Insights

The Roof Cut You Might Not Need When an old rooftop unit comes off, it can be easy to assume the existing roof curb has to come off with it. But replacing the entire curb can add another layer of work to an RTU replacement. Depending on the project, it may involve disturbing the roof

When a Failed RTU Puts Your Replacement Schedule Under Pressure An aging rooftop unit rarely fails on a convenient schedule. It may be the height of summer, the coldest week of the year, or simply the unit serving a critical part of the building. Whatever the situation, the pressure is the same: get replacement equipment

Why Change Orders Happen and How to Keep Them Off Your Project A change order rarely shows up out of nowhere. By the time one lands on your desk, the problem behind it has usually been sitting there for weeks: a measurement that wasn’t quite right, an equipment submittal nobody reviewed closely enough, or an

This guide explains why static pressure can change during an RTU retrofit, what to review before startup, and how better planning can help reduce airflow-related surprises.

How Better Planning Leads to Faster Installations and Fewer Surprises Every rooftop unit (RTU) replacement comes with pressure. Schedules are tight. Equipment lead times are unpredictable. Crane availability is limited. A single missed measurement or overlooked detail can delay an installation and increase project costs. At Curbco, we’ve spent more than 45 years helping contractors,

Help Us Get It Right So Your Project Stays on Schedule Every commercial HVAC retrofit is different. Different manufacturers. Different roof curbs. Different airflow layouts. Different building conditions. That’s why designing a custom curb adapter starts with one thing: accurate project information. The more complete the information you provide, the more efficiently our engineering team

How Better Planning Helps Contractors Deliver Smoother RTU Replacement Projects Commercial rooftop HVAC retrofit projects rarely fail because of a single major issue. More often, it’s a series of small oversights that create bigger problems once installation begins. A missing measurement, an overlooked airflow transition, or a last-minute equipment change can quickly turn a straightforward

Roof Curb vs. Curb Adapter: What’s the Difference? Understanding which solution is right for your rooftop HVAC project If you’re planning a commercial rooftop HVAC project, you’ve probably run into this question: do I need a roof curb or a curb adapter? It’s one of the most common questions we hear from contractors, distributors, and