Flexible Duct Connector Guide for Air Handlers: What It Does and When to Replace It
An HVAC flexible duct connector is the short band of fabric between a fan or air handler and the sheet metal duct it feeds. Most people in the trade call it a canvas duct connector. If you manage a building in central Ohio, it’s a small part of your air system, but a torn one […]
Roof Curb Guide for Rooftop Units: Sizing, Pitch and What to Measure
A roof curb for HVAC equipment is the raised metal frame that holds a rooftop unit (RTU) above the deck and lets the supply and return ducts drop into the building below. If you’re a contractor or GC setting new package units on a central Ohio job this fall, the curb affects whether the unit […]
AC Unit Cage Guide: Protecting Rooftop and Ground Units From Copper Theft
AC Unit Cage Guide: Protecting Rooftop and Ground Units From Copper Theft An AC unit cage is a welded metal enclosure that bolts down around a condenser or rooftop unit (RTU) so thieves cannot reach the copper inside. If you manage a strip center, school, church, or warehouse in Columbus, one stripped unit can mean […]
Grease Duct Requirements for Columbus Commercial Kitchens
Grease Duct Requirements for Columbus Commercial Kitchens If you manage a restaurant, school cafeteria, or hospital kitchen, the grease duct above your Type I hood is the section of the exhaust system that fire inspectors look at the hardest. A Type I hood is the hood that sits over the cooking areas that make grease […]
HVAC Plenum Fabrication in Columbus, Ohio: Getting the Box Right on a Furnace or Air Handler Changeout
HVAC Plenum Fabrication in Columbus, Ohio: Getting the Box Right on a Furnace or Air Handler Changeout When you swap a furnace or air handler in central Ohio this fall, the new unit doesn’t usually match the old one. The footprint changes, the flange moves, and the existing supply plenum no longer lines up. At […]
Galvanized vs Stainless Steel vs Aluminum: Choosing Sheet Metal Materials in Columbus, Ohio
Galvanized vs Stainless Steel vs Aluminum: Choosing Sheet Metal Materials in Columbus, Ohio Most quote requests that come across our bench already name the material desired. Sometimes it is the right call. Often the spec was copied from the last job, and the part is headed somewhere different: a wash-down room, a rooftop, a duct […]
Aluminum Repair in Columbus, Ohio: When to Weld a Part Back Into Service and When to Replace It
Aluminum Repair in Columbus, Ohio: When to Weld a Part Back Into Service and When to Replace It A cracked aluminum housing, a torn duct flange, a broken bracket on production equipment. You have a machine down and two options: wait weeks for a replacement piece that may no longer be manufactured, or get the […]
HVAC Curb Adapters in Columbus, Ohio: What Contractors Need to Know Before the Next RTU Changeout
HVAC Curb Adapters in Columbus, Ohio: What Contractors Need to Know Before the Next RTU Changeout If you are replacing a rooftop HVAC unit on a commercial building in Columbus, the new equipment will likely not match the existing roof curb. Different maker means a different footprint and different supply and return openings. The curb […]
Welded Steel Ductwork in Columbus, Ohio: When Standard Duct Isn’t Enough
Most commercial HVAC ductwork in central Ohio is snap-lock and slip-and-drive galvanized. It is sealed with mastic and built to a 1 or 2 inch water gauge pressure class. That construction works fine for conditioned supply and return air, but it falls apart the moment you push grease, high static pressure, corrosive fumes, or 600 […]
Aluminum Welding in Columbus, Ohio: What Makes It Different and Why Your Shop Matters
Aluminum Welding in Columbus, Ohio: What Makes It Different and Why Your Shop Matters Aluminum has been showing up on more and more project specs lately. It is lighter than steel, resists corrosion without paint, and looks clean in exposed applications. But welding aluminum is not the same as welding steel. The difference between a […]