R454B Refrigerant 21 Seer - Page 3
Filter and sort
104 of 4176 products
Sold out 
SEER221 Heats & coolsOLMO Sierra 42,000 BTU 4-Zone 9k+9k+9k+12k Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFree Gift Included- Cooling CapacityCooling
- 42,000 BTU
- ZonesZones
- 4
- CoverageArea, sq ft
- 1800-2400 sq ft
- VoltageVolts
- 230V
$3,619.50From $3,257.55Save $361.95 (10% off) /Sold out
SEER221 Heats & coolsOLMO Sierra 42,000 BTU 4-Zone 9k+9k+12k+12k Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFree Gift Included- Cooling CapacityCooling
- 42,000 BTU
- ZonesZones
- 4
- CoverageArea, sq ft
- 1800-2400 sq ft
- VoltageVolts
- 230V
$3,627.00From $3,264.30Save $362.70 (10% off) /Sold out
SEER221 Heats & coolsOLMO Sierra 42,000 BTU 4-Zone 9k+12k+12k+12k Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFree Gift Included- Cooling CapacityCooling
- 42,000 BTU
- ZonesZones
- 4
- CoverageArea, sq ft
- 1800-2400 sq ft
- VoltageVolts
- 230V
$3,634.50From $3,271.05Save $363.45 (10% off) /Sold out
SEER221 Heats & coolsOLMO 42,000 BTU 4-Zone 12k+12k+12k+12k Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFree Gift Included- Cooling CapacityCooling
- 42,000 BTU
- ZonesZones
- 4
- CoverageArea, sq ft
- 1800-2400 sq ft
- VoltageVolts
- 230V
$3,642.00From $3,277.80Save $364.20 (10% off) /Sold out
SEER221 Heats & coolsOLMO Sierra 42,000 BTU 3-Zone 18k+18k+24k Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFree Gift Included- Cooling CapacityCooling
- 42,000 BTU
- ZonesZones
- 3
- CoverageArea, sq ft
- 1800-2400 sq ft
- VoltageVolts
- 230V
$3,643.50From $3,279.15Save $364.35 (10% off) /Sold out
SEER221 Heats & coolsOLMO Sierra 42,000 BTU 4-Zone 9k+9k+9k+18k Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFree Gift Included- Cooling CapacityCooling
- 42,000 BTU
- ZonesZones
- 4
- CoverageArea, sq ft
- 1800-2400 sq ft
- VoltageVolts
- 230V
$3,694.50From $3,325.05Save $369.45 (10% off) /Sold out
SEER221 Heats & coolsOLMO Sierra 42,000 BTU 4-Zone 9k+9k+12k+18k Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFree Gift Included- Cooling CapacityCooling
- 42,000 BTU
- ZonesZones
- 4
- CoverageArea, sq ft
- 1800-2400 sq ft
- VoltageVolts
- 230V
$3,702.00From $3,331.80Save $370.20 (10% off) /Sold out
SEER221 Heats & coolsOLMO Sierra 42,000 BTU 4-Zone 9k+12k+12k+18k Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFree Gift Included- Cooling CapacityCooling
- 42,000 BTU
- ZonesZones
- 4
- CoverageArea, sq ft
- 1800-2400 sq ft
- VoltageVolts
- 230V
$3,709.50From $3,338.55Save $370.95 (10% off) /Sold out
SEER221 Heats & coolsOLMO 42,000 BTU 4-Zone 12k+12k+12k+18k Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFree Gift Included- Cooling CapacityCooling
- 42,000 BTU
- ZonesZones
- 4
- CoverageArea, sq ft
- 1800-2400 sq ft
- VoltageVolts
- 230V
$3,717.00From $3,345.30Save $371.70 (10% off) /Sold out
SEER221 Heats & coolsOLMO Sierra 42,000 BTU 4-Zone 9k+9k+9k+24k Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFree Gift Included- Cooling CapacityCooling
- 42,000 BTU
- ZonesZones
- 4
- CoverageArea, sq ft
- 1800-2400 sq ft
- VoltageVolts
- 230V
$3,739.50From $3,365.55Save $373.95 (10% off) /Sold out
SEER221 Heats & coolsOLMO Sierra 42,000 BTU 4-Zone 9k+9k+12k+24k Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFree Gift Included- Cooling CapacityCooling
- 42,000 BTU
- ZonesZones
- 4
- CoverageArea, sq ft
- 1800-2400 sq ft
- VoltageVolts
- 230V
$3,747.00From $3,372.30Save $374.70 (10% off) /Sold out
SEER221 Heats & coolsOLMO Sierra 42,000 BTU 4-Zone 9k+12k+12k+24k Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFree Gift Included- Cooling CapacityCooling
- 42,000 BTU
- ZonesZones
- 4
- CoverageArea, sq ft
- 1800-2400 sq ft
- VoltageVolts
- 230V
$3,754.50From $3,379.05Save $375.45 (10% off) /Sold out
SEER221 Heats & coolsOLMO 42,000 BTU 4-Zone 12k+12k+12k+24k Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFree Gift Included- Cooling CapacityCooling
- 42,000 BTU
- ZonesZones
- 4
- CoverageArea, sq ft
- 1800-2400 sq ft
- VoltageVolts
- 230V
$3,762.00From $3,385.80Save $376.20 (10% off) /Sold out
SEER221 Heats & coolsOLMO Sierra 42,000 BTU 4-Zone 9k+9k+18k+18k Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFree Gift Included- Cooling CapacityCooling
- 42,000 BTU
- ZonesZones
- 4
- CoverageArea, sq ft
- 1800-2400 sq ft
- VoltageVolts
- 230V
$3,777.00From $3,399.30Save $377.70 (10% off) /Sold out
SEER221 Heats & coolsOLMO Sierra 42,000 BTU 4-Zone 9k+12k+18k+18k Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFree Gift Included- Cooling CapacityCooling
- 42,000 BTU
- ZonesZones
- 4
- CoverageArea, sq ft
- 1800-2400 sq ft
- VoltageVolts
- 230V
$3,784.50From $3,406.05Save $378.45 (10% off) /Sold out
SEER221 Heats & coolsOLMO 42,000 BTU 4-Zone 12k+12k+18k+18k Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFree Gift Included- Cooling CapacityCooling
- 42,000 BTU
- ZonesZones
- 4
- CoverageArea, sq ft
- 1800-2400 sq ft
- VoltageVolts
- 230V
$3,792.00From $3,412.80Save $379.20 (10% off) /Sold out
SEER221 Heats & coolsOLMO Sierra 42,000 BTU 4-Zone 9k+9k+18k+24k Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFree Gift Included- Cooling CapacityCooling
- 42,000 BTU
- ZonesZones
- 4
- CoverageArea, sq ft
- 1800-2400 sq ft
- VoltageVolts
- 230V
$3,822.00From $3,439.80Save $382.20 (10% off) /Sold out
SEER221 Heats & coolsOLMO Sierra 42,000 BTU 4-Zone 9k+12k+18k+24k Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFree Gift Included- Cooling CapacityCooling
- 42,000 BTU
- ZonesZones
- 4
- CoverageArea, sq ft
- 1800-2400 sq ft
- VoltageVolts
- 230V
$3,829.50From $3,446.55Save $382.95 (10% off) /Sold out
SEER221 Heats & coolsOLMO Sierra 42,000 BTU 4-Zone 9k+18k+18k+18k Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFree Gift Included- Cooling CapacityCooling
- 42,000 BTU
- ZonesZones
- 4
- CoverageArea, sq ft
- 1800-2400 sq ft
- VoltageVolts
- 230V
$3,859.50From $3,473.55Save $385.95 (10% off) /Sold out
SEER221 Heats & coolsOLMO Sierra 42,000 BTU 5-Zone 9k+9k+9k+9k+9k Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFree Gift Included- Cooling CapacityCooling
- 42,000 BTU
- ZonesZones
- 5
- CoverageArea, sq ft
- 1800-2400 sq ft
- VoltageVolts
- 230V
$3,873.00From $3,485.70Save $387.30 (10% off) /Sold out
SEER221 Heats & coolsOLMO Sierra 42,000 BTU 5-Zone 9k+9k+9k+9k+12k Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFree Gift Included- Cooling CapacityCooling
- 42,000 BTU
- ZonesZones
- 5
- CoverageArea, sq ft
- 1800-2400 sq ft
- VoltageVolts
- 230V
$3,880.50From $3,492.45Save $388.05 (10% off) /Sold out
SEER221 Heats & coolsOLMO Sierra 42,000 BTU 5-Zone 9k+9k+9k+12k+12k Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFree Gift Included- Cooling CapacityCooling
- 42,000 BTU
- ZonesZones
- 5
- CoverageArea, sq ft
- 1800-2400 sq ft
- VoltageVolts
- 230V
$3,888.00From $3,499.20Save $388.80 (10% off) /Sold out
SEER221 Heats & coolsOLMO Sierra 42,000 BTU 5-Zone 9k+9k+12k+12k+12k Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFree Gift Included- Cooling CapacityCooling
- 42,000 BTU
- ZonesZones
- 5
- CoverageArea, sq ft
- 1800-2400 sq ft
- VoltageVolts
- 230V
$3,895.50From $3,505.95Save $389.55 (10% off) /Sold out
SEER221 Heats & coolsOLMO Sierra 42,000 BTU 5-Zone 9k+12k+12k+12k+12k Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFree Gift Included- Cooling CapacityCooling
- 42,000 BTU
- ZonesZones
- 5
- CoverageArea, sq ft
- 1800-2400 sq ft
- VoltageVolts
- 230V
$3,903.00From $3,512.70Save $390.30 (10% off) /Sold out
SEER221 Heats & coolsOLMO 42,000 BTU 5-Zone 12k+12k+12k+12k+12k Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFree Gift Included- Cooling CapacityCooling
- 42,000 BTU
- ZonesZones
- 5
- CoverageArea, sq ft
- 1800-2400 sq ft
- VoltageVolts
- 230V
$3,910.50From $3,519.45Save $391.05 (10% off) /Sold out
SEER221 Heats & coolsOLMO Sierra 42,000 BTU 5-Zone 9k+9k+9k+9k+18k Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFree Gift Included- Cooling CapacityCooling
- 42,000 BTU
- ZonesZones
- 5
- CoverageArea, sq ft
- 1800-2400 sq ft
- VoltageVolts
- 230V
$3,955.50From $3,559.95Save $395.55 (10% off) /Sold out
SEER221 Heats & coolsOLMO Sierra 42,000 BTU 5-Zone 9k+9k+9k+12k+18k Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFree Gift Included- Cooling CapacityCooling
- 42,000 BTU
- ZonesZones
- 5
- CoverageArea, sq ft
- 1800-2400 sq ft
- VoltageVolts
- 230V
$3,963.00From $3,566.70Save $396.30 (10% off) /Sold out
SEER221 Heats & coolsOLMO Sierra 42,000 BTU 5-Zone 9k+9k+12k+12k+18k Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFree Gift Included- Cooling CapacityCooling
- 42,000 BTU
- ZonesZones
- 5
- CoverageArea, sq ft
- 1800-2400 sq ft
- VoltageVolts
- 230V
$3,970.50From $3,573.45Save $397.05 (10% off) /Sold out
SEER221 Heats & coolsOLMO Sierra 42,000 BTU 5-Zone 9k+12k+12k+12k+18k Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFree Gift Included- Cooling CapacityCooling
- 42,000 BTU
- ZonesZones
- 5
- CoverageArea, sq ft
- 1800-2400 sq ft
- VoltageVolts
- 230V
$3,978.00From $3,580.20Save $397.80 (10% off) /Sold out
SEER221 Heats & coolsOLMO Sierra 42,000 BTU 5-Zone 9k+9k+9k+9k+24k Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFree Gift Included- Cooling CapacityCooling
- 42,000 BTU
- ZonesZones
- 5
- CoverageArea, sq ft
- 1800-2400 sq ft
- VoltageVolts
- 230V
$4,000.50From $3,600.45Save $400.05 (10% off) /Sold out
SEER221 Heats & coolsOLMO Sierra 42,000 BTU 5-Zone 9k+9k+9k+12k+24k Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFree Gift Included- Cooling CapacityCooling
- 42,000 BTU
- ZonesZones
- 5
- CoverageArea, sq ft
- 1800-2400 sq ft
- VoltageVolts
- 230V
$4,008.00From $3,607.20Save $400.80 (10% off) /Sold out
SEER221 Heats & coolsOLMO Sierra 42,000 BTU 5-Zone 9k+9k+9k+18k+18k Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFree Gift Included- Cooling CapacityCooling
- 42,000 BTU
- ZonesZones
- 5
- CoverageArea, sq ft
- 1800-2400 sq ft
- VoltageVolts
- 230V
$4,038.00From $3,634.20Save $403.80 (10% off) /
Latest News
Guides & articles for this category
R-410A Today: Proven, In-Stock HVAC vs New R-454B
R-410A vs R-454B: What U.S. HVAC Buyers Need to Know in 2025 As of 2025, MiniSplitsForLess.com still offers reliable, in-stock R-410A units from Cooper &a...
Read article →
R‑454B Refrigerant: Your Latest and Future‑Proof Choice for Mini‑Splits
Choose a 2025‑ready R‑454B system, verify your installer’s A2L certification, and you’ll sidestep the refrigerant scramble while cutting your AC’s climate fo...
Read article →
