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R454B
Cooper & Hunter dual zone ductless mini split 12k concealed duct AC system
Cooper & Hunter

2 Zone 18,000 BTU Ducted Mini Split AC Concealed Duct 12k+12k

  ALL OF OUR MULTI ZONE SYSTEMS COME PRE-BUNDLED WITH A 25FT INSTALLATION KIT FOR EACH ZONE. WE CARRY 16FT, 25FT, AND 50FT. SEND US A MESSAGE OR GIVE US A CALL...
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$3,135.00
R454B
Cooper & Hunter dual zone ductless mini split AC for efficient cooling system
Cooper & Hunter

2 Zone 18,000 BTU Ducted Mini Split AC Concealed Duct 9k+12k

  ALL OF OUR MULTI ZONE SYSTEMS COME PRE-BUNDLED WITH A 25FT INSTALLATION KIT FOR EACH ZONE. WE CARRY 16FT, 25FT, AND 50FT. SEND US A MESSAGE OR GIVE US A CALL...
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$3,403.00
R454B
Sophia Series Cooper & Hunter dual zone ductless mini split AC system in action
Cooper & Hunter

2 Zone 18,000 BTU Ducted Mini Split AC Concealed Duct 9k+9k

  ALL OF OUR MULTI ZONE SYSTEMS COME PRE-BUNDLED WITH A 25FT INSTALLATION KIT FOR EACH ZONE. WE CARRY 16FT, 25FT, AND 50FT. SEND US A MESSAGE OR GIVE US A CALL...
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$2,457.00
R454B
Mini-split air conditioning system with dual zone ductless ceiling cassette for efficient cooling
Cooper & Hunter

2 Zone 18,000 BTU OLIVIA Ductless Mini Split AC Ceiling Cassette 12k+12k

Cooper & Hunter 18,000 BTU Dual Zone Mini Split System Experience unparalleled comfort with the Cooper & Hunter 18,000 BTU Dual Zone Mini Split System (R454B Refrigerant). Perfect for both...
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$3,551.00
R454B
Air conditioning system on 2 Zone OLIVIA Ductless Mini Split AC Ceiling Cassette by Cooper & Hunter
Cooper & Hunter

2 Zone 18,000 BTU OLIVIA Ductless Mini Split AC Ceiling Cassette 9k+12k

Cooper & Hunter 18,000 BTU Dual Zone Mini Split System Upgrade your space with the Cooper & Hunter 18,000 BTU Dual Zone Mini Split System. This system is perfect for...
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$3,515.00
R454B
Air conditioning system from Cooper & Hunter 2 Zone Ductless Ceiling Cassette
Cooper & Hunter

2 Zone 18,000 BTU OLIVIA Ductless Mini Split AC Ceiling Cassette 9k+9k

Cooper & Hunter 18,000 BTU Dual Zone Mini Split System Experience ultimate comfort with the Cooper & Hunter 18,000 BTU Dual Zone Ductless Mini Split Air Conditioner (R454B Refrigerant). Perfect...
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$3,455.00
R454B
White Cooper & Hunter mini floor consoles zone ductless multi 2 zone AC unit
Cooper & Hunter

2 Zone 18,000 BTU OLIVIA Ductless Mini Split AC MIni Floor Consoles 12k+12k

  ALL OF OUR MULTI ZONE SYSTEMS COME PRE-BUNDLED WITH A 25FT INSTALLATION KIT FOR EACH ZONE. WE CARRY 16FT, 25FT, AND 50FT. SEND US A MESSAGE OR GIVE US A CALL...
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$3,324.96
R454B
Air conditioning system with indoor and outdoor units of Cooper & Hunter 2 Zone Ductless Mini Split AC
Cooper & Hunter

2 Zone 18,000 BTU OLIVIA Midnight Ductless Mini Split AC Wall Mounted 12k+12k

  *ALL OF OUR MULTI ZONE SYSTEMS COME PRE-BUNDLED WITH A 25FT INSTALLATION KIT FOR EACH ZONE. WE CARRY 16FT, 25FT, AND 50FT. TO CUSTOMIZE, GIVE US A CALL! INCLUDED...
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$2,441.00
R454B
Air conditioning system with indoor and outdoor units for the 2 Zone OLIVIA Midnight Ductless Mini Split AC by Cooper & Hunter
Cooper & Hunter

2 Zone 18,000 BTU OLIVIA Midnight Ductless Mini Split AC Wall Mounted 9k+12k

  *ALL OF OUR MULTI ZONE SYSTEMS COME PRE-BUNDLED WITH A 25FT INSTALLATION KIT FOR EACH ZONE. WE CARRY 16FT, 25FT, AND 50FT. TO CUSTOMIZE, GIVE US A CALL! INCLUDED...
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$2,436.00
R454B
Ductless mini split system with indoor and outdoor units from Cooper & Hunter Olivia Midnight Series
Cooper & Hunter

2 Zone 18,000 BTU OLIVIA Midnight Ductless Mini Split AC Wall Mounted 9k+9k

  *ALL OF OUR MULTI ZONE SYSTEMS COME PRE-BUNDLED WITH A 25FT INSTALLATION KIT FOR EACH ZONE. WE CARRY 16FT, 25FT, AND 50FT. TO CUSTOMIZE, GIVE US A CALL! Click...
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$2,430.54
R454B
Cooper & Hunter 2 Zone Concealed Duct Mini Split AC for dual zone ductless cooling
Cooper & Hunter

2 Zone 28,000 BTU Ducted Mini Split AC Concealed Duct 12k+18k

  ALL OF OUR MULTI ZONE SYSTEMS COME PRE-BUNDLED WITH A 25FT INSTALLATION KIT FOR EACH ZONE. WE CARRY 16FT, 25FT, AND 50FT. SEND US A MESSAGE OR GIVE US A CALL...
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$4,074.00
R454B
Cooper & Hunter 2 Zone 28,000 BTU slim duct air mini split AC system
Cooper & Hunter

2 Zone 28,000 BTU Ducted Mini Split AC Concealed Duct 9k+18k

ALL OF OUR MULTI ZONE SYSTEMS COME PRE-BUNDLED WITH A 25FT INSTALLATION KIT FOR EACH ZONE. WE CARRY 16FT, 25FT, AND 50FT. SEND US A MESSAGE OR GIVE US A CALL TO...
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$4,074.00
R454B
Cooper & Hunter dual zone ductless mini-split AC with 25ft installation kits
Cooper & Hunter

2 Zone 28,000 BTU OLIVIA Ductless Mini Split AC Ceiling Cassette 12k+18k

  ALL OF OUR MULTI ZONE SYSTEMS COME PRE-BUNDLED WITH A 25FT INSTALLATION KIT FOR EACH ZONE. WE CARRY 16FT, 25FT, AND 50FT. SEND US A MESSAGE OR GIVE US A CALL...
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$4,170.00
R454B
Mini-split AC system by Cooper & Hunter 2 Zone 28000 BTU with dual zone ductless tech
Cooper & Hunter

2 Zone 28,000 BTU OLIVIA Ductless Mini Split AC Ceiling Cassette 9k+18k

Cooper & Hunter 2 Zone Ductless Mini Split AC System Experience ultimate comfort with the Cooper & Hunter 2 Zone 9k+18k Ceiling Cassette, a powerful and efficient solution for heating...
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$4,110.00
R454B
Air conditioning system Olivia Midnight ductless mini split by Cooper & Hunter from minisplits4less
Cooper & Hunter

2 Zone 28,000 BTU Olivia Midnight Ductless Mini Split AC Wall Mounted 12K+18K

  *ALL OF OUR MULTI ZONE SYSTEMS COME PRE-BUNDLED WITH A 25FT INSTALLATION KIT FOR EACH ZONE. WE CARRY 16FT, 25FT, AND 50FT. TO CUSTOMIZE, GIVE US A CALL! INCLUDED...
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$3,029.00
R454B
Black and white air conditioning system from Cooper & Hunter Olivia Midnight multi zone lineup
Cooper & Hunter

2 Zone 28,000 BTU Olivia Midnight Ductless Mini Split AC Wall Mounted 9K+18K

  *ALL OF OUR MULTI ZONE SYSTEMS COME PRE-BUNDLED WITH A 25FT INSTALLATION KIT FOR EACH ZONE. WE CARRY 16FT, 25FT, AND 50FT. TO CUSTOMIZE, GIVE US A CALL! INCLUDED...
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$3,024.00
R454B
Cooper & Hunter 2 Zone 36K BTU Slim Duct Air Mini Split AC indoor outdoor units
Cooper & Hunter

2 Zone 36,000 BTU Ducted Mini Split AC Concealed Duct 18k+18k

  ALL OF OUR MULTI ZONE SYSTEMS COME PRE-BUNDLED WITH A 25FT INSTALLATION KIT FOR EACH ZONE. WE CARRY 16FT, 25FT, AND 50FT. SEND US A MESSAGE OR GIVE US A CALL...
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$5,252.00
R454B
HVAC system with indoor and outdoor units for concealed duct Slim Duct Air Conditioner by Cooper & Hunter
Cooper & Hunter

2 Zone 36,000 BTU Ducted Mini Split AC Concealed Duct 9k+24k

  ALL OF OUR MULTI ZONE SYSTEMS COME PRE-BUNDLED WITH A 25FT INSTALLATION KIT FOR EACH ZONE. WE CARRY 16FT, 25FT, AND 50FT. SEND US A MESSAGE OR GIVE US A CALL...
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$5,200.00
R454B
Mini-split air conditioning system with cooper & hunter ceiling cassette dual zone ductless design
Cooper & Hunter

2 Zone 36,000 BTU OLIVIA Ductless Mini Split AC Ceiling Cassette 12k+24k

  ALL OF OUR MULTI ZONE SYSTEMS COME PRE-BUNDLED WITH A 25FT INSTALLATION KIT FOR EACH ZONE. WE CARRY 16FT, 25FT, AND 50FT. SEND US A MESSAGE OR GIVE US A CALL...
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$5,337.00
R454B
Mini-split air conditioning system from Cooper & Hunter dual zone ductless ceiling cassette
Cooper & Hunter

2 Zone 36,000 BTU OLIVIA Ductless Mini Split AC Ceiling Cassette 9k+24k

  ALL OF OUR MULTI ZONE SYSTEMS COME PRE-BUNDLED WITH A 25FT INSTALLATION KIT FOR EACH ZONE. WE CARRY 16FT, 25FT, AND 50FT. SEND US A MESSAGE OR GIVE US A CALL...
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$5,240.00
R454B
Air conditioning system with concealed duct in Cooper & Hunter dual zone slim setup
Cooper & Hunter

2 Zone 48,000 BTU Ducted Mini Split AC Concealed Duct 18k+24k

ALL OF OUR MULTI ZONE SYSTEMS COME PRE-BUNDLED WITH A 25FT INSTALLATION KIT FOR EACH ZONE. WE CARRY 16FT, 25FT, AND 50FT. SEND US A MESSAGE OR GIVE US A CALL TO...
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$6,715.00
R454B
Cooper & Hunter dual zone slim concealed duct mini split AC in 2 zone 48K BTU system
Cooper & Hunter

2 Zone 48,000 BTU Ducted Mini Split AC Concealed Duct 24k+24k

ALL OF OUR MULTI ZONE SYSTEMS COME PRE-BUNDLED WITH A 25FT INSTALLATION KIT FOR EACH ZONE. WE CARRY 16FT, 25FT, AND 50FT. SEND US A MESSAGE OR GIVE US A CALL TO...
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$7,177.00
R454B
White multi-zone ductless mini-split air conditioner from Cooper & Hunter Sophia Series
Cooper & Hunter

2 Zone 48,000 BTU Ductless Mini Split AC Universal Floor/Ceiling 18k+24k

  *ALL OF OUR MULTI ZONE SYSTEMS COME PRE-BUNDLED WITH A 25FT INSTALLATION KIT FOR EACH ZONE. WE CARRY 16FT, 25FT, AND 50FT. TO CUSTOMIZE, SEND US A MESSAGE OR...
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$6,539.04
R454B
White Cooper & Hunter Sophia Series multi zone mini split AC for home comfort
Cooper & Hunter

2 Zone 48,000 BTU Ductless Mini Split AC Universal Floor/Ceiling 24k+24k

  *ALL OF OUR MULTI ZONE SYSTEMS COME PRE-BUNDLED WITH A 25FT INSTALLATION KIT FOR EACH ZONE. WE CARRY 16FT, 25FT, AND 50FT. TO CUSTOMIZE, SEND US A MESSAGE OR...
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$6,719.04
R454B
Multi-zone mini split AC with cooper & hunter dual zone ductless ceiling cassette
Cooper & Hunter

2 Zone 48,000 BTU OLIVIA Ductless Mini Split AC Ceiling Cassette 18k+24k

  ALL OF OUR MULTI ZONE SYSTEMS COME PRE-BUNDLED WITH A 25FT INSTALLATION KIT FOR EACH ZONE. WE CARRY 16FT, 25FT, AND 50FT. SEND US A MESSAGE OR GIVE US A CALL...
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$6,405.00
R454B
Multi-zone mini-split air conditioning system with cooper & hunter dual zone ductless ceiling cassette
Cooper & Hunter

2 Zone 48,000 BTU OLIVIA Ductless Mini Split AC Ceiling Cassette 24k+24k

  ALL OF OUR MULTI ZONE SYSTEMS COME PRE-BUNDLED WITH A 25FT INSTALLATION KIT FOR EACH ZONE. WE CARRY 16FT, 25FT, AND 50FT. SEND US A MESSAGE OR GIVE US A CALL...
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$6,492.00
R454B
Black ductless mini split air conditioner from Cooper & Hunter Olivia Midnight series
Cooper & Hunter

2 Zone 48,000 BTU Olivia Midnight Ductless Mini Split AC Wall Mounted 24K+24K

  *ALL OF OUR MULTI ZONE SYSTEMS COME PRE-BUNDLED WITH A 25FT INSTALLATION KIT FOR EACH ZONE. WE CARRY 16FT, 25FT, AND 50FT. TO CUSTOMIZE, GIVE US A CALL! INCLUDED...
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$5,337.00
R454B
Cooper & Hunter 3 Zone Slim Duct Air HVAC system with indoor, outdoor units, accessories
Cooper & Hunter

3 Zone 28,000 BTU Ducted Mini Split AC Concealed Duct 12k+12k+12k

  ALL OF OUR MULTI ZONE SYSTEMS COME PRE-BUNDLED WITH A 25FT INSTALLATION KIT FOR EACH ZONE. WE CARRY 16FT, 25FT, AND 50FT. SEND US A MESSAGE OR GIVE US A CALL...
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$4,841.00
R454B
Cooper & Hunter 3 Zone 28K BTU slim duct air mini split with indoor and outdoor units
Cooper & Hunter

3 Zone 28,000 BTU Ducted Mini Split AC Concealed Duct 9k+12k+12k

  ALL OF OUR MULTI ZONE SYSTEMS COME PRE-BUNDLED WITH A 25FT INSTALLATION KIT FOR EACH ZONE. WE CARRY 16FT, 25FT, AND 50FT. SEND US A MESSAGE OR GIVE US A CALL...
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$4,841.00
R454B
HVAC system with indoor and outdoor units for tri zone slim concealed duct cooling
Cooper & Hunter

3 Zone 28,000 BTU Ducted Mini Split AC Concealed Duct 9k+9k+12k

ALL OF OUR MULTI ZONE SYSTEMS COME PRE-BUNDLED WITH A 25FT INSTALLATION KIT FOR EACH ZONE. WE CARRY 16FT, 25FT, AND 50FT. SEND US A MESSAGE OR GIVE US A CALL TO...
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$4,841.00
R454B
Cooper & Hunter 3 Zone 28K BTU Slim Duct Air mini split with indoor and outdoor units
Cooper & Hunter

3 Zone 28,000 BTU Ducted Mini Split AC Concealed Duct 9k+9k+9k

ALL OF OUR MULTI ZONE SYSTEMS COME PRE-BUNDLED WITH A 25FT INSTALLATION KIT FOR EACH ZONE. WE CARRY 16FT, 25FT, AND 50FT. SEND US A MESSAGE OR GIVE US A CALL TO...
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$3,492.00
R454B
Multi-zone mini-split AC by Cooper & Hunter, tri zone ductless system for max comfort
Cooper & Hunter

3 Zone 28,000 BTU OLIVIA Ductless Mini Split AC Ceiling Cassette 9k+12k+12k

ALL OF OUR MULTI ZONE SYSTEMS COME PRE-BUNDLED WITH A 25FT INSTALLATION KIT FOR EACH ZONE. WE CARRY 16FT, 25FT, AND 50FT. SEND US A MESSAGE OR GIVE US A CALL TO...
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$4,694.00
R454B
Multi-zone mini-split AC with ceiling cassettes from Cooper & Hunter’s tri-zone ductless system
Cooper & Hunter

3 Zone 28,000 BTU OLIVIA Ductless Mini Split AC Ceiling Cassettes 12k+12k+12k

  ALL OF OUR MULTI ZONE SYSTEMS COME PRE-BUNDLED WITH A 25FT INSTALLATION KIT FOR EACH ZONE. WE CARRY 16FT, 25FT, AND 50FT. SEND US A MESSAGE OR GIVE US A CALL...
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$5,065.00
R454B
Multi-zone mini-split AC with cooper & hunter tri zone ductless ceiling cassettes
Cooper & Hunter

3 Zone 28,000 BTU OLIVIA Ductless Mini Split AC Ceiling Cassettes 9k+9k+12k

  ALL OF OUR MULTI ZONE SYSTEMS COME PRE-BUNDLED WITH A 25FT INSTALLATION KIT FOR EACH ZONE. WE CARRY 16FT, 25FT, AND 50FT. SEND US A MESSAGE OR GIVE US A CALL...
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$4,614.00
R454B
Multi-zone mini-split AC by Cooper & Hunter, tri zone ductless ceiling cassette system
Cooper & Hunter

3 Zone 28,000 BTU OLIVIA Ductless Mini Split AC Ceiling Cassettes 9k+9k+9k

ALL OF OUR MULTI ZONE SYSTEMS COME PRE-BUNDLED WITH A 25FT INSTALLATION KIT FOR EACH ZONE. WE CARRY 16FT, 25FT, AND 50FT. SEND US A MESSAGE OR GIVE US A CALL TO...
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$4,885.00
R454B
Cooper & Hunter C&H Sophia Series mini split HVAC with indoor outdoor units and accessories
Cooper & Hunter

3 Zone 36,000 BTU Ducted Mini Split AC Concealed Duct 12k+12k+18k

ALL OF OUR MULTI ZONE SYSTEMS COME PRE-BUNDLED WITH A 25FT INSTALLATION KIT FOR EACH ZONE. WE CARRY 16FT, 25FT, AND 50FT. SEND US A MESSAGE OR GIVE US A CALL TO...
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$6,019.00
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Meet R-454B: The Next-Generation Refrigerant for Smarter Comfort

Looking to future-proof your home? R-454B (often marketed as Puron Advance™) delivers familiar performance while targeting a ~75% lower global-warming potential than R-410A (approx. GWP 466 vs. 2,088). Its lower GWP supports more sustainable operation and alignment with evolving U.S. refrigerant rules.

  • Lower GWP (~466) — Choose a climate-friendlier option without sacrificing comfort.
  • High SEER2 potential — Inverter heat pump tech helps cut energy use all year.
  • Trusted brands — Cooper & Hunter, Olmo, BRAVO with robust warranties and nationwide parts.
  • Smoother transition — Many systems are engineered for R-454B with installation practices familiar to pros, making it a practical upgrade path from R-410A.

Questions? Our U.S. team can help size BTUs, discuss incentives, and outline install steps so you can upgrade with confidence.

🎯 Looking for Great Deals on Mini-Split Systems?

Visit our SALE Collection for top-rated ductless mini-splits, heat pumps, and AC kits at discounted prices.

  • ✅ Energy-efficient heating & cooling
  • ✅ Premium brands with options for every budget
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FAQ

Why are R-454B mini-splits gaining popularity in 2025?

R-454B pairs high efficiency with a substantially lower GWP than R-410A, making it a forward-looking choice for ductless heat pumps. Many next-gen inverter systems are designed around low-GWP A2L refrigerants. See current R-454B kits on MiniSplits4Less.com—availability can be seasonal during industry transitions.

What are strong R-454B ductless options in 2025?

Explore cold-climate and high-efficiency series from brands like Cooper & Hunter, Olmo, and BRAVO. Look for inverter compressors, multi-zone compatibility, low-noise indoor heads, and smart app control. Check our in-stock R-454B kits for current SEER2 ratings and operating ranges.

Do I need special tools or permits for R-454B?

R-454B is an A2L (mildly flammable) refrigerant. Many jurisdictions and codes require A2L-rated leak detection and recovery equipment, plus adherence to safety standards such as UL 60335-2-40. If you hire a pro, confirm training and local code compliance.

Can R-454B systems qualify for incentives?

Often, yes. If a system meets current ENERGY STAR® and other requirements, homeowners may be eligible for federal incentives (e.g., 25C) and local utility rebates. Eligibility varies by model and ZIP. Use our rebate resources and request AHRI certificates for qualifying units.