When it comes to supporting HVAC systems on rooftops, some contractors consider building roof curbs out of wood to save time or reduce costs. While wood might seem like an easy option, it often leads to serious long-term problems, especially in environments where air conditioning, moisture, and weather exposure are constant factors. The truth is […]
Should You Build Roof Curbs Out of Wood? Read More »
The U.S. Environmental Protection Agency (EPA) on Sept. 30, 2025 published a fact sheet proposing to remove the Jan. 1, 2026 installation limit for residential and light-commercial HVAC systems built with components manufactured or imported before Jan. 1, 2025.
What is The EPA Doing Now?!? Read More »
Here at Curbco we’re happy to create curb for sloped roofs as long as we have the data we need. (See two downloadable forms on our website, “Welded RTU Curbs” and “Calculating the Pitch of a Roof,” for a visual representation of this data.) In principle it’s straightforward enough. The contractors set the level on
Roof Pitch Calculation Dos and Don’ts Read More »
If you’ve ordered a curb adapter design from Curbco (or anybody else, for the most part), then you’re already familiar with the submittal drawing, the drawing we create that shows precisely how the new curb adapter will fit in relation to the old or existing curb dimensions. This plan view diagram displays the outside diameter
Get Those Submittal Drawings Checked! Read More »
In the late 80’s early 90’s Curbco began to focus more and more on RTU curb adapters, we knew we needed to label our adapters, not only so we would be able to internally identify which adapter was going with which work order/job but also so that once the adapter arrived on the job site
What’s in a Name…Plate? Read More »
When does a contractor need to fill out a field survey form? In a best-case scenario, we we can simply generate a submittal drawing that the contractor can then verify as good so we can move forward. But that’s only possible if we actually have the model numbers for the existing setup. If your contractor
Field Survey Forms: Every Measurement Counts Read More »
Why “Fast and Cheap” Often Costs More in HVAC Projects Published on May 6, 2025 In the HVAC industry—especially during the busy season—the temptation to choose the fastest or cheapest solution for rooftop curbs and adapters is real. But fast and cheap often comes with hidden costs that don’t show up until the project is
Why “Fast and Cheap” Often Costs More in HVAC Projects Read More »
“Going green” is all the rage these days, and some businesses make it a priority not only to be environmentally responsible but to do business with others who feel the same way. But it’s not easy being green, especially for large commercial facilities that rely on older-model rooftop units. These units may still get the
Energy Efficiency Can Help “Green” Businesses Get Greener Read More »
Complete resource on RTU curbs and curb adapters Curbco strives to provide useful information about installing HVAC RTUs (roof-top units). Whether you’re an experienced contractor or distributor, just starting your career, or just an inquiring member of the general public, you’ve arrived at the only page you need to learn all there is to know
Complete Guide to Curb Adapters Read More »
When your rooftop HVAC unit (RTU) gives out, it’s immediately noticeable—employees notice how hot it’s becoming inside the building, and customers won’t stick around in a hot environment. As a building owner, you need to address the problem quickly so your staff and customers can get back to business as usual. You’re going to need
Get Your RTU Replacement Right the First Time Read More »
