I picked up an old airmate by emglo at a yard sale about five years ago, and honestly, it's probably the most reliable piece of machinery in my garage right now. It was dusty, the cord was a bit stiff, and the previous owner looked like he'd put it through the ringer on a dozen different job sites, but the second I flipped that switch, it roared—or rather, thrummed—to life. There's just something about those old-school, American-made compressors that feels different from the lightweight, plastic-shrouded stuff you see at the big-box stores today.
If you've spent any time around construction sites or woodshops, you know the name Emglo. They were the gold standard for portable air for decades. Before the brand was eventually absorbed and the designs shifted around, that "Airmate" line was the go-to for finish carpenters and DIYers who needed something they could actually carry without throwing out their back, but that still had enough "oomph" to sink nails all day long.
The Magic of the Cast Iron Pump
One of the big reasons people still hunt down an airmate by emglo on the used market is the pump. Most modern "pancake" compressors you buy for a hundred bucks use oil-less pumps. They're loud, they run hot, and once they die, you basically just throw the whole unit in the trash. The Airmate, though, usually sports a heavy-duty, oil-lubricated cast iron pump.
Cast iron is the secret sauce here. It handles heat way better than aluminum, and because it's lubricated with oil, the internal friction is significantly lower. This means the motor doesn't have to scream at 4,000 RPM just to keep up with a brad nailer. When you hear an old Emglo running, it has this rhythmic, mechanical heartbeat. It's a low-frequency sound that doesn't make your ears bleed, which is a huge plus if you're working in a small basement or a closed-in room.
Built Like a Tank (Literally)
The design of the Airmate is pretty iconic. You've got that single horizontal tank with the motor and pump perched right on top, and a sturdy handle that makes it feel like you're carrying a heavy-duty briefcase. It's not "light" by modern standards—you're definitely going to feel it in your forearm after carrying it up a flight of stairs—but that weight comes from real steel and copper.
I've knocked mine off the back of a tailgate once (not my proudest moment), and besides a little chip in the paint and a slightly bent regulator knob, it didn't care. If I'd done that with a modern, plastic-shrouded unit, I'd be picking up shards of casing for an hour. The frame on these things is built to be a roll cage for the vital components. It's clear that the engineers who designed these weren't worried about making them look "sleek" for a marketing brochure; they wanted them to survive a fall off a sawhorse.
Why Oil-Lubricated Still Wins
A lot of people avoid compressors that require oil because they don't want the maintenance. I get it. We're all busy. But taking two minutes to check an oil dipstick once a month is a small price to pay for a tool that lasts thirty years. Most of the airmate by emglo units you see still working today are survivors because their owners actually bothered to change the oil every once in a while.
- Lower Operating Temps: Oil keeps the piston and cylinder cool.
- Longevity: Less friction means the seals stay intact longer.
- Rebuildability: If an oil-lubricated pump does eventually wear out, you can usually rebuild it. Try doing that with a disposable oil-less unit.
It's also worth mentioning that because these units run cooler, they produce less moisture in the lines. If you're doing fine finish work or occasionally spraying some lacquer, that's a massive benefit. Nobody wants a glob of water ruining a fresh paint job.
Finding Parts Isn't as Hard as You Think
One concern people have when buying older gear like an airmate by emglo is where to find parts. Since the brand has changed hands over the years, you won't find "Emglo" branded boxes on the shelf at the local hardware store. However, there's good news: Jenny Products.
Jenny basically took over the manufacturing of the original Emglo designs. They still make the pumps and many of the components right here in the States (Pennsylvania, to be exact). So, if your pressure switch goes out or you need a new gasket kit for the pump, you can actually get them. You aren't just owning an antique; you're owning a piece of "legacy equipment" that still has a support system. That's a rarity in our current "throwaway" culture.
Real-World Performance on the Job
Whenever I'm doing trim work—installing baseboards or crown molding—the Airmate is my first choice. It's got a fast recovery time, meaning once the pressure drops and the motor kicks in, it doesn't take forever to get back up to max PSI. You aren't standing there waiting for the tank to fill up while you're in the middle of a rhythm.
It's also surprisingly stable. Some of those cheap, light compressors like to "walk" across the floor because of the vibration. They'll literally vibrate themselves right out the door if you aren't careful. The weight of the airmate by emglo, combined with some decent rubber feet, keeps it exactly where you put it. It's a small detail, but it's one of those things that makes your workday just a little less annoying.
Is It Worth Buying One Used?
If you see an airmate by emglo at a pawn shop or on a local classifieds site, should you grab it? In my opinion, absolutely. Even if it looks like it's been through a war, these things are workhorses.
Here's a quick checklist of what I look for: 1. Check the oil: If the oil is pitch black or, worse, looks like chocolate milk (which means water got in), you might have some wear. But if it's relatively clean, the previous owner cared. 2. Listen for leaks: Let it pump up to full pressure and wait for it to cut off. If you hear a hiss from the tank or the pressure relief valve, it might need a cheap fix, but make sure the tank itself isn't rusted through. 3. The "Slow Start" Test: Does it struggle to start? Sometimes the capacitors go bad, which is an easy fix, but you want to make sure the motor sounds healthy.
Final Thoughts on a Classic
The airmate by emglo represents an era of tool manufacturing where things were built to be serviced, not replaced. It isn't the quietest thing in the world, and it certainly isn't the lightest, but it's consistent. In a world where so many tools feel like they're made of cheap resin and optimism, having a chunk of cast iron and steel that just works every time you plug it in is a breath of fresh air.
Whether you're a professional who needs a reliable backup or a weekend warrior who wants a tool that'll last long enough to pass down to your kids, keep an eye out for these old blue or yellow beauties. They just don't make 'em like this anymore, and that's a real shame—but as long as there are parts available and oil in the crankcase, mine isn't going anywhere.