T-4A1a-TE-8 - Energy efficient AC in multi-family buildings
Background¶
IPCC WG3 definition: .
Inverter air conditioners use a variable speed compressor instead of the fixed-speed compressor found in traditional models. A fixed-speed compressor operates at a constant speed, either running at full capacity or completely shutting off. On the other hand, an inverter compressor can adjust its speed and capacity based on the cooling load. This allows the inverter air conditioner to modulate its cooling output and match it precisely to the required cooling demand, resulting in better energy efficiency. Other advantages of this technology are: precise temperature control, quick cooling, and startup time, enhanced comfort, quieter operation and longer lifespan.
Sustainability Category: Green¶
This transition element substantially contributes to climate change mitigation through significant greenhouse gas reductions, carbon sequestration, or enabling the transition to net-zero emissions. The transition element aligns with science-based pathways to limit global warming and should be prioritized for investment and expansion.
Transition Element¶
| | |
|---|---|
| Shift type: | Efficiency Shift |
| Operations: | m2 |
| Activity measure: | m2 |
| Activity conversion: | 1 |
Activities¶
| | Improves: |
|---|---|
 |
T-4A1a-A-11 - Residential blocks cooled with AC |
Parameters¶
| Parameter | Unit | Description |
|---|---|---|
| energy_intensity_cooling_residential_multi_family_buildings_ac | kwh_m2 | Energy intensity AC cooled multi-family houses |
| multi_family_ac_efficiency_improvement_factor | percent | Energy efficiency savings factor for AC in residential buildings |
YAML Specification¶
sustainability: green
version: 2.0.0
type: update
longName: Upgrade AC in multi-family buildings to reduce electricity use
shortName: Efficient multi-family AC
description: Reduce the amount of energy required to cool multi family buildings with
AC through more efficient AC units
weightInversionExpression:
expression: ((1 / ( unknown_x / %[0] )) - 1) / %[1]
variables:
- energy_intensity_cooling_residential_multi_family_buildings_ac
- multi_family_ac_efficiency_improvement_factor
unitOfMeasure: m2
cohort:
expression: '1'
variablesToUpdate:
- update: energy_intensity_cooling_residential_multi_family_buildings_ac
type: EFFICIENCY_IMPROVEMENT
by:
expression: '%[0]'
variables:
- multi_family_ac_efficiency_improvement_factor
carbonCausalChains:
atoc:
expression: '1'
chains:
- chain: multi_family_building_cooling_with_ac