R454b Single zone concealed ducted mini split air conditioner heat pump

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R454B
Air conditioning system of 18,000 BTU 230V Ducted Mini Split AC from Cooper & Hunter Sophia Series
Cooper & Hunter

18,000 BTU 230V Ducted Mini Split AC Concealed Duct Heat Pump

Cooper & Hunter 18,000 BTU Mini Split Air Conditioner & Heat Pump Experience year-round comfort with the Cooper & Hunter Sophia Series 18,000 BTU Mini Split Air Conditioner and Heat...
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$2,155.68
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
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 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
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
Air conditioning system for the 24,000 BTU Cooper & Hunter Concealed Duct Mini Split Heat Pump
Cooper & Hunter

24,000 BTU 230V Ducted Mini Split AC Concealed Duct Heat Pump

Stay Comfortable Year-Round with the Cooper & Hunter 24,000 BTU Mini Split System Introducing the Cooper & Hunter 24,000 BTU Concealed Duct Mini Split Air Conditioner and Heat Pump, a...
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$2,580.48
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
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
R454B
HVAC system components of Cooper & Hunter 3 Zone 36k BTU tri zone slim concealed duct mini split ac
Cooper & Hunter

3 Zone 36,000 BTU Ducted Mini Split AC Concealed Duct 9k+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
R454B
HVAC system with indoor units outdoor unit and accessories for Tri Zone Slim Concealed Duct AC
Cooper & Hunter

3 Zone 36,000 BTU Ducted Mini Split AC Concealed Duct 9k+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 TO...
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$6,163.00
R454B
HVAC system with indoor units outdoor unit and accessories for Cooper & Hunter tri zone slim concealed duct AC
Cooper & Hunter

3 Zone 36,000 BTU Ducted Mini Split AC Concealed Duct 9k+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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$6,019.00
R454B
HVAC system with indoor units outdoor unit and accessories for Cooper & Hunter tri zone slim concealed duct mini split
Cooper & Hunter

3 Zone 36,000 BTU Ducted Mini Split AC Concealed Duct 9k+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 TO...
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$6,481.00
R454B
Concealed duct tri zone slim mini split AC by Cooper & Hunter for multi-zone cooling
Cooper & Hunter

3 Zone 48,000 BTU Ducted Mini Split AC Concealed Duct 12k+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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$7,482.00
R454B
Multi-zone mini-split air conditioning with concealed duct from Cooper & Hunter Tri Zone Slim
Cooper & Hunter

3 Zone 48,000 BTU Ducted Mini Split AC Concealed Duct 12k+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 TO...
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$7,164.00
R454B
Multi-zone mini split AC with concealed duct from Cooper & Hunter tri zone slim system
Cooper & Hunter

3 Zone 48,000 BTU Ducted Mini Split AC Concealed Duct 12k+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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$7,626.00
R454B
Cooper & Hunter tri zone slim concealed duct mini split AC for whole home cool comfort
Cooper & Hunter

3 Zone 48,000 BTU Ducted Mini Split AC Concealed Duct 18k+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 TO...
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$7,308.00
R454B
Multi-zone mini-split air conditioning system with concealed duct by Cooper & Hunter tri zone slim design
Cooper & Hunter

3 Zone 48,000 BTU Ducted Mini Split AC Concealed Duct 18k+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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$7,770.00
R454B
Multi-zone mini-split AC with concealed duct by Cooper & Hunter tri zone slim system
Cooper & Hunter

3 Zone 48,000 BTU Ducted Mini Split AC Concealed Duct 9k+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 TO...
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$7,508.00
R454B
Mini split AC with concealed duct and tri zone slim design by Cooper & Hunter
Cooper & Hunter

3 Zone 48,000 BTU Ducted Mini Split AC Concealed Duct 9k+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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$7,626.00
R454B
Air conditioning system of Cooper & Hunter Sophia Series 12,000 BTU concealed duct mini split
Cooper & Hunter

36,000 BTU 230V Ducted Mini Split AC Light Commercial Concealed Duct Heat Pump

  INSTALLATION KIT IS OPTIONAL FOR SINGLE ZONE SYSTEMS. WE OFFER 25FT, AND 50FT INSTALLATION KITS INCLUDED IN YOUR ORDER:    Cooper & Hunter Single Zone Ductless Mini Split System 36,000...
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$3,838.12
R454B
Multi-zone concealed duct mini split by Cooper & Hunter, quad zone slim duct system
Cooper & Hunter

4 Zone 36,000 BTU Ducted Mini Split AC Concealed Duct 12k+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 TO...
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$6,843.00
R454B
HVAC system with multiple indoor units, 4 Zone 36,000 BTU Cooper & Hunter concealed duct mini split quad zone slim duct
Cooper & Hunter

4 Zone 36,000 BTU Ducted Mini Split AC Concealed Duct 9k+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 TO...
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$6,817.00
R454B
HVAC system with multiple indoor units in Cooper & Hunter quad zone slim duct concealed duct mini split
Cooper & Hunter

4 Zone 36,000 BTU Ducted Mini Split AC Concealed Duct 9k+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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$6,791.00
R454B
HVAC system with multiple indoor units in a Cooper & Hunter quad zone slim duct concealed duct mini split ac setup
Cooper & Hunter

4 Zone 36,000 BTU Ducted Mini Split AC Concealed Duct 9k+9k+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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$6,931.00
R454B
HVAC system components for Cooper & Hunter 4 Zone 36K BTU concealed duct mini split
Cooper & Hunter

4 Zone 36,000 BTU Ducted Mini Split AC Concealed Duct 9k+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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$6,787.00
R454B
HVAC system with multiple indoor units for quad zone slim duct cooled by Cooper & Hunter
Cooper & Hunter

4 Zone 36,000 BTU Ducted Mini Split AC Concealed Duct 9k+9k+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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$6,931.00
R454B
HVAC with multiple indoor units for 4 Zone 36,000 BTU Concealed Duct Mini AC by Cooper & Hunter
Cooper & Hunter

4 Zone 36,000 BTU Ducted Mini Split AC Concealed Duct 9k+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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$5,057.00
R454B
Multi-zone mini-split air conditioning system with concealed duct mini from Cooper & Hunter
Cooper & Hunter

4 Zone 48,000 BTU Ducted Mini Split AC Concealed Duct 12k+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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$7,932.00
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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.