Buy R-407C Refrigerant | HVAC & Chiller Systems | Free Shipping — Refrigerant Inc

R-407C Refrigerant — HVAC Chillers & AC Systems, Free Nationwide Shipping

R-407C is an HFC blend refrigerant used in a wide range of commercial HVAC applications — chillers, rooftop units, close-control air conditioning, and as a retrofit option for some older R-22 systems. It's particularly common in commercial and light industrial cooling equipment manufactured in the late 1990s through the 2010s. Refrigerant Inc stocks genuine, virgin R-407C with free shipping to all 48 continental states.

What Systems Use R-407C?

R-407C was developed as an R22 alternative for air conditioning applications. Its temperature glide and operating pressures are closer to R-22 than R-410A, which made it a common choice for retrofit applications and new equipment in Europe and Asia during the R22 phaseout. Common systems include:

• Commercial chillers — Water-cooled and air-cooled chiller plants in commercial buildings
• Rooftop units (RTUs) — Commercial packaged rooftop air conditioning systems
• Close-control/precision AC — Data center and server room cooling equipment
• VRF/VRV systems — Some multi-zone commercial systems, particularly older imported units
• R22 retrofit applications — Some older R22 systems converted to R407C with appropriate oil change and retrofit procedure

Check the equipment nameplate or service sticker to confirm R407C is specified before purchasing. R407C is an HFC blend with temperature glide — it must be charged as a liquid to maintain proper blend composition.

Why Buy R407C From Refrigerant Inc

• Virgin, Factory-Sealed Product — Genuine R407C, never reclaimed or gray market.
• Free Shipping to All 48 States — No freight fees added at checkout.
• Same or Next-Day Processing — Orders placed before 2PM EST ship the same day.
• Contractor & Wholesale Pricing — Volume accounts available. Call 888-593-7366.

Important: Charging R407C Correctly

R407C is a zeotropic blend, meaning it has temperature glide — the components boil and condense at different temperatures. This has two important service implications:

• Always charge as liquid — Charging R407C as vapor will result in an off-ratio charge with incorrect refrigerant composition and poor system performance.
• Recover as a blend — Recovered R407C cannot be topped off or reused without full analysis and certification to AHRI 700 standards. In most cases, a full system recharge with virgin refrigerant is the correct approach after a leak.

R407C Alternatives

For systems requiring a lower-GWP alternative or for new installations, we also carry:

• R410A — The dominant HFC refrigerant for residential and light commercial AC (not a direct swap — requires compatible equipment)
• R454B — The emerging lower-GWP standard for new AC equipment under EPA AIM Act regulations
• R438A (MO99) — A commonly used R22 retrofit refrigerant if the system is being converted from R22

Shipping Information

R407C ships via ground freight to all 48 continental states. Alaska and Hawaii excluded. Most orders ship within 1 business day. Transit time is typically 2–5 business days depending on location.

Frequently Asked Questions

Is R407C a drop-in replacement for R22?
Not exactly. R407C can be used in some R22 systems after a proper retrofit procedure including an oil change to POE lubricant, but it is not a true drop-in. System performance will differ from R22 due to R407C's temperature glide. Consult the equipment manufacturer's retrofit guidelines before converting.

What's the difference between R407C and R410A?
R410A operates at significantly higher pressures and is designed for equipment built specifically for it. R407C operates closer to R22 pressure ranges, making it more suitable for retrofits and systems designed around R22-range pressures. They are not interchangeable.

Why does R407C need to be charged as a liquid?
R407C is a zeotropic blend — its component refrigerants have different boiling points and will fractionate (separate) if charged as vapor. Vapor charging results in an off-ratio mixture in the system with incorrect operating pressures and reduced performance. Always charge R407C from the liquid port or invert the cylinder.

Can I top off an R407C system that had a leak?
Technically you can add refrigerant, but if significant refrigerant was lost through a leak, the blend ratio in the remaining charge may be off due to fractionation. Best practice after a significant leak is to recover the remaining charge, repair the leak, and recharge with fresh virgin refrigerant.

Is R407C being phased out?
R407C has a GWP of ~1,774 and is subject to HFC phasedown regulations under the EPA AIM Act. New equipment using R407C is being phased out. However, the refrigerant remains legal to purchase and use for servicing existing equipment.