Options for heating your garage during Oklahoma winters — from space heaters to mini splits.
An unheated garage in Oklahoma can drop below freezing during ice storms, which can freeze pipes running through the space, damage stored paint and chemicals, make your car harder to start, and make the garage unusable as a workshop. Even moderate heating — keeping it above 40°F — prevents most cold-weather problems.
The best permanent solution. A ductless mini split provides both heating and cooling for $2,500-$4,500 installed. It's energy-efficient, quiet, and doesn't require ductwork. You get a comfortable workspace year-round. ARP Heat And Air installs Mitsubishi and other major brands.
The cheapest option at $30-$100 for the heater. Good for occasional use but expensive to run continuously — a 1,500-watt heater costs about $0.15/hour in Oklahoma. Not ideal for large garages. Keep away from flammable materials and never leave unattended.
A natural gas or propane unit heater ($500-$1,500 installed) mounts on the wall or ceiling and heats quickly. Good for larger garages and workshops. Requires gas line connection and proper venting. More economical to run than electric for regular use.
Whatever heating option you choose, insulating your garage makes it 2-3x more effective. Insulate the garage door (kits cost $50-$100), insulate walls if they're unfinished, and seal gaps around the garage door and any windows. An insulated garage with a small heater stays warmer than an uninsulated garage with a large heater.
At ARP Heat And Air, we've been helping Oklahoma homeowners with their HVAC needs since 2011. Our owner Charlie brings 14+ years of hands-on experience and is known for giving honest, practical advice — not trying to upsell you on services you don't need.
If you have questions or need HVAC service in the OKC metro area, give us a call at (405) 413-0583. We offer free estimates, same-day service, and 24/7 emergency response.
Based in Edmond, OK, we serve 35+ cities across the Oklahoma City metro area. Oklahoma CIB License #00125054. A+ BBB Rated.