Water-Cooled Indoor Cultivation HVAC Equipment
Stable, Energy-efficient, Precise Climate Control Solution
Built for Commercial Grow Operations
Get a QuoteChallenges and Solutions
Many commercial cannabis growers have encountered the following issues after expanding their production:
“It is difficult to maintain temperature and humidity at set levels, especially when plants are transpiring heavily and equipment is running for extended periods. The environment often deviates from target values, affecting yield and quality.”
Additionally, growers face:
Altaqua Water-Cooled HVAC system is specifically designed to address these pain points:
- Maintains precise temperature and humidity with fast response and minimal deviation.
- Stays stable under high transpiration, even during peak load with lights on.
- Smart integrated control for real-time monitoring, automatic regulation, and timely alerts.
- Boosts yield and reduces risk by ensuring a stable, controllable growing environment.
REASON #1
Integrated Temperature & Humidity Control
Altaqua's HVAC system integrates temperature and humidity control functions into a single system, eliminating the mismatches and management complexities associated with multiple devices. Growers can set target temperature and humidity levels simultaneously through a single control interface, significantly simplifying operational workflows and reducing compatibility issues between systems, thereby achieving a truly integrated environmental control solution.
REASON #2
Precise Dew Point Control
Unlike traditional systems that rely solely on relative humidity regulation, Altaqua employs dew point control logic to directly reflect the actual moisture content in the air. This approach enables more accurate monitoring of moisture changes, particularly suited for cannabis cultivation under high transpiration loads. It prevents excessive humidity or over-dehumidification, reduces mold risks, and ensures healthy plant growth.
REASON #3
Multiple Control Modes for Flexible Adaptation
The Altaqua system features multiple built-in operating modes, including “Dehumidification + Heating,” “Dehumidification + Temperature Control,” and “Dehumidification + Cooling.” The system intelligently determines the required operating mode based on user-set target temperature and humidity values, as well as real-time environmental data, automatically switching and smoothly adjusting settings. This enables precise environmental control without frequent manual intervention, ensuring the growing space remains in the most suitable climate conditions at all times.
REASON #4
High-Precision E+E Sensors
The system uses humidity and temperature sensors from the Austrian brand E+E, which can monitor the water vapor content in the air in real time, keeping the fluctuation range of the relative target value within ±2.5% RH, thereby achieving precise humidity regulation. E+E sensors also have excellent stability and reliability, maintaining measurement accuracy within ±0.5 °F during long-term operation. Even in environments with significant humidity fluctuations, these sensors ensure data accuracy and provide stable system performance.
REASON #5
User-Friendly PLC Control Interface
The system is equipped with a PLC controller from the globally renowned Siemens brand, featuring a clear and logically designed interface that offers an excellent user experience. Growers can view real-time operational status, historical data, and alarm information on the screen, and manually adjust parameters to suit different operational preferences and management requirements.
REASON #6
Supports WiFi Remote Control
The Altaqua system supports WiFi access to the cloud platform. Users can remotely log into the system backend via mobile phone or computer to view real-time device operating status, adjust parameters, or receive fault alerts. Whether on-site at the greenhouse or working remotely, managers can easily monitor environmental conditions and improve management efficiency.
REASON #7
Compatible with TrolMaster Control Systems
For growers with a complete planting control system, Altaqua devices are compatible with the mainstream TrolMaster control platform. Users can integrate air conditioning, lighting, CO₂ control, and other devices into a single control system, achieving true all-around intelligent environmental integration.
REASON #8
Selecting High-Quality Global Brand Components
From compressors, sensors to electrical control components, Altaqua selects components from top-tier international brands such as Siemens, Schneider, E+E, and Danfoss. This hardware configuration provides a solid performance foundation for the system, reduces failure rates, and ensures stable output even under high-intensity operation.
REASON #9
Strict Factory Testing Ensures Performance Reliability
We adhere to the manufacturing philosophy that “every unit is a prototype.” Every HVAC system undergoes comprehensive testing before shipment, including performance testing, leak detection, and control system integration, to ensure customers receive a truly reliable and dependable device.
REASON #10
Easy Maintenance & High Parts Interchangeability
Altaqua's system design prioritizes maintenance convenience, with key components arranged logically and ample access space for repairs. The components used are highly standardized and interchangeable, ensuring that replacement parts can be quickly obtained even years later, guaranteeing long-term reliability and hassle-free maintenance.
Competitive Advantages
Precise Temperature and Humidity Control to Meet Stringent Cultivation Requirements
Cannabis cultivation has extremely strict requirements for temperature and humidity, and any fluctuations can affect growth rhythms or induce diseases. Altaqua's water-cooled HVAC system uses high-precision control algorithms and sensors to achieve detailed management of environmental parameters. In actual operation, temperature and humidity fluctuations are minimal, ensuring that plants are always in optimal condition.
High Cooling Efficiency to Handle High Loads
In environments with numerous lights, dense plantings, and frequent air circulation, cooling loads significantly increase. Altaqua's water-cooled system uses liquid media for heat transfer, achieving much higher heat exchange efficiency. It can rapidly lower environmental temperatures in a short time, ensuring stable and continuous operation even under high-load conditions.
Energy-Saving and Power-Saving Hot Air Reheating Technology
The system features hot air reheating functionality, which recovers heat generated during dehumidification for use in return air heating, thereby avoiding issues of excessively low temperatures after dehumidification while reducing energy consumption for additional heating. This is particularly suitable for high-humidity environments where temperature should not drop too rapidly during flowering periods.
High Stability, Adaptable to Extreme Climate Conditions
Whether in the cold winters of northern regions or the hot and humid summers of southern regions, the system operates stably and reliably. Its water-cooled core structure has excellent thermal inertia, making it less susceptible to fluctuations in outdoor climate conditions and ensuring a consistently stable growing environment throughout the year. Adaptable to Various Extreme Environments
Quiet Operation, Suitable for Noise-Sensitive Environments
The water-cooled HVAC system uses water as a heat transfer medium, eliminating the need for powerful fans and high-speed compressors for cooling, significantly reducing mechanical noise during operation. Additionally, the water-cooled condenser does not require high-power fans to forcefully exhaust hot air during operation, resulting in extremely low noise levels throughout the cooling and dehumidification process.
Multi-System Redundancy Design Ensures Continuous Cultivation
In commercial cultivation facilities, HVAC system failures can cause significant losses. Therefore, multi-system redundancy design is a critical feature of commercial cultivation room HVAC systems. Redundancy design ensures that the backup system immediately takes over in the event of a main system failure, preventing environmental fluctuations caused by equipment downtime. This design significantly reduces potential losses from failures and ensures the continuous healthy growth of crops. Additionally, modular redundancy design simplifies system maintenance and upgrades, allowing for flexible adjustments during expansion or optimization without interrupting normal operations.
Application Scenarios
In modern cultivation and production environments, precise control of temperature, humidity, and air quality is essential for ensuring healthy plant growth and high yields. However, not all spaces are suitable for generic environmental control solutions. Different site conditions, climate characteristics, and cultivation requirements often necessitate more suitable indoor cultivation HVAC equipment to achieve stable operation. The Altaqua water-cooled HVAC system is specifically designed for commercial cultivation projects with stringent environmental requirements, and is particularly suitable for the following types of cultivation scenarios:
Precise Climate-Controlled Planting Environments
Facilities Prioritizing Energy Efficiency
Regions Facing Extreme Climates
Urban Cultivation Facilities with Noise Restrictions
Water-Cooled HVAC System
The water-cooled grow room HVAC system utilizes water as the heat exchange medium, which provides stable operation at both high and low temperatures, ensuring consistent temperature and humidity control. It is particularly suitable for large-scale grow farms and grow environments that require a high degree of environmental control.
Uses water as the heat exchange medium
Integrated HVACD System: Energy efficient, up to 14% more energy efficient than traditional split systems and 16% more energy efficient than VRF split systems.
No Need for Additional Dehumidifiers: Simplifies equipment configuration by handling sensible heat load and effectively removing moisture.
Simplified Control System: Integrated design reduces the number of devices to be controlled, making operation more convenient and precise.
Superior Stability: Stable even under extreme weather conditions such as high or low temperatures, providing the most consistent and reliable growing conditions for CEA environments.
Air Handling: 1350 to 17500 CFM
Refrigeration Capacity: 5.1 to 60.7 Tons
Moisture Removal: 3.0 to 34.7 Gallon/hr
Standard Functions
Effectively removes moisture while lowering temperature
Maintains target humidity and raises temperature when needed
Provides climate balancing to keep your grow room within ideal VPD range
Circulates air evenly to reduce microclimates and supports uniform growth
Optional Functions
Monitor, adjust and receive alerts from anywhere with 24/7 control
Automates CO₂ injection to maximize photosynthesis efficiency
Introduces fresh outside air when needed, preventing stale, high-humidity buildup
UV-C and MERV-8 filtration reduce mold spores, bacteria, and airborne threats
Customed HVAC System
In addition to standard HVAC systems, we offer customized HVACD systems for different commercial cannabis grow room projects upon request.
From 5 tons to 60 tons
50Hz/60Hz, 220V/380V/460V
R410a, R32, R454B, etc.
WiFi Remote Control, CO₂ Level Control, Air Sterilization and so on
Compressor Brand: Danfoss or Panasonic can be selected
Anti-Corrosion Treatment: evaporator, reheater, outdoor condenser can be nano-coated to enhance the anti-corrosion performance
Filter Rerformance Filter Rating: MERV-8 is standard, and can be upgraded to MERV-13 on demand
Duct Support: can assist in designing and purchasing ductwork on behalf of the customer
Sheetmetal Appearance: the shell color can be customized according to the customer's requirements
For more customized requirements, please feel free to contact our professional engineers, we will tailor the most suitable solution for you.
Find the Right Solution for You
Cannabis Flower Room Project in the United States
Model: GWS-07D
Total Cooling Capacity: 24.5 kW
Maximum Dehumidification Capacity: 15.3 L/hr | 32.3 Pint/hr | 4.0 Gallon/hr
Cannabis Flower Room Project in Switzerland
Model: GWS-25D
Total Cooling Capacity: 83.0 kW
Maximum Dehumidification Capacity: 51.2 L/hr | 108.0 Pint/hr | 13.5 Gallon/hr
Cannabis Project in Thailand
Model: GWS-43D
Total Cooling Capacity: 140.4 kW
Maximum Dehumidification Capacity: 86.4 L/hr | 182.3 Pint/hr | 22.8 Gallon/hr
Cannabis Flower Room Project in the United States
Model: GWS-65D
Total Cooling Capacity: 213.6 kW
Maximum Dehumidification Capacity: 131.6 L/hr | 277.7 Pint/hr | 34.7 Gallon/hr
For more customized requirements, please feel free to contact our professional engineers, we will tailor the most suitable solution for you.
Real Feedbacks from Partners
They say good things take time so huge thanks for your patience! We're excited to share that we have now commissioned the first of our new cultivation rooms and the new facility has been licensed.
The second flower room will come on line in the next few weeks to stagger harvests. These young ladies will be flipped to flower by the end of this week! They are looking very happy in their new environment!
Yes, I understand. You have a built-in dehumidifier with good performance. And you use quality components.
I have worked with your equipment on another farm and I am familiar with this system.
Premium cannabis HVAC, I can personally vouch will be buying many more 250kw systems in the future - Aussie cannabis growers.
We currently just hooked up the air handler and split condensers for Andy. Your guys product is very well built.
Just at this time Andy's job is pretty much the only style application we would be able to use your product on right now. We will always keep you in mind moving forward.
I've shown off my unit to several in the cannabis industry here and they have all been impressed. They all really like the unit.
Thanks again Caroline for all your help with getting my personal unit up and running. Your customer service and technical assistance from your engineers has really impressed me and is a big part of why I would like to help your product gain traction in the US.
Don’t get me wrong your machine is very well built and everyone is impressed with the quality. That is the reason I want to import for resell
I just wish to introduce you to my friend who is looking at fitting out his cultivation facility with HVAC.
I believe he may have already reached out to someone via your website but I wanted to put him in touch with yourself as you looked after us so well.
your team does amazing work ... keep it up and good luck at the show
They produce true quality systems, says an indoor grower of 20 years
Hi candy i make the install of the unit works good i need to make this week the test and show the clients
I make a order i think in 2 weeks
we purchase your product for grow rooms in Australia. amazing quality and service. amazing custom options and design ... build quality is amazing. Lori and Vicky have helped me so much, we love alto.
Can you make your unit under different name with CSA certificates and give me distribution rights for Canada
Some people may contact you , I showed your unit to some growers and they like it.
yes they work great, easy install and lots of customizable features.
We just received the GW10 today.
All is good arrived without damage, is already nice. We are to test the machine, and all the basic function seams working well.
Yes three weeks. So far your machine works very well
Industry leading components, installed with superior professionalism
We have an Altaqua! We love it.
We absolutely love your systems , such tidy gas work and A++ electrical work.
Professional Supports
In grow room environmental control, precise temperature and humidity management is critical. Choosing a suitable water-cooled Grow Room HVAC system not only impacts the stability of the growing environment but also directly affects energy consumption costs and crop yields. We understand that every cultivation project has unique requirements. Therefore, we provide not only comprehensive technical support for existing clients but also free system sizing proposals and professional consultation for all potential customers interested in our products, helping you identify the most compatible indoor cultivation hvac equipment.
If you are seeking a high-efficiency, reliable water-cooled Grow Room HVAC solution or have any questions about our products, please contact our team anytime. We offer free system recommendations, in-depth technical explanations, and tailored support to help you build the optimal environmental control system, ensuring your grow room maintains peak performance at all times.
Get Started With A Free Proposal
Let’s work together to design a climate control solution that fits your grow room needs and budget. Contact us now for a free, personalized proposal.