How do I mount an electric wall heater to a wall made of cinder block?

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Tiffany B asked:


My son’s room gets no heat. There is a gas outlet in there, but gas wall heaters are 3 times as costly as electric. So, I bought an electric wall heater, but the electric ones do not come with any brackets. I need to mount this to a wall made of cinder blocks and am afraid of what might happen if I mount it improperly.

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3 Responses to “How do I mount an electric wall heater to a wall made of cinder block?”
  1. laura d Says:

    Measure your holes use bits for masonry, drill your holes 1st, set your anchors and adhere as recommended.. If it didn’t come with brackets you can purchase L or angle brackets for cheep.

    Or go to “Home Depot” tell them what you are doing and they will give you the best solution to fix the problem.

  2. Mike Says:

    Hi. First of all, not knowing the age of your son, I would be REALLY careful on the placement of the heater. Proximity to bed, drapes or other flammables. If you are wanting to place this heater on the wall and it’s in a safe place, first you must consider the size of the heater. (You didn’t specify the size) If it is a large heater that is meant for wall mounting, there must be either brackets or holes drilled in the back of the heater made for wall mounting. You may want to look carefully at the manual that came with it. They will usually give you a few options for mounting for different situations. I would be surprised if they did not. For a surface mount application, the best way to secure heavy objects to block walls is to use what they call “wedge anchors.” You will need to drill the proper sized hole meant for a specific sized wedge anchor for each ***** that you are going to need to complete the mounting. Ex: If you are going to need 4 screws, you will also need 4 wedge anchors, and I would also use 4 washers to be placed between the ***** head and the heater for even better security. It would be best to make some sort of template to mark where the holes go before you drill them, that way the heater won’t be in your way as you try and drill. As for the drill bit, the best bit for drilling into brick or cinder block is what’s called a masonry bit. Make sure that you get the right size bit for the size of the wedge anchor you’re using. (Any hardware store can help you with this and all of the parts I have mentioned are very common to all hardware stores) If this is a small, portable electric heater, you could put up a shelf using heat resistant materials, 2 shelf brackets and wedge anchors as well. Then, for a kid’s room, secure the bottom of the shelf to the shelf brackets with wood screws, and secure the bottom of the heater to the top of the shelf. Which leads to how to use a wedge anchor: 1. Pre-mark holes using the heater or shelf brackes as a template. Mark with a pencil. 2. Use a drill and a masonry bit to drill your holes. Make sure you drill deep enough so the entire wedge anchor will fit into the wall, flush with the wall. 3. Insert wedge anchors and tap lightly with a hammer or the back of your screwdriver until flush with the surface of the wall. 4. Place the ***** through the washer and ***** in all about half way. 5. Make sure the heater is level and tighten screws the rest of the way.

    Whether you are mounting a wall heater or a shelf for a portable heater, make sure that you mount them level! It could become a safety issue if you do not! If you don’t have one, it may be worth your while to invest in a small “torpedo level.” They are fairly cheap and are also a common hardware store item. Good Luck!!

  3. L W78 Says:

    Please follow MIKE’s advice carefully with one other word of advice Stay away from the Gas Outlet Too. Make sure the child can NOT climb to the heater or pull it down on himself in any manner.
    There are ways to hide the electrical cords use them even if he is older so they are not accidently pulled.

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