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How to Choose the Right Greenhouse Air Conditioning System

For any greenhouse to be successful, maintaining the appropriate temperature and humidity is crucial. Therefore, its air conditioning system is a crucial component. In this article, we will examine the essential factors to consider when selecting the right greenhouse air conditioning system, including cost, efficiency, and size.

Determine The Size Of Your Greenhouse

Selecting the appropriate air conditioning system for your greenhouse depends on its size. For larger greenhouses, a more robust system is necessary to regulate the temperature and humidity levels consistently. It is crucial to choose the right system to ensure optimal growing conditions for your plants.

To determine the appropriate size of your air conditioning system, measure the square footage of your greenhouse. Additionally, consider any future expansion plans you may have for your greenhouse as this will also impact the system size.

Determine The Internal Load Of The Greenhouse

In addition to considering the size of the greenhouse, the load inside the greenhouse is also an essential factor to consider when choosing a greenhouse air conditioning system.

What is the limitation of the greenhouse? For example,

  • How many kinds of plant lights are there?
  • How much heat is there in plant light products?
  • How many plants to grow indoors?
  • How much water do you boil every day? (The calculation method of watering amount = watering amount/number of plants x number of plants.)
  • What are the target temperature and humidity?

Consider The Climate In Your Area

Five steps let you have excellent grow room climate control.

Temperature Control

Each stage of plant growth requires a different temperature. A simple window AC unit is sufficient for hobbyists or growers raising a few plants. Unfortunately, though, they could be more efficient. A team with the capacity required for late flower loads with enough turn down to handle a grow in the earliest stages of veg is excellent for commercial cultivation. Meanwhile, the influence of ambient temperature on air conditioning work must be addressed.

Keeping Air Moving

Keeping air moving in our grow room serves two purposes: First, It helps with mold prevention, and second, it helps build stronger stems and branches on your plants. If you're unfamiliar with transpiration, think of it this: Your plants soak up water at the roots, and the water moves through them. That water doesn't disappear, evaporating through tiny pores in the leaves.

The circular movement inside the grow room breaks up the boundary layer of air that, otherwise, would hang around your leaves, keeping them too moist and vulnerable to mold and fungus.

Think about Controlling Humidity

Overall, Humidity control is one thing people miss, but it is one of the most significant challenges of modern commercial agriculture. Lots of people think of it as mold control, but another good reason to have a handle on your humidity is to influence your plants' transpiration rates.

Control Your CO2 Levels

CO2, or carbon dioxide, is the one nutrient that could be included under the umbrella topic of climate control. If a grower uses high-powered lights and the plants get sufficient water and nutrients, they can use more CO2 than the environment can naturally provide. This is why it's essential to think through your whole growth process. If CO2 is a limiting factor, consider building it into your climate control system.

Light Setup

Growers should pay attention to light when they think about plant health and indoor growth, but one element can get missed: Most lights add lots of heat to the room so you can include that consideration as part of your climate control. For example, metal-halide and HPS (or high-pressure sodium) lighting systems can add a lot of heat and elevate your room beyond the 20-degree. But, of course, lighting dovetails with temperature control, and you'll have to think everything through.

A climate control plan is necessary to expand or build a new facility. How many plants per room, water per plant per day, power, number and time of plant lamps, cooling, dehumidification capacity, Co2 Level and fresh air, etc.

Choose the Correct Type of Greenhouse Air Conditioning System

The environment and specific needs of our region need to be considered when choosing the right air conditioning system for our greenhouse. There are three most common styles, including evaporative cooling, air cooling, and water cooling systems.

1. Evaporative cooling systems are ideal for hot, dry climates.

2. The air cooling system is more suitable for medium temperature.

3. The water cooling system is the most efficient, but requires continuous water supply.

Consider Additional Features - Humidity Control

In addition to energy efficiency, it's essential to consider additional features when choosing a greenhouse air conditioning system.

One important feature to consider is humidity control. High humidity levels should lead to mold and mildew growth, damaging your plants and reducing their yield. Look for systems with built-in dehumidifiers or humidifiers to help maintain optimal humidity levels in your greenhouse.

Additionally, consider strategies with programmable thermostats, which allow you to set specific temperature and humidity levels for different times of the day or night.

Why Does a Single Dehumidifier Not Save Electricity?

For typical growing spaces, using a dehumidifier to control humidity separately from temperature is necessary. However, a single dehumidifier generates a lot of heat simultaneously, causing a significant cooling demand in the greenhouse. This means that a larger-capacity air conditioner must be used to counteract the heat generated by the dehumidifier. As a result, energy will be wasted, and no electricity will be saved.

Does a Greenhouse Air Conditioning System Control the Temperature and Humidity?

One greenhouse air conditioner can control the temperature and humidity of multiple rooms, and one room can also use different greenhouse air conditioners as needed.

We usually choose greenhouse air conditioners to control the temperature and humidity of a space for easy management. Independent control and different temperature and humidity target requirements can be formed between rooms.

However, if the desired temperature and humidity levels of both spaces are identical, the air conditioning system can manage both areas by creating an open space and installing an air duct between them.

If your greenhouse space and budget permit, we recommend opting for a dual-compressor air conditioner. This way, if one compressor becomes damaged, the other can continue to function without impacting your usage.

Look For Energy-Efficient Options

Don't forget the energy efficiency when choosing a greenhouse air conditioning system. Look for systems with a high SEER (Seasonal Energy Efficiency Ratio) rating, which measures the system's cooling output compared to the energy it uses. A higher SEER rating means the system is more energy-efficient and will save you money on energy bills in the long run.

Additionally, consider using renewable energy sources, such as solar power, to further reduce your greenhouse's carbon footprint.

From the point of view of dehumidification, unitary grow room hvac saves more power than general central air conditioners. They are all refrigeration products, but their focus is different. Although grow room hvac can adjust temperature and dehumidify, it uses dehumidification as its most important function. Therefore, the most significant difference between a unitary hvac system and an air conditioner is the ability to cool, dehumidify, and heat freely throughout the year.

Unitary grow room hvac can be accurate in the moisture and temperature of the greenhouse and grow room because it can automatically switch between cooling and dehumidification, heating and dehumidification according to the set target humidity and temperature, and there will be no conflict between the dehumidifier and the air conditioner for temperature control, so although the initial investment Slightly higher, long-term operation, energy is saved.

Unitary HVAC Systems For Greenhouse And Grow Rooms

Unitary air conditioners are a popular solution for air conditioning in greenhouses. Unitary air conditioners are another name for an HVAC unit that works by circulating air using EC fans and ducts. It draws in warm air from the outside environment through air intake. Then, it spreads over an internal refrigerant-filled cold coil, rapidly cooling the air before sending it back into the greenhouse. This creates a stable climate control system within the greenhouse, allowing you to control temperature and humidity levels despite any changes in outdoor weather conditions. Greenhouse air conditioners do more than extraordinary the air.

With Altaqua's Unitary HVAC system, you can maintain your plants' ideal temperature and humidity levels while still maximizing your growing space. Our products are designed to provide total climate control in your greenhouse, ensuring your plants thrive in the ideal environment. Greenhouse air conditioning is critical to maintaining optimal growing conditions for crops.

Altaqua offers a range of reliable and efficient Unitary air conditioners that can be customized to the specific needs of your greenhouse. With commercial units handling 6 to 65 tons, Altaqua can help ensure your crops are healthy and produce high-quality yields. By increasing efficiency and cutting costs, Altaqua's air conditioning solutions are an intelligent investment for any greenhouse operation. Altaqua provides greenhouse air conditioning systems designed to help growers around the world produce quality crops.

Our company has been focusing on the refrigeration industry for 15 years. Our strategic goal is to create the highest quality unitary air-conditioning units. The greenhouse air conditioning system has passed the North American ETL certification test by Intertek. If you want to improve the quality and yield of your greenhouse cannabis, don't hesitate to contact us.

FAQ

1.What is the importance of controlling humidity in a greenhouse?

Controlling humidity in a greenhouse is crucial for plant health and disease prevention. High humidity levels can create a favorable environment for mold, mildew, and fungal diseases. Low humidity levels can cause plants to dry out and lead to stunted growth. Maintaining optimal humidity levels helps plants thrive and reduces the risk of plant diseases.

2.How do I choose the correct type of greenhouse air conditioning system?

When selecting a greenhouse air conditioning system, consider factors such as the size and layout of your greenhouse, the local climate, and your specific needs. Options include evaporative coolers, fans, ventilation systems, or HVAC systems. Evaluate the cooling capacity, energy efficiency, and compatibility with your greenhouse structure to choose the system that best suits your requirements and budget.

3.How to choose an energy-efficient greenhouse cooling system?

When selecting an energy-efficient greenhouse cooling system, you can consider several factors. Choose equipment with high energy efficiency ratings, strike a balance between energy consumption and benefits, select an appropriate capacity to avoid overworking the system, and ensure that the system is equipped with energy-saving features such as timers or smart controls. Additionally, conducting regular maintenance and cleaning of the equipment to ensure proper operation can also contribute to energy savings and improved efficiency.

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