Skip to content

Quest 225 Dehumidifier – 208/230V, 225 Pints/Day High-Efficiency Moisture Control for Grow Environments

by Quest
Save $109.00
Original Price $3,508.95
Current Price $3,399.95

Notify me when back in stock

Commercial-grade 225-pint dehumidifier with energy-saving M-CoRR technology and advanced air filtration

The Quest 225 Dehumidifier (208/230V) is a compact yet powerful solution engineered for mid-size commercial grow rooms, greenhouses, and environmental control spaces. With a high-performance capacity of 225 pints per day and 7.6 pints per kWh efficiency, this model is designed to deliver consistent, reliable moisture removal with minimal operating costs.

This next-generation unit features M-CoRR Technology, Quest’s patented multi-coil refrigeration system that recycles heat for greater efficiency while reducing A/C load. Combined with MERV-13 filtration, it captures more airborne particles than traditional filters—making your air cleaner while keeping your environment more stable.

Achieve dependable, high-efficiency performance with the Quest 225 High-Efficiency Dehumidifier, built for professionals who need smarter humidity control in demanding environments.

Whether installed overhead, ducted, or freestanding, the Quest 225 Commercial Dehumidifier adapts to your setup and helps protect your grow from mold, mildew, and costly environmental imbalances.



Key Features 

  • Removes 225 pints per day — ideal for mid-sized commercial grow setups

  • Energy-efficient M-CoRR design: 7.6 pints per kWh performance

  • Reduces A/C load by recycling heat output

  • Wide voltage range: 208–230V, 60 Hz for installation flexibility

  • Low amperage draw (5.5A) to conserve electrical capacity

  • MERV-13 filtration: 20% more effective than MERV-11 at blocking particulates

  • Integrated suspension points for flexible overhead or ducted setups

  • Meets California Title 24 for ducted install compliance

  • Compact footprint with quiet operation

  • Engineered and assembled in the USA

  • Backed by a 5-Year Warranty


Quest 225 Commercial Dehumidifier: Efficient Moisture Control for Controlled Grow Rooms

The Quest 225 Commercial Dehumidifier offers unmatched energy savings and filtration without sacrificing power. Engineered for environments where consistency is everything, it helps growers maintain the ideal relative humidity while cutting down on cooling costs. Its compact frame makes it suitable for overhead or integrated ducted applications in commercial or semi-commercial environments.


🌿 Ideal Applications

  • Indoor grow rooms and hydroponic setups

  • Climate-controlled commercial greenhouses

  • Drying rooms or post-harvest environments

  • Horticultural labs and breeding facilities

  • Environments requiring low BTU output with high performance

  • Spaces using 208V or 230V electrical systems


Quest 225 High-Efficiency Dehumidifier: Better Filtration, Smarter Energy Use

Unlike other dehumidifiers that sacrifice airflow for air quality, the Quest 225 High-Efficiency Dehumidifier delivers premium MERV-13 filtration while maintaining airflow strength and dehumidification power. Its multi-coil M-CoRR technology ensures internal heat is reused to lower BTU output — reducing strain on your HVAC system and saving money long-term.


🛠️ Maintenance Tips

  • Replace the MERV-13 air filter every 1–3 months to maintain airflow and filtration

  • Clean coils and inspect ductwork regularly for peak performance

  • Ensure drainage line is clear and properly sloped

  • Use with TrolMaster or similar external controller for automated humidity regulation

  • Mount securely if installed overhead — check brackets and suspension points periodically


🔒 Take Control of Your Environment with the Quest 225 Dehumidifier

Designed for professionals, the Quest 225 delivers the perfect mix of power, compact design, and efficiency. Whether you're protecting plants or equipment, it provides peace of mind with energy savings and clean, stable air—day in and day out.

Installation Options 

Freestanding dehumidifier

Can be mounted overhead with use of 3/8″ Threaded Rod

P-Trap Requirements


Specifications
  • Moisture Removal: 225 Pints/Day @ 80°F, 60% RH

  • Energy Efficiency: 7.6 Pints/kWh

  • Voltage: 208–230V, 60 Hz

  • Amperage: 5.5 Amps (Rated 5.3A @ 230V)

  • Wattage: 1,150 Watts

  • BTU Output: 14,155 BTU/hr

  • Dimensions (Unboxed): 26.8" L x 23.6" W x 20.9" H

  • Shipping Dimensions: 36.0" L x 28.0" W x 30.0" H

  • Weight (Unit): 130 lbs

  • Shipping Weight: 152 lbs

  • Filtration: MERV-13

  • Certifications: ETL Listed, Title 24 Compliant

  • UPC: 810017961573

  • Product Code: 4046100


User Manual

Quest 225 Dehumidifier – 208/230V, 225 Pints/Day High-Efficiency Moisture Control for Grow Environments Spec Sheet 

Quest 225 Dehumidifier – 208/230V, 225 Pints/Day High-Efficiency Moisture Control for Grow Environments Indoor Farming Brochure 

Quest 225 Dehumidifier – 208/230V, 225 Pints/Day High-Efficiency Moisture Control for Grow Environments Refrigeration Brochure 

Quest 225 Dehumidifier – 208/230V, 225 Pints/Day High-Efficiency Moisture Control for Grow Environments User Manual 

Quest 225 Dehumidifier – 208/230V, 225 Pints/Day High-Efficiency Moisture Control for Grow Environments Quick Start Guide 


FAQ

Q: What is the M-CoRR technology used in this unit?
A: It’s a patented multi-coil refrigeration system that recycles internal heat to reduce BTU output while improving energy efficiency.

Q: How efficient is the Quest 225 compared to others in its class?
A: It delivers 7.6 pints per kWh, making it one of the most efficient 225-pint dehumidifiers available today.

Q: What kind of filter does it use?
A: The unit features a MERV-13 filter, which is 20% more effective than typical MERV-11 filters.

Q: Can this be ducted or mounted overhead?
A: Yes. The Quest 225 is designed with integrated lift and hang points and can be ducted or installed overhead for space savings.

Q: Does it meet California energy standards?
A: Yes, the unit is Title 24 compliant for ducted installation.

Q: What kind of warranty does it include?
A: The compressor and coils are covered for 5 years; parts and labor are covered for 1 year.


Videos


Warranty
  • 5 Years – Compressor & Coils

  • 1 Year – Parts & Labor

  • Backed by Quest's trusted U.S.-based technical support team

Commercial-grade 225-pint dehumidifier with energy-saving M-CoRR technology and advanced air filtration

The Quest 225 Dehumidifier (208/230V) is a compact yet powerful solution engineered for mid-size commercial grow rooms, greenhouses, and environmental control spaces. With a high-performance capacity of 225 pints per day and 7.6 pints per kWh efficiency, this model is designed to deliver consistent, reliable moisture removal with minimal operating costs.

This next-generation unit features M-CoRR Technology, Quest’s patented multi-coil refrigeration system that recycles heat for greater efficiency while reducing A/C load. Combined with MERV-13 filtration, it captures more airborne particles than traditional filters—making your air cleaner while keeping your environment more stable.

Achieve dependable, high-efficiency performance with the Quest 225 High-Efficiency Dehumidifier, built for professionals who need smarter humidity control in demanding environments.

Whether installed overhead, ducted, or freestanding, the Quest 225 Commercial Dehumidifier adapts to your setup and helps protect your grow from mold, mildew, and costly environmental imbalances.



Key Features 

  • Removes 225 pints per day — ideal for mid-sized commercial grow setups

  • Energy-efficient M-CoRR design: 7.6 pints per kWh performance

  • Reduces A/C load by recycling heat output

  • Wide voltage range: 208–230V, 60 Hz for installation flexibility

  • Low amperage draw (5.5A) to conserve electrical capacity

  • MERV-13 filtration: 20% more effective than MERV-11 at blocking particulates

  • Integrated suspension points for flexible overhead or ducted setups

  • Meets California Title 24 for ducted install compliance

  • Compact footprint with quiet operation

  • Engineered and assembled in the USA

  • Backed by a 5-Year Warranty


Quest 225 Commercial Dehumidifier: Efficient Moisture Control for Controlled Grow Rooms

The Quest 225 Commercial Dehumidifier offers unmatched energy savings and filtration without sacrificing power. Engineered for environments where consistency is everything, it helps growers maintain the ideal relative humidity while cutting down on cooling costs. Its compact frame makes it suitable for overhead or integrated ducted applications in commercial or semi-commercial environments.


🌿 Ideal Applications

  • Indoor grow rooms and hydroponic setups

  • Climate-controlled commercial greenhouses

  • Drying rooms or post-harvest environments

  • Horticultural labs and breeding facilities

  • Environments requiring low BTU output with high performance

  • Spaces using 208V or 230V electrical systems


Quest 225 High-Efficiency Dehumidifier: Better Filtration, Smarter Energy Use

Unlike other dehumidifiers that sacrifice airflow for air quality, the Quest 225 High-Efficiency Dehumidifier delivers premium MERV-13 filtration while maintaining airflow strength and dehumidification power. Its multi-coil M-CoRR technology ensures internal heat is reused to lower BTU output — reducing strain on your HVAC system and saving money long-term.


🛠️ Maintenance Tips

  • Replace the MERV-13 air filter every 1–3 months to maintain airflow and filtration

  • Clean coils and inspect ductwork regularly for peak performance

  • Ensure drainage line is clear and properly sloped

  • Use with TrolMaster or similar external controller for automated humidity regulation

  • Mount securely if installed overhead — check brackets and suspension points periodically


🔒 Take Control of Your Environment with the Quest 225 Dehumidifier

Designed for professionals, the Quest 225 delivers the perfect mix of power, compact design, and efficiency. Whether you're protecting plants or equipment, it provides peace of mind with energy savings and clean, stable air—day in and day out.

Installation Options 

Freestanding dehumidifier

Can be mounted overhead with use of 3/8″ Threaded Rod

P-Trap Requirements


  • Moisture Removal: 225 Pints/Day @ 80°F, 60% RH

  • Energy Efficiency: 7.6 Pints/kWh

  • Voltage: 208–230V, 60 Hz

  • Amperage: 5.5 Amps (Rated 5.3A @ 230V)

  • Wattage: 1,150 Watts

  • BTU Output: 14,155 BTU/hr

  • Dimensions (Unboxed): 26.8" L x 23.6" W x 20.9" H

  • Shipping Dimensions: 36.0" L x 28.0" W x 30.0" H

  • Weight (Unit): 130 lbs

  • Shipping Weight: 152 lbs

  • Filtration: MERV-13

  • Certifications: ETL Listed, Title 24 Compliant

  • UPC: 810017961573

  • Product Code: 4046100


Q: What is the M-CoRR technology used in this unit?
A: It’s a patented multi-coil refrigeration system that recycles internal heat to reduce BTU output while improving energy efficiency.

Q: How efficient is the Quest 225 compared to others in its class?
A: It delivers 7.6 pints per kWh, making it one of the most efficient 225-pint dehumidifiers available today.

Q: What kind of filter does it use?
A: The unit features a MERV-13 filter, which is 20% more effective than typical MERV-11 filters.

Q: Can this be ducted or mounted overhead?
A: Yes. The Quest 225 is designed with integrated lift and hang points and can be ducted or installed overhead for space savings.

Q: Does it meet California energy standards?
A: Yes, the unit is Title 24 compliant for ducted installation.

Q: What kind of warranty does it include?
A: The compressor and coils are covered for 5 years; parts and labor are covered for 1 year.



  • 5 Years – Compressor & Coils

  • 1 Year – Parts & Labor

  • Backed by Quest's trusted U.S.-based technical support team

We get it. You've got a lot of choices when it come to online retailers. Here's why we think you should shop with us at Garden GrowShop.

  • Free Shipping USA wide. No extra charges ever.
  • Price Match Guarantee. Best prices online guarenteed.
  • 30 Day Easy Returns. Not happy with your product, we'll take it back no questions asked.
  • Great service. We pride ourselves on the best service, anywhere. 

Shipping is FREE on all orders to customers within USA.

We don't want to mess around with fine print and extra charges, we like things to be simple and easy. 

As soon as you place your order you will receive an order confirmation e-mail.  This means that we have received your order in our system and pre-authorized your credit card for the purchase.  

We will send you shipping confirmation within 24 hours of your order leaving the warehouse to the e-mail address you provided when checking out.  

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)

Commercial-grade 225-pint dehumidifier with energy-saving M-CoRR technology and advanced air filtration

The Quest 225 Dehumidifier (208/230V) is a compact yet powerful solution engineered for mid-size commercial grow rooms, greenhouses, and environmental control spaces. With a high-performance capacity of 225 pints per day and 7.6 pints per kWh efficiency, this model is designed to deliver consistent, reliable moisture removal with minimal operating costs.

This next-generation unit features M-CoRR Technology, Quest’s patented multi-coil refrigeration system that recycles heat for greater efficiency while reducing A/C load. Combined with MERV-13 filtration, it captures more airborne particles than traditional filters—making your air cleaner while keeping your environment more stable.

Achieve dependable, high-efficiency performance with the Quest 225 High-Efficiency Dehumidifier, built for professionals who need smarter humidity control in demanding environments.

Whether installed overhead, ducted, or freestanding, the Quest 225 Commercial Dehumidifier adapts to your setup and helps protect your grow from mold, mildew, and costly environmental imbalances.



Key Features 

  • Removes 225 pints per day — ideal for mid-sized commercial grow setups

  • Energy-efficient M-CoRR design: 7.6 pints per kWh performance

  • Reduces A/C load by recycling heat output

  • Wide voltage range: 208–230V, 60 Hz for installation flexibility

  • Low amperage draw (5.5A) to conserve electrical capacity

  • MERV-13 filtration: 20% more effective than MERV-11 at blocking particulates

  • Integrated suspension points for flexible overhead or ducted setups

  • Meets California Title 24 for ducted install compliance

  • Compact footprint with quiet operation

  • Engineered and assembled in the USA

  • Backed by a 5-Year Warranty


Quest 225 Commercial Dehumidifier: Efficient Moisture Control for Controlled Grow Rooms

The Quest 225 Commercial Dehumidifier offers unmatched energy savings and filtration without sacrificing power. Engineered for environments where consistency is everything, it helps growers maintain the ideal relative humidity while cutting down on cooling costs. Its compact frame makes it suitable for overhead or integrated ducted applications in commercial or semi-commercial environments.


🌿 Ideal Applications

  • Indoor grow rooms and hydroponic setups

  • Climate-controlled commercial greenhouses

  • Drying rooms or post-harvest environments

  • Horticultural labs and breeding facilities

  • Environments requiring low BTU output with high performance

  • Spaces using 208V or 230V electrical systems


Quest 225 High-Efficiency Dehumidifier: Better Filtration, Smarter Energy Use

Unlike other dehumidifiers that sacrifice airflow for air quality, the Quest 225 High-Efficiency Dehumidifier delivers premium MERV-13 filtration while maintaining airflow strength and dehumidification power. Its multi-coil M-CoRR technology ensures internal heat is reused to lower BTU output — reducing strain on your HVAC system and saving money long-term.


🛠️ Maintenance Tips

  • Replace the MERV-13 air filter every 1–3 months to maintain airflow and filtration

  • Clean coils and inspect ductwork regularly for peak performance

  • Ensure drainage line is clear and properly sloped

  • Use with TrolMaster or similar external controller for automated humidity regulation

  • Mount securely if installed overhead — check brackets and suspension points periodically


🔒 Take Control of Your Environment with the Quest 225 Dehumidifier

Designed for professionals, the Quest 225 delivers the perfect mix of power, compact design, and efficiency. Whether you're protecting plants or equipment, it provides peace of mind with energy savings and clean, stable air—day in and day out.

Installation Options 

Freestanding dehumidifier

Can be mounted overhead with use of 3/8″ Threaded Rod

P-Trap Requirements


  • Moisture Removal: 225 Pints/Day @ 80°F, 60% RH

  • Energy Efficiency: 7.6 Pints/kWh

  • Voltage: 208–230V, 60 Hz

  • Amperage: 5.5 Amps (Rated 5.3A @ 230V)

  • Wattage: 1,150 Watts

  • BTU Output: 14,155 BTU/hr

  • Dimensions (Unboxed): 26.8" L x 23.6" W x 20.9" H

  • Shipping Dimensions: 36.0" L x 28.0" W x 30.0" H

  • Weight (Unit): 130 lbs

  • Shipping Weight: 152 lbs

  • Filtration: MERV-13

  • Certifications: ETL Listed, Title 24 Compliant

  • UPC: 810017961573

  • Product Code: 4046100


Q: What is the M-CoRR technology used in this unit?
A: It’s a patented multi-coil refrigeration system that recycles internal heat to reduce BTU output while improving energy efficiency.

Q: How efficient is the Quest 225 compared to others in its class?
A: It delivers 7.6 pints per kWh, making it one of the most efficient 225-pint dehumidifiers available today.

Q: What kind of filter does it use?
A: The unit features a MERV-13 filter, which is 20% more effective than typical MERV-11 filters.

Q: Can this be ducted or mounted overhead?
A: Yes. The Quest 225 is designed with integrated lift and hang points and can be ducted or installed overhead for space savings.

Q: Does it meet California energy standards?
A: Yes, the unit is Title 24 compliant for ducted installation.

Q: What kind of warranty does it include?
A: The compressor and coils are covered for 5 years; parts and labor are covered for 1 year.



  • 5 Years – Compressor & Coils

  • 1 Year – Parts & Labor

  • Backed by Quest's trusted U.S.-based technical support team

We get it. You've got a lot of choices when it come to online retailers. Here's why we think you should shop with us at Garden GrowShop.

  • Free Shipping USA wide. No extra charges ever.
  • Price Match Guarantee. Best prices online guarenteed.
  • 30 Day Easy Returns. Not happy with your product, we'll take it back no questions asked.
  • Great service. We pride ourselves on the best service, anywhere. 

Shipping is FREE on all orders to customers within USA.

We don't want to mess around with fine print and extra charges, we like things to be simple and easy. 

As soon as you place your order you will receive an order confirmation e-mail.  This means that we have received your order in our system and pre-authorized your credit card for the purchase.  

We will send you shipping confirmation within 24 hours of your order leaving the warehouse to the e-mail address you provided when checking out.