Mi-T-M & Master Generators & Heaters in Columbus, OH

Spartan Tool Supply has the largest in-stock inventory in Central Ohio. We pride ourselves on having the best brands and the best service!

A full assortment of portable generators are in stock for your immediate pickup in Columbus, Ohio or fast delivery. When you really need it, we really have it. Whether you need a 110V, 220V, or 440V generator, we can help you with gasoline or diesel-powered generators.

From job sites with no power to storm outages and cold Ohio winters, we keep contractors and businesses running. A generator can power your power tools and air compressors anywhere, and our safety equipment department has what you need to run them safely.

In stock for immediate pickup or fast delivery in Columbus, OH!

(614) 443-7607
110V Generators
220V Generators
440V Generators
Gasoline Generators
Diesel Generators
Portable Generators
Propane Job-Site Heaters
Battery-Powered Heaters

Trusted Generators & Heaters Brands

Every brand below is on our line card. Click a brand to learn more or shop. See the full line card.

Pressure washers, generators and air compressors
Portable heaters for jobsites and shops

Sizing Generators & Heaters

A generator that's too small trips breakers and can damage equipment, and a heater that's too small never catches up. Here's how to size them correctly.

Running vs. Starting Watts

Add up the running watts of everything you'll power at the same time. Motor-driven equipment like compressors, pumps, and saws can need two to three times its running watts to start. Size the generator for your largest starting load plus everything else running.

Voltage & Phase

120V covers hand tools and lighting. 120/240V handles well pumps, welders, and larger compressors. Three-phase power is for industrial equipment. Confirm the voltage, phase, and plug type your equipment needs before you choose a generator.

Gasoline vs. Diesel

Gasoline generators cost less upfront, weigh less, and run on fuel that's easy to find. Diesel generators use less fuel on long run times and heavy loads and are built for long engine life. If gas fuel will sit for a while, use a stabilizer.

Choosing a Job-Site Heater

Forced-air propane and kerosene heaters warm large, ventilated spaces quickly. Direct-fired heaters release combustion gases into the space, so they need ventilation. Indirect-fired heaters send clean, heated air into enclosed areas. Tell us your square footage and target temperature and we'll help you size it.

Pro Tip

Never run a generator or fuel-burning heater indoors, in a garage, or near open doors and windows. Carbon monoxide is odorless and deadly. Place generators well away from buildings and use a CO monitor in any heated workspace.

Generators & Heaters FAQ

What size generator do I need? +

Add up the running watts of everything you'll power at once, then account for the higher starting watts of motors like compressors and pumps. Call (614) 443-7607 with your equipment list and our team will help you size it.

Can I use a propane heater indoors? +

Only with adequate ventilation and when the manufacturer approves it for that use. Direct-fired heaters release combustion gases, including carbon monoxide, into the space. Indirect-fired heaters are a better option for enclosed areas.

Do you sell diesel generators in Columbus, Ohio? +

Yes. Spartan Tool Supply stocks gasoline and diesel portable generators in 110V, 220V, and 440V configurations from Mi-T-M, ready for immediate pickup or fast delivery.

Need a Generator or Heater?

Central Ohio's largest in-stock inventory of generators and job-site heaters. When you really need it — we really have it.

(614) 443-7607 Send Us a Message