Mass Save AHRI details

LG KUSXA422A

ENERGY STAR Certified · Mass Save Eligible HP - Mini or Multi Split

Mass Save rebate eligible

Mass Save® rebates for this qualified system

Green Flow Solution can help confirm the equipment match, project eligibility, utility requirements, and rebate paperwork before installation or replacement.

Claim your rebates today
Mass Save Heat Pump Leader logo

Brand and components

Indoor, outdoor, and system model details

Outdoor unit brandLG
Outdoor unit modelKUSXA422A
Indoor unit brandLG
Indoor unit modelsKNSLB421A
Model nameKUSXA422A
Model numberKUSXA422A

Performance specs

Capacity and efficiency

Cooling Capacity (BTUH)
42000
Heating Capacity 47F (BTUH)
46000
Heating Capacity 17F (BTUH)
29800
Heating Capacity 5F (BTUH)
46000
Seer2
19.00
HSPF2 Region IV
9.80
EER2 AFull 95F
12.50
COP at 5F
2.00
Refrigerant Type
R-32

Eligibility

Rebates and certifications

Mass Save QPL
Yes
ENERGY STAR Certified
Yes
ENERGY STAR Cold Climate Certified
Yes

Explore your options

Similar systems to compare

Scroll horizontally or use the arrow keys to explore.

Higher SEER2

TOSHIBA CARRIER

Mini / multi-split heat pump

RAV-BP421AT2P-UL — TOSHIBA CARRIER AHRI 216415467

AHRI 216415467

Indoor model / pattern
RAV-HB421UTP-UL
Cooling · BTU/h
42,000
SEER2
22.60
HSPF2
11.20

Cooling capacity (listed) · HSPF2 Region IV

Same cooling capacitySimilar cooling capacity.Higher SEER2: 22.60 vs. 19.00
  • Different refrigerant: R-454B (current: R-32).
  • Lower heating capacity at 47°F: 42,000 BTU/h.
  • Lower heating capacity at 5°F: 33,400 BTU/h.
View AHRI
Higher SEER2

Rheem

Mini / multi-split heat pump

FPHFR48A3D — Rheem AHRI 217107003

AHRI 217107003

Indoor model / pattern
FPHSD48A3D
Cooling · BTU/h
44,000
SEER2
19.50
HSPF2
9.50

Cooling capacity (listed) · HSPF2 Region IV

Cooling capacity +4.8%Similar cooling capacity.Lower HSPF2 (Region IV): 9.50 vs. 9.80
  • Different refrigerant: R-454B (current: R-32).
View AHRI
Higher SEER2

Mitsubishi Electric

Mini / multi-split heat pump

PUZ-AK42NLHZ*** — Mitsubishi Electric AHRI 215712219

AHRI 215712219

Indoor model / pattern
PLA-AE42NL***
Cooling · BTU/h
42,000
SEER2
20.00
HSPF2
9.20

Cooling capacity (listed) · HSPF2 Region IV

Same cooling capacitySimilar cooling capacity.Lower HSPF2 (Region IV): 9.20 vs. 9.80
  • Different refrigerant: R-454B (current: R-32).
View AHRI
Higher SEER2

Mitsubishi Electric

Mini / multi-split heat pump

PUZ-AK42NL*** — Mitsubishi Electric AHRI 215712232

AHRI 215712232

Indoor model / pattern
PVA-AA42NL***
Cooling · BTU/h
42,000
SEER2
19.10
HSPF2
9.40

Cooling capacity (listed) · HSPF2 Region IV

Same cooling capacitySimilar cooling capacity.Lower HSPF2 (Region IV): 9.40 vs. 9.80
  • Different refrigerant: R-454B (current: R-32).
  • Lower heating capacity at 5°F: 25,400 BTU/h.
View AHRI
Higher SEER2

Ruud

Mini / multi-split heat pump

FPHFR48A3D — Ruud AHRI 217107007

AHRI 217107007

Indoor model / pattern
FPHSD48A3D
Cooling · BTU/h
44,000
SEER2
19.50
HSPF2
9.50

Cooling capacity (listed) · HSPF2 Region IV

Cooling capacity +4.8%Similar cooling capacity.Lower HSPF2 (Region IV): 9.50 vs. 9.80
  • Different refrigerant: R-454B (current: R-32).
View AHRI
Higher SEER2

Fujitsu

Mini / multi-split heat pump

AOUH42KUAH1 — Fujitsu AHRI 217895714

AHRI 217895714

Indoor model / pattern
ARUH42KUAS
Cooling · BTU/h
42,000
SEER2
19.50
HSPF2
10.20

Cooling capacity (listed) · HSPF2 Region IV

Same cooling capacitySimilar cooling capacity.Higher SEER2: 19.50 vs. 19.00
View AHRI

Side by side

See the differences

Your current system and up to two alternatives. Scroll the table to see every system.

Comparison does not confirm installation compatibility, availability, or current incentive eligibility. Unknown and qualified source values are not treated as zero.

Our Services

Showing services from our catalog

Brands We Service

Popular cities

Service Areas