Category: blog

Calculate the useful heat stored in greenhouse water barrels. Compare water temperature change with overnight heat loss before relying on thermal mass.

Greenhouse condensation forms when a crop or building surface falls below the air’s dew point. Control it by coordinating humidity removal, surface temperature, air movement, screens, ventilation, heating, drainage, and crop protection instead of chasing relative humidity alone.

Diagnose dry spots, scale and algae in greenhouse cooling pads. Check water distribution, bleed-off, cleaning limits and when damaged media needs replacement.

Greenhouse irrigation filters should be sized from emitter protection, measured source-water solids, peak operating flow, acceptable pressure loss, and the water and pressure available for cleaning. Nominal mesh and pipe diameter alone do not define a reliable filter station.

Nearly all electrical energy used by greenhouse grow lights becomes heat inside or near the greenhouse. Climate design must place radiant, convective, driver, and crop-transpiration effects into the hours and zones where the lighting schedule actually operates.

A greenhouse crop changeover should separate removal, cleaning, disinfection, repair, verification, and restart. Disinfectants cannot compensate for plant debris, biofilm, blocked drains, hidden pests, or equipment that was never opened and cleaned.

Greenhouse lifecycle cost combines installed capital with energy, water, labor, maintenance, crop-risk downtime, replacement cycles, financing, and residual value over a stated study period. A lower purchase price can be more expensive once scope and operating assumptions are normalized.

Commercial greenhouse foundations must transfer site-specific wind, snow, seismic, and equipment loads into verified soil. Choose the footing and anchor system only after geotechnical conditions, drainage, frost, corrosion, tolerances, and erection sequence are defined.

Greenhouse circulation fans should create a gentle, continuous air path through and above the crop without using a high-speed jet as a substitute for ventilation. Layout must follow bay geometry, canopy density, screens, obstructions, heat sources, and measured dead zones.

A greenhouse insect screen is an airflow component as well as a pest barrier. Select it from the target insect and verified opening size, then recalculate natural-vent area or fan pressure so exclusion does not create a summer heat problem.