Author: Mike Izzo

Hi, I'm Mike Izzo, the author behind HVAC Direct Plus. As the tagline suggests, my goal is to empower you with the knowledge and insights needed to make the best choices in heating, ventilation, and air conditioning. Whether you're looking for energy-efficient solutions or innovative gadgets, I provide comprehensive reviews and expert opinions on the latest HVAC products, air purifiers, thermostats, and service truck accessories. Stay updated with industry trends and explore our extensive collection of reviews to ensure your home or business is equipped with the perfect products for enhanced comfort and air quality. Join me on this journey to a cleaner and cozier living space.

  • Klein 31737 Folding Saw: My Go-To for Tight Spots

    ByMike Izzo

    After twenty years of cutting through drywall in cramped attics and behind water heaters, I can tell you the Klein 31737 has earned its spot in my daily kit. This isn’t some flimsy homeowner saw—it locks solid at both 180 and 125 degrees, which means I can actually get blade-on-board in those impossible angles behind ductwork without destroying my knuckles. The folding design keeps it from shredding my other tools, and that tether hole? Lifesaver when you’re balanced on a ladder. I’ve put mine through hell—cutting access panels, notching studs for linesets, emergency repairs in dusty crawlspaces—and it keeps biting clean. Sure, there are cheaper jab saws out there, but this one actually makes it home at the end of the day. That’s what matters.

  • Klein 2005N: The Wire Tool I Keep in My Pouch (47 characters)

    ByMike Izzo

    Look, I’ve burned through plenty of wire tools over the years, and most end up in my junk drawer after a few months. The Klein 2005N? It’s been riding in my pouch for three years straight. This thing strips 10-18 AWG stranded wire clean every time—no nicks, no having to redo it. The crimper actually holds terminals tight, which matters when you’re up in an attic and can’t afford callbacks. That built-in shear cutter gets through thermostat wire like butter. Is it the fanciest tool out there? No. But it’s Made in USA, fits comfortably in your hand during long days, and just works. When you’re troubleshooting a failed contactor at 2 PM in July, you need tools that don’t make your job harder. This is one of them.

  • Klein Tools 626: My Go-To 6-in-1 Tapping Tool

    ByMike Izzo

    I’ve been running HVAC calls for over a decade, and the Klein Tools 626 has earned its spot in my daily kit. This isn’t just another multi-tool gathering dust in my truck—it’s the tapping tool I actually reach for when I’m hanging ductwork or installing registers. The cushion grip matters more than you’d think when you’re driving dozens of screws in a cramped attic. What sets this apart is how the six tips swap out smoothly, even with greasy hands. I’ve used cheaper alternatives that stripped out or had tips that wouldn’t stay locked. The Klein holds up to real job site abuse. It’s not fancy, but it does exactly what it promises without the frustration. If you’re tired of tools that quit after a few months, this one’s worth the investment.

  • Klein LAN Scout Jr. 2: My Honest Field Review

    ByMike Izzo

    I’ve been running network cables in commercial HVAC installs for over a decade, and I’ve burned through my share of cable testers. When Klein came out with the LAN Scout Jr. 2, I’ll admit I was skeptical—another “upgraded” tool that’s basically the same thing with a higher price tag, right? Wrong. After six months of daily use on job sites, this little tester has earned its spot in my bag. It’s not perfect, and I’ll get into what drives me crazy about it, but it handles CAT 5e and CAT 6/6A testing without the bloat of features I’ll never use. If you’re pulling cable for thermostats, building automation systems, or VRF controls, you need reliable continuity and wiring verification—not a $500 certification tester. Let me break down what actually matters in the field.

  • Klein 32314: My Go-To Precision Driver for HVAC

    ByMike Izzo

    After fifteen years crawling through attics and squeezing into mechanical rooms, I’ve learned that cheap multi-tools are just expensive mistakes. The Klein 32314 changed how I handle precision work on control boards and thermostats. What sets this apart isn’t just the 14-in-1 design—it’s that Klein actually understands what “precision” means in the field. The tamperproof TORX bits handle modern equipment without stripping, and those nut drivers are genuinely useful for valve packing and small fittings. The electronic handle is solid enough that I’m not babying it, yet balanced for detailed work when I’m troubleshooting a condensate pump at arm’s length. It’s become the first tool I grab for any electronic component work. Not the cheapest option out there, but it’s paid for itself dozens of times over.

  • Klein Tools 5242: My Go-To Pouch for HVAC Work

    ByMike Izzo

    After five years beating up tool pouches on job sites, I finally found one that keeps up with me. The Klein Tools 5242 isn’t fancy, but it’s exactly what I need when I’m crawling through attics or crammed under a furnace. That reinforced bottom actually holds up to concrete and metal edges—I’ve shredded cheaper pouches in months. The nine pockets keep my most-used tools right where I expect them, and that electrical tape thong? Simple, but I use it constantly. What really sold me is how it distributes weight. Even loaded up, it doesn’t dig into my hip like my old pouch did. Klein clearly built this with real tradesmen in mind, not just to check boxes on a spec sheet. It’s become part of my daily rig, and that says everything.

  • Klein Tools 55474: The Phone Holder I Trust Daily

    ByMike Izzo

    I’ve been using the Klein Tools 55474 phone holder for eight months now, and it’s become as essential as my multimeter. Look, I’ve burned through cheaper holders that couldn’t handle crawling through attics or squeezing behind furnaces. This one’s different. The magnetic closure actually stays shut when you’re on a ladder, and that XX-Large sizing fits my phone even with a bulky case on it. The belt clip is seriously overbuilt—I’ve snagged it on ductwork more times than I can count, and it’s still rock solid. What sold me is that Klein understands our work. They know we’re not sitting at desks. We’re in 130-degree attics and freezing crawl spaces. This holder keeps my phone protected and accessible when I need to pull up equipment manuals or snap photos for customers. It just works.

  • I’ve Tested This Clip Kit—Here’s My Verdict

    ByMike Izzo

    Look, I’ve fumbled with enough brittle plastic clips and stubborn hose clamps to know when a tool kit actually earns its spot in my bag. After three months of daily use on residential HVAC jobs, this clip removal kit has proven itself where it counts—tight furnace compartments and awkward AC unit angles.

    The wire terminal separator alone has saved me from mangling at least a dozen connectors that would’ve cost my customers unnecessary parts replacements. The hose clamp pliers grip without slipping, even on corroded spring clamps I’ve encountered on older systems. What sold me? These tools didn’t crack or bend after repeated use in cold attics and hot mechanical rooms.

    Is it perfect? No. But it’s reliable, affordable, and does exactly what an HVAC tech needs without the fluff.

  • My Take: Mutt Tools 17pc Folding Allen Key Set

    ByMike Izzo

    I’ve been turning wrenches on HVAC units for over a decade, and I can spot a gimmick from a mile away. This Mutt Tools 17-piece set isn’t one of them. The color-coding actually matters when you’re crammed in an attic with a headlamp, trying to grab the right size fast. The folding design keeps them compact in my bag without the jangling mess of loose keys. What really sold me is the durability—these handles haven’t stripped out like cheaper sets, even after months of daily use on condenser panels and blower assemblies. The size markings stay legible, which seems small until you’ve grabbed the wrong key three times in 95-degree heat. Are they perfect? No tool is. But for the price, they’ve earned a permanent spot in my kit.

  • Klein 69417 Magnetic Hanger: A Field-Tested Review

    ByMike Izzo

    I’ve put the Klein 69417 through six months of daily abuse on residential and light commercial jobs, and it’s earned a permanent spot in my bag. The rare-earth magnets grip like nothing else I’ve used—I’ve hung my drill on ductwork, suspended parts from furnace cabinets, even kept my tablet accessible on metal studs. The included strap is what separates this from cheaper magnetic hooks; it lets you hang the tool on non-metallic surfaces or double your capacity. At around twenty bucks, it’s not the cheapest option, but I haven’t had one fail yet. My apprentice tried saving money with a knockoff—it lasted two weeks before the magnet separated. If you’re tired of hunting for tools you set down or need an extra hand when you’re working solo, the Klein 69417 actually delivers.

  • Klein Tools 32308: My Go-To Stubby for Tight Spots

    ByMike Izzo

    I’ve been running service calls for twelve years, and the Klein 32308 stubby has earned a permanent spot in my pouch. When you’re wedged behind a furnace or reaching into a cramped electrical panel, those extra inches you save with a stubby make all the difference. What sets this one apart is the magnetic bit holder—it’s strong enough to actually hold screws while you’re working one-handed, which isn’t just convenient, it’s essential when you’re contorted in an attic. The 8-in-1 design covers probably 90% of what I encounter on a typical day, and the impact rating means I’m not babying it when I need to break loose a seized screw. It’s not the cheapest option out there, but Klein quality means I’m not replacing it every six months like the budget alternatives.

  • Klein 935DAGL Review: My Go-To Digital Level

    ByMike Izzo

    I’ve been using the Klein 935DAGL for about eight months now, and it’s become the first tool I grab when setting up ductwork or checking condenser pads. What sets this level apart isn’t just the dual-axis capability—it’s that the thing actually holds calibration. I’ve dropped it twice (concrete floor, naturally), and it still reads dead-on accurate.

    The programmable angle feature saves me serious time on sloped drain lines. Instead of doing mental math or pulling out my phone calculator, I just set my target angle and go. The display is bright enough to read in dim crawlspaces, and the magnetic base is strong enough that it stays put on sheet metal while I make adjustments.

    Is it pricey compared to a bubble level? Sure. But when you’re billing by the job, speed and accuracy pay for themselves fast.