To serve you better, we remain open 24/7 during the COVID-19 outbreak. Learn More

Common Reasons For Running Out Of Hot Water

Running out of hot water during your morning shower can put your day to a bad start, find the simple solution for your hot water problem.

Taking a relaxing, hot shower is one of life’s simple pleasures. Having that taken away from you when you’re running out of hot water can be a pain. There can be a variety of causes for such a problem. We’re here to help you get to the bottom of it so that you and your family can enjoy the perks of having a water heater once again. Take a look at the problems and solutions listed below and hopefully one of them will help solve your issue.

Water faucets have not been fully closed

Running Out Of Hot WaterIf you notice that water is always leaking or dripping from your kitchen sink or shower then this may be the reason that you’re running out of hot water. The hot water that is dripping from the faucet when its not in use will empty your water heater of its hot water supply and leave you with barely any left when you need to use it. Not to mention that this will also increase your water bills. Make sure that all faucets and showers are completely closed when they’re not in use. This way you will have more hot water and also save on utilities.

Your water heater has reached the end of its life or needs to be repaired

Once a water heater is approaching the end of its life it becomes less efficient and no longer operates as it did when it was new. Most water heaters last 8 to 12 years. If your water heater is around this age or older then you should consider finding a replacement as the unit has outlived its useful life. A new energy-efficient water heater will allow you to once again enjoy having hot water when you need it.

If your water heater has not reached the end of its useful life, but you are experiencing problems with its operation then a repair may be what’s necessary. In order to prolong the life of your water heater it is important to perform regular maintenance on the unit. With regular maintenance you will reduce the likelihood of experiencing problems early on in the water heater’s life. Contacting an HVAC professional for a repair would be the best solution for this problem. An HVAC professional would be able to diagnose the problem and provide you with an adequate solution to have your water heater running properly again.

You have an undersized water heater

The size of your water heater should be based on the size of your home. If your water heater was not sized properly when you bought it then this could result in not having enough hot water. The water heater that you have may be too small for your home and your family members needs.

The only real solution to this problem is to buy a larger water heater that is appropriate for the size of your home and the amount of people living in it. A larger water heater will be able to accommodate for your needs and will provide you with more hot water. Another great option to consider is to switch over to a tankless water heater unit. Tankless water heater units never run out of hot water because they only heat the water as it’s being used. Tankless units provide you with hot water on-demand for as long as you need it. These type of units are also more energy efficient as they don’t waste energy heating water that isn’t being used.

Using too much hot water at once

Running all of your home appliances at once might be the root of the issue. Taking a hot shower, washing your clothes, and doing the dishes at once is not the best idea if you have problems with running out of hot water. It can also become a problem if all the members of your household have the same schedule. When everyone’s taking their daily shower at the same time or consecutively you are very likely to run out of hot water.

Solving this problem is not that complicated as all it takes is creating a schedule with your family members. If you want to be able to enjoy your hot showers again then make sure that you and the other members of your household aren’t using hot water at the same time. The hot water tank needs time to heat up the water, so using the shower consecutively may also be a problem.


We hope that your questions about your lack of hot water have been answered. If you are having  problems with your home’s current water heater, don’t wait until it’s too late and take advantage of our rent to own program. There are no upfront costs, no hidden fees, two months free, free lifetime service and repairs, and 24/7 customer service. If you have any further questions about why you may be out of hot water or any of your other HVAC needs, don’t hesitate to contact DeMark Home Ontario today.

We offer a free installation done by our highly trained and experienced technicians. You’re saving more when you rent your water heater from DeMark Home Ontario. We offer the lowest rental rates on the market and provide our customers with professional and reliable service. If you’re considering an upgrade to a new high efficiency water heater for your home, DeMark Home Ontario is here to make the change as easy and convenient as possible. Give us a call at 647-847-2998 or fill out our online request form and we will be happy to assist you.

Easy Rentals...

get total piece of mind with our High Efficiency Furnace and Air Conditioner Rental Program.
Customer Rating of 5.0
based on Google reviews

  • Get A Quote Today! Free in-home estimate!
  • This field is for validation purposes and should be left unchanged.

Upgrading to a high-efficiency heating and cooling system offers more than energy savings.

Take advantage of these rebates today!


This item comes with absolutely free standard installation. We’ll ensure that the product is completely installed to code and fully functioning prior to leaving.


Great news! Receive a brand new digital thermostat absolutely free when renting this HVAC product from DeMark Home Ontario.


Great news! When renting a furnace or air conditioner, you’ll get your first 2 months absolutely rent free.


Great news! When renting a furnace and air conditioner together, you’ll get your first 3 months absolutely rent free.


This product carries a manufacturer warranty and we’re happy to explain it in full to you. Feel free to get in touch with us for more information or see the Warranty Information tab for more information


If your order is placed and confirmed by 11am, we can have your HVAC product installed within the same day.

Certain conditions apply, not available on all products.


This water heater is subject to reduced rental rates based on the DHO discount program. Save money on your bill every single month!

Some conditions apply


Save money on this item when buying it along with a qualifying high-efficiency furnace or air conditioner.

Some conditions apply


Great news! When renting a qualifying water heater, you’ll get your first 2 months absolutely rent free.


Promotional code can be found on the eFlyer, Brochure or promotional email that you received from us.

*If you are an existing customer please refer to the mail or email that was sent to you after the installation of your equipment as it contains your promotional code. If you are having troubles locating it please call us and one of our Customer Service Representatives will be happy to assist you.

  • Please fill out the form below in order to schedule service and be sure that your request will be processed promptly and you will hear back from us shortly.

Notice for Power Vent Water Heater Customers

Effective August 2007, gas code requires technicians working on venting to replace black ABS vent pipe with white UL-certified vent pipe.

We will upgrade your venting pipes at no additional cost.

  • Forum Registration

  • Forum Rules

    Registration to this forum is free!
    You must abide by the rules and policies detailed below. If you agree to the terms, please check the 'I agree' checkbox and press the 'Register' button below.

    Although the administrators and moderators of DeMark Home Ontario Forum will attempt to keep all objectionable messages off this forum, it is impossible for us to review all messages. All messages express the views of the author, and DeMark Home is not responsible for the content of any message.

    By agreeing to these rules, you warrant that you will not post any messages that are obscene, vulgar, sexually-oriented, hateful, threatening, or otherwise violative of any laws.

    The owners of DeMark Home Ontario Inc reserve the right to remove, edit, move or close any thread for any reason.



Send this to a friend