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How To Heat A Cold Garage
How to Install Electric Wiring for a Floor Heat System: Electrical Circuit for a Floor Heating System.
Electric Heat for a Cold Garage
- After doing my research, I’ve realized that I have 2 options:
- Go all out and get a good 240 volt garage heater.
- Buy a few 120 volt space convection heaters to heat up the area.
The problem with the first option is that all outlets are standard 120 volt.
- That said, if I did try to go the garage heater route, what steps do I need to take?
- I am definitely not going to try to wire things on my own, and I would have a professional electrician do it.
- Would I go to my power company to do this or should I contact an electrician?
- Can you estimate about how much the process will cost?
- And finally, and sorry if this is a dumb question, is there anyway I could instead use the same outlet as my refrigerator to plug in and run the 240 volt garage heater? Frigidaire refrigerator model #FRT21LR7DS3.
- We could easily run the wire into the kitchen if needed.
Thanks for any help!
This electrical wiring question came from: Rachel, a Homeowner from Athens, Georgia.
Dave The Electrician’s Reply:
Thanks for your electrical wiring question Rachel.
How to Install Electric Wiring for a Floor Heat System
Skill Level: Intermediate to Advanced.
Tools Required: Basic Electricians Pouch Hand Tools and a Voltage Tester.
Estimated Time: Depends on personal level experience, ability to work with tools and install electrical circuit wiring.
Precaution: Identify the panel circuit, turn it OFF and Tag it with a Note before working with the wiring.
Notice: Installing additional electrical circuit wiring should be done according to local and national electrical codes with a permit and be inspected.
Electrical Circuit for a Floor Heating System
- Rachael, the first thing I would recommend is to seal up any air leaks and insulate the walls and the ceiling of the garage where ever possible.
- Unfortunately your refrigerator circuit will typically not support the additional electrical load of a heating system, especially one that will heat your cold garage.
- If you must use electricity to heat then a 240 volt heater unit would be much more energy efficient than a 120 volt heating system.
- If the space will be used continuously then I would highly recommend installing a heat cable system into the floor.
- A typical floor heat system requires a dedicated 240 volt circuit, and the amperage will depend on the size of the specific heat system.
- Floor heat systems are controlled by a thermostat which can have a variety of settings to enable energy savings and maintain warmth when you need it most.
- The floor cable systems heat from the floor up which makes it much more comfortable for the conditioned area.
- If the garage has a high ceiling then consider installing a ceiling fan as well which will help bring the heat down from the ceiling.
More about Garage Electrical Wiring
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Consult your Local Building Department about Permits and Inspections for all projects.