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Air Conditioners (all)
See all products
Air Conditioning for Single Room
Residential Mini-Split Systems
H300
H500
H700
Wall Mounted Air Conditioning
Cassette Air Conditioning
M400 Cassette
Ducted Air Conditioning
M400 Ducted
Floor Standing Air Conditioning
M400 Floor
See all products
AC for Multiple Rooms
Mini VRF Systems
Set Free Mini
air365 Hybrid
Multi-Split
M400 Multi-Zone
See all products
Apps and Controllers
Split Controllers
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Wired Zone Controllers
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Apps
airCloud Go
See all products
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Commercial Air Conditioners & VRF Systems
See all products
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4-Way Cassette
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Water Source VRF
Water Source VRF
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Dedicated Outside Air System (DOAS)
All Fresh Air Unit
See all products
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Advanced Color Controller (CIW03-H)
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Hitachi
Definition of key concepts on heat pumps and air conditioning
–
Definition of key concepts on heat pumps and air conditioning
We help you to have a cleared idea of what aerothermal energy is, ducted units or air conditioning concepts that you did not know yet
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
A
Air Handling Unit (AHU)
Air-source heat pump
Airflow
Auto-restart in AC
AutoBoost
B
BTU (British Thermal Unit)
C
COP (Coefficient of Performance)
E
EER (Energy Efficiency Ratio)
Energy Cost Estimator
F
Fan operation (fan mode)
Fan speed
Filter sign
FrostWash™
H
Heat Pump type
HVAC
L
Louver direction (also known as: louver swing, louver position)
Low-energy heating
O
Operation mode
P
Packaged unit
Powerful mode
Pre-filter (also referred to as: Main filter, Primary filter)
Programmable thermostat
R
Refrigerant
S
Scroll Compressor
SEER (Seasonal Energy Efficiency Ratio)
Silent mode
SleepSense function (previously called ‘Air Sleep’ or ‘iSense’)
Sound Pressure Level
T
Total cooling or heating capacity
V
Voltage surge protection
VRF
W
Wired controller
Wireless AC controller