A flower room is a moisture factory. Every plant is putting water into the air, every fixture is putting heat into it, and the room changes completely the second the lights go off. Standard comfort HVAC was never built for that. Cannabis grow room HVAC has to cool, heat and dehumidify at the same time, around the clock, without swinging.
Yield Logic builds custom HVACD (heating, ventilation, air conditioning and dehumidification) systems for commercial cultivators. We're part of Visions Contracting, a licensed General Contractor (Unlimited) and Electrical Contractor, and construction is done in-house.
What a grow room HVAC system actually has to do
- Remove latent load (moisture), not just heat. Transpiration can outpace a cooling-only system, especially late in flower. (See grow room dehumidification.)
- Handle lights-off. When the sensible heat disappears, humidity spikes. Hot gas reheat lets the system keep pulling water without overcooling the room.
- Hold VPD steady. Temperature and humidity have to move together to keep vapor pressure deficit where your cultivation team wants it.
- Keep air moving evenly so there are no wet corners under the canopy.
One integrated system vs. a pile of equipment
Many rooms run mini-splits plus a row of standalone dehumidifiers. Each device works on its own and they can end up fighting each other. An integrated HVACD system uses one control strategy for cooling, reheat and dehumidification, which means less equipment on the ceiling, fewer things to fail, and steadier rooms. More: integrated HVACD vs. mini-splits and dehumidifiers, and our full guide to cannabis grow room HVACD systems.
Why it matters to your bottom line
Growers running our systems report consistent VPD and temperatures and higher yields, even with less experienced staff.
Results depend on each operation's cultivation and SOPs, but steady rooms mean fewer problems to chase.
Rooms we design for
- Flower and veg rooms
- Dry and cure rooms (dry and cure room HVACD)
- Retrofits of existing rooms (retrofit guide)
- New builds and expansions. If you want one team for the whole room, we can also handle controls, lighting, benches and HVAC as a turnkey package.
Getting started
Send us a sketch with basic room dimensions. Layout help and basic sizing are free. Design consultation and engineering are paid services when you need them.
Call (303) 710-8616 Ext. 702 or email Info@VisionsContractingLLC.com.
FAQ
- How big should my grow room HVAC system be?
- It depends on lighting wattage, plant count, irrigation volume and the room envelope. See grow room HVAC sizing and what it costs. Send a sketch with basic room dimensions and we will help with layout and basic sizing at no charge.
- Can you work with my existing equipment?
- Often, yes. We look at what is already there before recommending replacement.
- Do you build outside Colorado?
- Yes. We have designed grow rooms in Colorado and California since the early days of legal cultivation, and we take projects nationwide.