


Free Shipping
On All Orders

Lowest Price
Guaranteed or We’ll Match It

No Sales Tax
No Sales Tax—Except in Michigan

Easy Returns
Always hassle free

Call Us
(844) 873-5764
On All Orders
Guaranteed or We’ll Match It
No Sales Tax—Except in Michigan
Always hassle free
(844) 873-5764
Engineered for large-scale cultivation and facility management, the Quest 506 removes up to 500 pints of water per day with groundbreaking 9.2 pints/kWh efficiency. Powered by patented M-CoRR™ multi-coil technology, this unit delivers elite performance while freeing up amps on your panel. Flexible 208/230V voltage support, onboard digital controls, and a sustainable R-454B refrigerant make it the smartest, cleanest, and most efficient choice for heavy-duty moisture control.
⚙️ M-CoRR™ Coil System Patented multi-coil refrigeration reuses heat to boost efficiency and reduce output BTUs. |
🔌 208/230V Flex Voltage Supports flexible power setups while drawing fewer amps than competitors. |
🧪 MERV 13 Filtration Eliminates fine particulates, bacteria, and airborne contaminants from your environment. |
🌱 Eco-Conscious Refrigerant R-454B refrigerant reduces GWP by 78% compared to R-410A for a cleaner planet. |
🚚 Fast, Free U.S. Shipping Ships directly from U.S. warehouses with zero added freight fees. |
1x Quest 506 208/230V Dehumidifier
1x Power Cord (NEMA 6-20P)
1x Digital Onboard Control Panel
1x User Manual
✔️ Commercial Grow Rooms
✔️ Industrial Dry Rooms
✔️ Overhead or Freestanding Installs
✔️ Facilities with 208–230V Power
🌡️ Widest Operating Range Performs reliably from 56°F–95°F, across a wide RH spectrum. |
🔧 Overhead-Ready Design Lower-profile chassis with built-in hang points for tight overhead installs. |
🔄 Auto Restart Recovers from power loss automatically—no user input required. |
Order the Quest 506 208/230V Dehumidifier today and take full control of your growing environment — with smarter automation and reliable results.
Freestanding
Overhead
P-Trap Requirements
500 Pints/Day
9.2 Pints/kWh
4.4 Liters/kWh
9.9 Amps (230V) | 10.9 Amps (208V)
2,250 Watts
30,500
22,800
7,700
320 Pints/Day
6.8 Pints/kWh
3.2 Liters/kWh
8.6 Amps
6.7 Pints/kWh @ 65 F | 60% RH
7.9 Pints/kWh @ 73 F | 60% RH
4046300
Refrigerant Dehumidifier
1,150 @ 0.0″ WG
56 F Min–95 F Max
208V-230V
44.8″ L x 29.0″ W x 27.4″ H
275 lbs
Onboard Digital Controls with low-voltage terminal block
MERV 13
18″ x 20″ x 2″
12/3, SJTW, 20A (6’) / NEMA 6-20P
R454B
3 lb 14 oz
3/4″ Threaded NPT
5 Year Limited
Quest 506 208/230V Dehumidifier User Manual
Quest 506 208/230V Dehumidifier Specifications
Manufacturer Warranty: 5 Years
Covers defects in materials and workmanship
Support handled directly through manufacturer or via our team
Q: What makes this more efficient than other commercial models?
A: It removes 500 pints/day while using only 9.2 pints/kWh—industry-best efficiency.
Q: Is this unit overhead-install compatible?
A: Yes — it's built low-profile and includes integrated hang points.
Q: What refrigerant does it use?
A: R-454B, a low-GWP refrigerant with 78% less global warming impact than R-410A.
Q: Does it require special voltage?
A: Yes — it runs on either 208V or 230V depending on your facility.
Q: What's the warranty?
A: The unit comes with a 5-year manufacturer-backed warranty.
Who We Are
At Garden GrowShop, we're not a faceless online retailer. We're a small, family-run business with real roots in the growing community. Every product we carry has been carefully chosen to meet the needs of both home growers and commercial operators — because we’ve walked in your shoes.
Personal, Knowledgeable Support
When you reach out to us, you’re not getting a canned reply or being passed between departments. You're talking to someone who actually knows the products, understands your challenges, and is here to help you succeed.
Transparent Pricing — No Gimmicks
We believe in fair, honest pricing. No inflated markups, no bait-and-switch tactics. If you ever find a better price on the same item, let us know — we’ll match it without the hassle.
Fast, Dependable Shipping
We ship directly from warehouses across the U.S. to get your order to you quickly and reliably. No inflated delivery timelines, and no surprise shipping fees — just smooth, on-time delivery you can count on.
A Partnership, Not a Transaction
Our customers stick with us because we treat them like partners. Whether you're outfitting a small indoor setup or managing a large-scale operation, we’re here to grow with you — not just sell you equipment.
Our Commitment
If something goes wrong, we don’t pass the buck. We work with you directly to make it right. That’s how we’ve built our business, and that’s how we plan to keep it.
Shipping Policy
Free Shipping Within the Continental U.S.
We offer free shipping on all orders shipped to addresses within the continental United States. There are no hidden fees, minimum order requirements, or handling charges. The price you see at checkout is the final price you pay.
Order Processing
Orders are typically processed within 1–2 business days (Monday–Friday). If an item is temporarily backordered or delayed, we’ll notify you by email with an updated shipping estimate.
Shipping Confirmation & Tracking
Once your order has shipped, we’ll email you a shipping confirmation that includes tracking information. You can use this to monitor the delivery status of your package in real time.
Estimated Delivery Time
Most orders arrive within 3–7 business days of shipping, depending on your location and the item’s warehouse origin. Freight items and oversized packages may take additional time.
Shipping Carriers
We use trusted carriers such as FedEx, UPS, USPS, and professional freight delivery services for large or heavy items. Depending on the size of your order, it may arrive in multiple packages or from multiple warehouses.
Delivery and Moving Disclaimer
Please note: We do not offer moving or installation services. For freight shipments or large items, carriers are only responsible for curbside delivery. Drivers are not required to move items inside your home, up stairs, or to specific locations. We strongly recommend having assistance available at the time of delivery for heavy or bulky shipments.
Address Accuracy & Order Changes
Please ensure your shipping address is correct at the time of checkout. Once an order has shipped, we are unable to change the delivery address or reroute the shipment. If you need to make changes to your order, contact us immediately after placing it.
Damaged or Lost Shipments
If your order arrives damaged or appears to be lost in transit, contact us within 48 hours of delivery (or expected delivery). We will work with the carrier to resolve the issue as quickly as possible.
Shipping Restrictions
We currently ship only to addresses within the continental United States. We do not ship to Alaska, Hawaii, U.S. territories, or international destinations.
Questions?
If you have questions about your order, delivery, or shipping process, feel free to reach out to us through our Contact Us page or via email. We’re here to help.
Start of Returns section
Easy Returns, No Surprises
At Garden GrowShop, we stand behind the quality of every product we carry. But we also understand that sometimes things just don’t work out — and that’s okay. If you change your mind or the item isn’t quite what you expected, we’ve got you covered.
You have 30 days from the date of delivery to request a return for any reason. To start a return, simply email us at sales@gardengrowshop.com with your order number and we’ll walk you through the process.
Here’s what to expect:
You’ll receive clear return instructions from our team.
Once your item is received and inspected, we’ll issue a refund to your original payment method.
Items must be returned in “like new” condition, with all original packaging and accessories.
Return shipping costs are the responsibility of the customer.
“Like new” means no visible wear, damage, or missing parts. Items showing signs of use or misuse may not qualify for a refund.
If your order arrives damaged or defective, don’t worry — we’ll take care of it.
Here’s what to do:
Note any damage with the delivery driver when signing for the package.
Email photos and a description of the issue to sales@gardengrowshop.com on the same day you receive it.
We’ll cover the cost of return shipping and make sure a replacement is sent out quickly.
Please keep all original packaging in case a return is needed. This helps speed up the process and ensures a smooth resolution.
If you need to cancel your order, please contact us as soon as possible at sales@gardengrowshop.com or by phone.
Cancellations before shipment receive a full refund.
Cancellations after shipment will follow our standard return policy and may be subject to return shipping costs.
Certain products may have brand-specific return restrictions, which will be noted on the product page.
Products purchased for temporary or single-use purposes (e.g. trade shows, promotional events) are not eligible for return.
We’re Here to Help
Our goal is to make returns and exchanges as easy as possible — with no stress and no surprises. If you’re unsure whether your order qualifies or just want to ask a question, don’t hesitate to reach out. We’re here to make sure you feel confident before and after your purchase.
We’re an authorized dealer for every brand we sell—so you’ll always get full manufacturer warranties, premium support, and authentic gear direct from the source.
✅ Fast, tracked shipping on all orders
✅ 100% safe and secure checkout
✅ No restocking fees on returns
✅ Friendly U.S.-based support when you need it
Have questions? We're here to help. Whether you're just getting started or scaling up a full grow, our experts can guide you to the right gear.
Engineered for large-scale cultivation and facility management, the Quest 506 removes up to 500 pints of water per day with groundbreaking 9.2 pints/kWh efficiency. Powered by patented M-CoRR™ multi-coil technology, this unit delivers elite performance while freeing up amps on your panel. Flexible 208/230V voltage support, onboard digital controls, and a sustainable R-454B refrigerant make it the smartest, cleanest, and most efficient choice for heavy-duty moisture control.
⚙️ M-CoRR™ Coil System Patented multi-coil refrigeration reuses heat to boost efficiency and reduce output BTUs. |
🔌 208/230V Flex Voltage Supports flexible power setups while drawing fewer amps than competitors. |
🧪 MERV 13 Filtration Eliminates fine particulates, bacteria, and airborne contaminants from your environment. |
🌱 Eco-Conscious Refrigerant R-454B refrigerant reduces GWP by 78% compared to R-410A for a cleaner planet. |
🚚 Fast, Free U.S. Shipping Ships directly from U.S. warehouses with zero added freight fees. |
1x Quest 506 208/230V Dehumidifier
1x Power Cord (NEMA 6-20P)
1x Digital Onboard Control Panel
1x User Manual
✔️ Commercial Grow Rooms
✔️ Industrial Dry Rooms
✔️ Overhead or Freestanding Installs
✔️ Facilities with 208–230V Power
🌡️ Widest Operating Range Performs reliably from 56°F–95°F, across a wide RH spectrum. |
🔧 Overhead-Ready Design Lower-profile chassis with built-in hang points for tight overhead installs. |
🔄 Auto Restart Recovers from power loss automatically—no user input required. |
Order the Quest 506 208/230V Dehumidifier today and take full control of your growing environment — with smarter automation and reliable results.
Freestanding
Overhead
P-Trap Requirements
500 Pints/Day
9.2 Pints/kWh
4.4 Liters/kWh
9.9 Amps (230V) | 10.9 Amps (208V)
2,250 Watts
30,500
22,800
7,700
320 Pints/Day
6.8 Pints/kWh
3.2 Liters/kWh
8.6 Amps
6.7 Pints/kWh @ 65 F | 60% RH
7.9 Pints/kWh @ 73 F | 60% RH
4046300
Refrigerant Dehumidifier
1,150 @ 0.0″ WG
56 F Min–95 F Max
208V-230V
44.8″ L x 29.0″ W x 27.4″ H
275 lbs
Onboard Digital Controls with low-voltage terminal block
MERV 13
18″ x 20″ x 2″
12/3, SJTW, 20A (6’) / NEMA 6-20P
R454B
3 lb 14 oz
3/4″ Threaded NPT
5 Year Limited
Quest 506 208/230V Dehumidifier User Manual
Quest 506 208/230V Dehumidifier Specifications
Manufacturer Warranty: 5 Years
Covers defects in materials and workmanship
Support handled directly through manufacturer or via our team
Q: What makes this more efficient than other commercial models?
A: It removes 500 pints/day while using only 9.2 pints/kWh—industry-best efficiency.
Q: Is this unit overhead-install compatible?
A: Yes — it's built low-profile and includes integrated hang points.
Q: What refrigerant does it use?
A: R-454B, a low-GWP refrigerant with 78% less global warming impact than R-410A.
Q: Does it require special voltage?
A: Yes — it runs on either 208V or 230V depending on your facility.
Q: What's the warranty?
A: The unit comes with a 5-year manufacturer-backed warranty.
Who We Are
At Garden GrowShop, we're not a faceless online retailer. We're a small, family-run business with real roots in the growing community. Every product we carry has been carefully chosen to meet the needs of both home growers and commercial operators — because we’ve walked in your shoes.
Personal, Knowledgeable Support
When you reach out to us, you’re not getting a canned reply or being passed between departments. You're talking to someone who actually knows the products, understands your challenges, and is here to help you succeed.
Transparent Pricing — No Gimmicks
We believe in fair, honest pricing. No inflated markups, no bait-and-switch tactics. If you ever find a better price on the same item, let us know — we’ll match it without the hassle.
Fast, Dependable Shipping
We ship directly from warehouses across the U.S. to get your order to you quickly and reliably. No inflated delivery timelines, and no surprise shipping fees — just smooth, on-time delivery you can count on.
A Partnership, Not a Transaction
Our customers stick with us because we treat them like partners. Whether you're outfitting a small indoor setup or managing a large-scale operation, we’re here to grow with you — not just sell you equipment.
Our Commitment
If something goes wrong, we don’t pass the buck. We work with you directly to make it right. That’s how we’ve built our business, and that’s how we plan to keep it.
Shipping Policy
Free Shipping Within the Continental U.S.
We offer free shipping on all orders shipped to addresses within the continental United States. There are no hidden fees, minimum order requirements, or handling charges. The price you see at checkout is the final price you pay.
Order Processing
Orders are typically processed within 1–2 business days (Monday–Friday). If an item is temporarily backordered or delayed, we’ll notify you by email with an updated shipping estimate.
Shipping Confirmation & Tracking
Once your order has shipped, we’ll email you a shipping confirmation that includes tracking information. You can use this to monitor the delivery status of your package in real time.
Estimated Delivery Time
Most orders arrive within 3–7 business days of shipping, depending on your location and the item’s warehouse origin. Freight items and oversized packages may take additional time.
Shipping Carriers
We use trusted carriers such as FedEx, UPS, USPS, and professional freight delivery services for large or heavy items. Depending on the size of your order, it may arrive in multiple packages or from multiple warehouses.
Delivery and Moving Disclaimer
Please note: We do not offer moving or installation services. For freight shipments or large items, carriers are only responsible for curbside delivery. Drivers are not required to move items inside your home, up stairs, or to specific locations. We strongly recommend having assistance available at the time of delivery for heavy or bulky shipments.
Address Accuracy & Order Changes
Please ensure your shipping address is correct at the time of checkout. Once an order has shipped, we are unable to change the delivery address or reroute the shipment. If you need to make changes to your order, contact us immediately after placing it.
Damaged or Lost Shipments
If your order arrives damaged or appears to be lost in transit, contact us within 48 hours of delivery (or expected delivery). We will work with the carrier to resolve the issue as quickly as possible.
Shipping Restrictions
We currently ship only to addresses within the continental United States. We do not ship to Alaska, Hawaii, U.S. territories, or international destinations.
Questions?
If you have questions about your order, delivery, or shipping process, feel free to reach out to us through our Contact Us page or via email. We’re here to help.
Start of Returns section
Easy Returns, No Surprises
At Garden GrowShop, we stand behind the quality of every product we carry. But we also understand that sometimes things just don’t work out — and that’s okay. If you change your mind or the item isn’t quite what you expected, we’ve got you covered.
You have 30 days from the date of delivery to request a return for any reason. To start a return, simply email us at sales@gardengrowshop.com with your order number and we’ll walk you through the process.
Here’s what to expect:
You’ll receive clear return instructions from our team.
Once your item is received and inspected, we’ll issue a refund to your original payment method.
Items must be returned in “like new” condition, with all original packaging and accessories.
Return shipping costs are the responsibility of the customer.
“Like new” means no visible wear, damage, or missing parts. Items showing signs of use or misuse may not qualify for a refund.
If your order arrives damaged or defective, don’t worry — we’ll take care of it.
Here’s what to do:
Note any damage with the delivery driver when signing for the package.
Email photos and a description of the issue to sales@gardengrowshop.com on the same day you receive it.
We’ll cover the cost of return shipping and make sure a replacement is sent out quickly.
Please keep all original packaging in case a return is needed. This helps speed up the process and ensures a smooth resolution.
If you need to cancel your order, please contact us as soon as possible at sales@gardengrowshop.com or by phone.
Cancellations before shipment receive a full refund.
Cancellations after shipment will follow our standard return policy and may be subject to return shipping costs.
Certain products may have brand-specific return restrictions, which will be noted on the product page.
Products purchased for temporary or single-use purposes (e.g. trade shows, promotional events) are not eligible for return.
We’re Here to Help
Our goal is to make returns and exchanges as easy as possible — with no stress and no surprises. If you’re unsure whether your order qualifies or just want to ask a question, don’t hesitate to reach out. We’re here to make sure you feel confident before and after your purchase.
We’re an authorized dealer for every brand we sell—so you’ll always get full manufacturer warranties, premium support, and authentic gear direct from the source.
✅ Fast, tracked shipping on all orders
✅ 100% safe and secure checkout
✅ No restocking fees on returns
✅ Friendly U.S.-based support when you need it
Have questions? We're here to help. Whether you're just getting started or scaling up a full grow, our experts can guide you to the right gear.