Blog

Condensation on ductwork, wet walls, and a hygrometer that climbs after lights-out are not minor grow room issues. They are signs that the room is producing more moisture than its ventilation and drying equipment can remove. Knowing how to reduce grow room humidity starts with treating moisture as an engineering load, not simply turning up a fan. For cannabis, hemp, flowers, and other specialty crops, high relative humidity can slow transpiration, trigger condensation, and create favor …

A greenhouse can gain heat faster than most operators expect. On a clear day, solar load, lighting, equipment, plant transpiration, and restricted air intake can push temperatures beyond a crop’s acceptable range in minutes. This greenhouse exhaust system guide explains how to design a system around actual airflow, heat load, structure layout, and controls rather than selecting fans by greenhouse square footage alone. An exhaust fan is not just a piece of equipment mounted in an end wall. …

A hot second-floor bedroom, blistering roof deck, and attic insulation that feels like it is radiating heat are common signs of an attic ventilation problem. Searches for “what size attic fan needed” usually lead to a simple CFM number, but fan selection is not that simple. The right attic fan must match the attic floor area, available intake ventilation, roof configuration, climate, and whether the home already uses a whole house fan. An oversized power attic ventilator without enou …

A rooftop exhaust fan has one job: remove heat and contaminated air reliably when the building needs it most. That is why an Edmonds ecoPOWER hybrid fan review should not be limited to solar panels or nameplate efficiency. The real question is whether the fan will maintain the required air changes, operate through changing weather conditions, and fit the building's roof, controls, and make-up air strategy. The Edmonds ecoPOWER Hybrid is built for projects where conventional powered roo …

A rooftop exhaust fan that runs only when utility power is available can leave money on the table. Hybrid Energy Savings Ventilation - Talk with an Expert is the right starting point when your facility needs dependable heat removal, lower electrical demand, and a ventilation design that still performs when operating conditions change. Hybrid ventilation is not simply a solar fan added to a roof. It is an engineered exhaust approach that combines solar energy with grid power, efficient …