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CO2 cylinders for greenhouse and cannabis grow operations

Greenhouse & Cannabis Growing Gases in Arizona

Reliable gas supply for Arizona’s cannabis industry.

Phoenix Welding Supply is the trusted partner for greenhouse and cannabis grow operations statewide. From small indoor grows to large-scale cultivation facilities, we deliver the CO₂, nitrogen, and specialty gases that help you maximize yields, manage climate conditions, and maintain consistent plant growth.

As Arizona’s local gas leader for over 70 years, we provide dependable delivery, safety expertise, and local service that keeps your grow running efficiently and compliant with state standards.

Why Cannabis Growers Choose Phoenix Welding Supply

We understand how critical stable environmental conditions are for plant health and productivity. Our team works directly with greenhouse managers and cultivators to design gas delivery systems that ensure precise control of CO₂ and other atmospheric conditions.

Advantages for cannabis cultivation operations:

  • CO₂ enrichment systemsto increase photosynthesis and plant growth rates
  • Nitrogen gas supplyfor purge and preservation systems
  • Custom gas mixturestailored to your grow-house needs
  • Cylinder, micro-bulk, or bulk delivery optionsfor operations of any size
  • On-site installation and safety guidancefrom trained technicians
  • Statewide delivery routesfrom Phoenix to Flagstaff, Tucson, Mesa, and Sierra Vista

When it comes to consistency and compliance, Phoenix Welding Supply provides more than just cylinders, we provide reliability, safety, and expertise backed by our parent company, Air Water America Inc.

CO₂ for Greenhouses and Grow Houses

CO₂ enrichment is a proven way to increase plant biomass and improve yields in controlled-environment agriculture. Phoenix Welding Supply produces and delivers beverage-grade CO₂ suitable for greenhouse and grow-house applications.

Our team can help determine the right system setup from manual cylinder change-outs to automated bulk CO₂ systems with precision regulators and sensors. We also provide ongoing delivery scheduling so your CO₂ supply never runs out during critical growth cycles.

Nitrogen for Controlled Environments

Nitrogen is essential for maintaining clean, inert environments in cannabis production facilities. It’s commonly used for:

  • Purging grow-room lines and tanks
  • Storing or preserving plant material
  • Managing oxygen levels in climate systems

Phoenix Welding Supply delivers nitrogen in multiple grades and volumes to meet your process requirements, all filled and distributed locally from our Phoenix plant.

Local Experts. Statewide Coverage.

With six Arizona branches and a Phoenix fill plant, we are the only Arizona-based gas manufacturer offering direct delivery to the cannabis industry. Whether you’re setting up a new grow facility or scaling an existing operation, our specialists can perform a free site survey to match the right gas package and system configuration for your needs.

Our route delivery network covers the entire state, ensuring on-time gas supply for cultivators, extractors, and processing facilities.

Request a Quote or Site Survey

Ready to optimize your grow operation with reliable gas delivery and system support?
Contact our team today to schedule a consultation or Request a Quote, and see why Arizona cannabis producers choose Phoenix Welding Supply for dependable CO₂ and nitrogen solutions.