Reheat

Reheat Services in Gresham, OR

Why Invest in Grow Room HVAC Systems?

Different Cannabis Growth Stages Require Different Climates

Cannabis plants need dynamic climate control throughout their growth stages rather than a static environment. Adjusting humidity and temperature at each stage promotes healthy development and better yields.

Stage	Relative Humidity (%)	Temperature (°F)
Seedling Stage	65-70%	68-77°F (lights on) / 59-68°F (lights off)
Vegetative Stage	40-70% (decrease 5% weekly)	71-82°F (lights on) / 64-75°F (lights off)
Early Flowering Stage	40-50% (avoid exceeding 60%)	68-79°F (lights on) / 59-70°F (lights off)
Late Flowering Stage	35-50%	64-75°F (lights on) / 60-68°F (lights off)
Post-Harvest Stage	45-60%	60-72°F

Improper Humidity and Temperature Can Cause Serious Problems

Maintaining the correct temperature and humidity is vital for cannabis cultivation. Imbalances can lead to issues like:

Root Rot: Brown, mushy roots and plant wilting due to prolonged high humidity at the base.
Powdery Mildew: White, powdery fungus caused by high humidity levels.
Bud Rot (Botrytis): A fungal issue that can destroy entire crops, triggered by excessive humidity, particularly during flowering.

By regulating these factors, growers can shield their plants from common problems like root rot, powdery mildew, and bud rot. Investing in a reliable HVAC system helps maintain optimal conditions, protecting plants and boosting yields.

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Understanding Reheat Coils

A reheat coil in HVAC systems reheats already-cooled air, which is especially important in multi-zone buildings requiring varied temperatures across different zones. The system's temperature sensors detect changes and activate the reheat coil to adjust air temperature as needed. While cooling and reheating air might seem inefficient, it provides precise temperature control and can improve energy efficiency in specific scenarios.

Types of Reheat Coils:

Hydronic Reheat Coil: Uses water to distribute heat evenly, ideal for maintaining stable temperatures in grow rooms.
Electric Reheat Coil: Provides quick response and is environmentally friendly, making it suitable for fast temperature adjustments in cannabis cultivation.
Steam Reheat Coil: Offers reliable heating using steam, ensuring temperature stability for sensitive strains.
Gas Reheat Coil: A robust solution using natural gas, ideal for large-scale grow operations requiring significant heating power.

Applications of Reheat Coils in Cannabis Cultivation

Dehumidification: Reduces humidity after cooling to prevent mold and mildew, enhancing plant health and resin production.
Cold Air Distribution: Fine-tunes cooled air to prevent plant shock, ensuring consistent growth during flowering.
Temperature Zoning: Creates microclimates to accommodate different strain needs, maximizing growth potential.
Improving Comfort: Maintains a stable environment for both plants and workers, reducing stress and enhancing productivity.

Choosing the Right Reheat Coil

Before integrating a reheat coil, consider these factors:

System Requirements: Ensure compatibility with your existing HVAC system. Consult with a professional for proper sizing.
Material and Durability: Choose between copper (high conductivity, prone to corrosion) or stainless steel (durable, more expensive).
Energy Efficiency: Opt for high-efficiency models to save on energy costs over time.
Size and Installation: Make sure the coil is properly sized for your space. Improper sizing can lead to airflow issues and plant stress.
Maintenance and Cleaning: Select coils that are easy to clean and maintain to ensure ongoing optimal performance and plant health.