny leak can use up a lot of hot water and cause higher bills.
  2. Insulate it: Put insulation around the tank and pipes. This will stop heat from escaping and save energy.
  3. Lower the temperature: Set your water heater to between 120-140 degrees Fahrenheit. You’ll get hot water while saving energy.

Take care of any problems quickly. This will stop energy wastage and costly bills.

Old or inefficient heaters are more likely to cause high bills. Think of upgrading to a newer, more energy-efficient model.

Did you know? Heating water is responsible for 18% of residential gas use in the US (U.S. Department of Energy).


Saving energy and money can be done with a well-functioning water heater. Here are three points to keep in mind:

  1. Regular inspections and maintenance are a must for optimal performance. This includes checking for leaks, sediment buildup, and the calibration of the thermostat.
  2. Put insulation around the water heater to reduce standby heat loss and avoid unnecessary energy consumption.
  3. Upgrade to an energy-efficient model like a tankless water heater or heat pump water heater. This provides long-term savings.

These suggestions can provide huge benefits. Maintenance ensures peak efficiency, saving energy and money. Insulation minimizes heat loss, decreasing the need for frequent reheating. Upgrading to an energy-efficient model reduces energy consumption and lowers bills.

To save more, set the water temperature at an appropriate level. Just lowering the temperature by a few degrees can lead to major savings, while still having a hot shower.

By taking these steps, you can have a positive effect on both your wallet and the environment. Small changes can add up to major savings, so consider these tips when selecting or maintaining your water heater.

Frequently Asked Questions

FAQ 1: How to choose a water heater?

To choose a water heater, consider factors such as the fuel source (gas, electric, solar, or heat pump), size, energy efficiency, and cost. Evaluate your hot water needs, available space, and budget to determine the best option for you.

FAQ 2: How to choose a water heater size?

To choose the right water heater size, consider the number of people in your household and their hot water usage. Generally, a 40-gallon tank is suitable for a family of four, but larger households may require a larger storage tank or a tankless water heater with a higher flow rate.

FAQ 3: How to choose a water heater element?

When selecting a water heater element, you need to consider the fuel type (electric or gas) and wattage. Electric water heaters usually have two heating elements, while gas water heaters have a gas burner. Ensure compatibility and consult a professional if unsure.

FAQ 4: How to choose a tankless water heater?

To choose a tankless water heater, determine your desired flow rate, temperature rise, and the number of appliances you wish to supply hot water to simultaneously. Calculate the hot water demand and select a tankless model with the appropriate flow rate and capacity.

FAQ 5: How to choose a tankless water heater size?

To determine the ideal tankless water heater size, consider the flow rate (in gallons per minute) required for your appliances and the desired temperature rise. You can consult a professional to accurately calculate the size needed based on your specific hot water needs.

FAQ 6: How to choose a natural gas tankless water heater?

When choosing a natural gas tankless water heater, consider the same factors as selecting any tankless water heater, but ensure that the unit is compatible with natural gas and vented properly. Consult a professional to help you select the right model for your needs and ensure safe installation.