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Shade Systems

Feb 09
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Greenhouse Retrofits: 4 key problems that can be solved by upgrading your existing commercial greenhouse structure

By Benches, Carts/Transport, Electrical, Greenhouse Structures, Heating, Irrigation, Shade Systems

As a commercial greenhouse grower, decisions often must be made regarding the choice between building new or retrofitting your existing greenhouse structure. Sometimes modernizing your current greenhouse design and layout is the more cost-efficient route. Below are some common issues and recommended solutions for production, cost savings, efficiency, and crop output that a greenhouse retrofit can accomplish.

Problem: The environment in your commercial greenhouse is not fully optimized for crop growth

Greenhouse Retrofit Solutions:

  • Add more ventilation. This can be a simple and budget friendly greenhouse retrofit that will breathe new life into your greenhouse. Rollup walls can be added depending on your greenhouse type, and can be controlled automatically or manually with a low cost motor. Sidewalls and gable ends can be retrofitted with vents. Adding this bit of extra ventilation in your growing environment provides fresh air, reduces the humidity and temperature and even lessens the risk of disease.
  • Greenhouse LED lighting may be a requirement for your operation. Greenhouse LED lights provided by Westland allow for customizing different spectrums, ensuring your greenhouse crops are in their ideal environment, regardless of which growth stage they are experiencing.

Problem: Significant costs are rising in energy consumption, water, fertilizer and other inputs

Greenhouse Retrofit Solutions:

  • Consider the installation of flood benches, which may reduce costs of water and fertilizer for years to come.
  • Greenhouse LED lighting deserves a second mention when it comes to energy savings. HPS lights are power hungry, while LED lights consume a fraction of electricity by comparison for the same or greater lumens.
  • If your energy costs are increasing (we know they’re not going down), then energy curtains are an excellent way to save on heating costs in the winter months (between 20-40%). They can also serve as shade in the summer to keep your greenhouse cool.
  • Inspect your vents for wear. Long term exposure from the sun, rain/snow, or wind can damage the seal on your ventilation windows. This may cause malformation on the rubber seal, and your vents will not be properly sealing. This can cause heat to escape from your greenhouse and increase your energy costs. Use EPDM rubber as it is more robust than the alternatives.

Problem: Your workforce in isn’t as efficient as it could be

Greenhouse Retrofit Solutions:

  • Reconfigure your benching layout and consider adding rolling benches. Many greenhouses have stationary benches packed so close together that there’s almost no space to walk between the plants. Rolling benches allow growers to require only one aisle in the whole space, and they can create an aisle anywhere they need to access. Among all the greenhouse retrofits you can make, this can greatly increase worker efficiency.
  • Introduce systems that automate repetitive tasks or make them easier. Automated basket systems, conveyor belts, rail carts (depending on your operation) will allow your workers to be more productive.
  • Ensure the air is moving in your greenhouse, not just for your crops. If the work environment is hot, then your team can be less productive. Adding fans or ensuring your natural ventilation is optimized will score you productivity gains.
  • Computer controls may need modernizing to ensure you’re automating everything you can. Control and monitor almost all aspects of your environment from your smartphone including lighting, vents, shades, heating, irrigation, and fertigation. Eliminate the need for workers to be spending time manually controlling various aspects of the greenhouse environment, and they can better spend their time on jobs that require a human touch.

Problem: Greenhouse production could use a boost

Greenhouse Retrofit Solutions:

  • If you want to increase the volume of plants in your commercial greenhouse space, flood floors may be a solution for you to get as many plants per square foot as possible.
  • Consider adding shading or supplemental lights to manipulate your crop’s flowering cycle. Depending on the plant, this is one way to get extra output, or even time your flowering based on seasonality for peak sales.
  • Rolling bench systems are worth a second mention when it comes to production gains. You can add up to 25% more growing space versus stationary benches/tables by switching to rolling benches.

For help with your next greenhouse retrofits, contact Westland Projects US Inc. today!

May 16
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5 Important Advantages of Energy Curtains in Your Commercial Greenhouse Operation

By Energy Savings Systems, Shade Systems

Greenhouse energy curtains are an important consideration in any commercial greenhouse operation, due to the ability to reduce energy costs year-round. Depending on the climate, you may be able to cut down your winter heating up to 50% or even greater. Energy curtains can also be used in the summer months to cut down on electricity costs of constantly running your fans, and creating a more consistent greenhouse climate both day and night.

  1. Keeping humidity under control in your commercial greenhouse structure

Energy curtains, with the help of roof vents, can keep humidity balanced by both letting cool air in and simultaneously providing a barrier to prevent the crops from becoming exposed to too much cold air. If humidity levels are rising to an unacceptable level, you can open up the curtains slightly to reduce the humidity in your greenhouse.

  1. Energy curtains can function as shade in the summer months

A huge advantage of energy curtains is the ability to use them all year round. Depending on your crop’s light needs, you can use the curtains to adjust the light levels and temperature. The ability to provide shade with your greenhouse curtain system allows you to customize and maintain the ideal growing environment.

  1. Keeping your greenhouse crops healthy by providing a consistent growing environment without temperature fluctuations

Creating a stable greenhouse heating system’s efficiency and possibly increase maintenance costs. Temperature fluctuations also decrease plant health and can cause undue stress to your crops. To solve this, energy curtains can be programmed to open and close at the correct intervals in conjunction with environmental controls that measure indoor and outdoor temperature. This will greatly reduce any rapid temperature changes and keep the growing environment in your greenhouse structure consistent. 

  1. Government incentives and rebates on installing energy curtains in your commercial greenhouse

In North America and abroad, many government programs offer incentives for energy saving retrofits. These can apply on the municipal, state/province, or federal level. Learn what tax incentives and rebates apply to your region for upgrades that increase energy efficiency. Some of these programs can apply to the purchase and installation of greenhouse energy curtains; be sure to know what opportunities are out there.

  1. Rising energy costs are an inevitability

We all know that energy costs aren’t likely to drop, and in the current economic climate are likely to keep increasing. Now may be a more important time than ever to get your energy overhead under control. The investment in an energy curtain system may result in a quick payback depending on your energy costs. Energy curtains are not the only way to reduce your overhead costs – also consider blackout, shade systems, and greenhouse structure options.

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