New Zealand · costs in NZD
Cooling only split system air conditioner
Lennox TSA048S41-1 Heat Pump
Lennox TSA048S41-1 is a 11.4 kW cooling only ducted split system heat pump registered for sale in New Zealand under the trans-Tasman E3 energy rating scheme (registration AAC6331).
- Energy rating (cooling)
- 1.5
- Annual electricity use
- 958 kWh
- Estimated running cost
- $316 / year
- $26 / month · $3,161 over 10 years
- Capacity
- 11.4 kW cooling
Only 4 comparable registrations in this cohort, so no percentile is shown.
Across all 3,612 air conditioner registrations sold in Australia, it uses less than 89% (this compares very different sizes, so the cohort figure above is the useful one).
Annual kWh is the government label figure for a residential user in the cold zone (Canberra climate: Canberra, Hobart, Ballarat, alpine areas). All of New Zealand is the cold zone on the Zoned Energy Rating Label. Cost = kWh × 33c/kWh in NZD; change the price above to your tariff.
Lennox TSA048S41-1 running cost by climate zone
| Climate zone | kWh / year | Per year | 10 years |
|---|---|---|---|
| Cold zone | 958 | $316 | $3,161 |
| Mixed zone | 1,416 | $467 | $4,673 |
| Hot zone | 3,942 | $1,301 | $13,009 |
At 33c/kWh. Formula: cost = annual kWh × price. The kWh figure is the label’s residential estimate for that zone; commercial-profile figures are in the specifications.
Heat pumps that use less electricity
Same configuration and type, cooling capacity within 12% of 11.4 kW, at least 3% lower annual kWh in the cold zone.
| Model | Stars | Est. cost / yr | Compare |
|---|---|---|---|
| Bonaire CRC6940012/CRC694011212 kW cooling640 kWh/yr | 3.5 | $211 | |
| Lennox TSA036S41-110.3 kW cooling898 kWh/yr | 1 | $296 | |
| Lennox TSA036S41-1/CH33-36B-2F-310.3 kW cooling898 kWh/yr | 1 | $296 |
Heat pumps similar to the Lennox TSA048S41-1
Technically comparable registrations: same configuration and type, capacity within 12%.
| Model | Stars | Est. cost / yr | Compare |
|---|---|---|---|
| Braemar KCHV125D1B/KACV125D1S11.2 kW cooling958 kWh/yr | 1.5 | $316 | |
| Bonaire CRC6940012/CRC694011212 kW cooling640 kWh/yr | 3.5 | $211 | |
| Actron Air CCA130S / EAA130S12.2 kW cooling934 kWh/yr | 2 | $308 | |
| Braemar KCHV140D1B/KACV140D1S12.7 kW cooling1,096 kWh/yr | 1.5 | $362 |
Other Lennox models of similar capacity
| Model | Stars | Est. cost / yr | Compare |
|---|---|---|---|
| Lennox TSA036S41-110.3 kW cooling898 kWh/yr | 1 | $296 | |
| Lennox TSA036S4N42T/CH33-36B-2F-310.3 kW cooling898 kWh/yr | 1 | $296 |
Compare TSA048S41-1 with another model
Lennox TSA048S41-1 specifications
- Type
- Cooling only
- Configuration
- Split system
- Air distribution
- Ducted
- Indoor unit
- –
- Rated cooling capacity (35 °C)
- 11.42 kW
- Cooling power input
- 3.08 kW
- Rated heating capacity (7 °C)
- –
- Heating power input
- –
- EER, full load (tested)
- 3.60
- COP, full load (tested)
- –
- Rated AEER
- 3.57
- Rated ACOP
- –
- Standby power (PIA)
- 36.3 W
- Compressor
- Fixed speed
- Refrigerant
- R410A
- Power supply
- Single phase
- Indoor sound power
- –
- Outdoor sound power
- 80 dB(A)
- Demand response (AS/NZS 4755)
- No
- Country of manufacture
- United States of America
Dimensions are not collected for registrations under the 2019 Determination, so they are shown only where the source has them.
Lennox TSA048S41-1 zoned energy rating figures
As published for each climate zone. Residential figures drive the star ratings; commercial figures assume a commercial usage pattern.
| Zone | Profile | Cooling stars | Heating stars | Cooling kWh | Heating kWh |
|---|---|---|---|---|---|
| Coldcommercial | commercial | – | – | 2,072 | – |
| Coldresidential | residential | 1.5 | – | 958 | – |
| Mixedcommercial | commercial | – | – | 2,533 | – |
| Mixedresidential | residential | 1.5 | – | 1,416 | – |
| Hotcommercial | commercial | – | – | 5,361 | – |
| Hotresidential | residential | 2.0 | – | 3,942 | – |
Part-load test points (1 values)
- c__low_temp_have_full_cap_results
- No
Other model numbers on registration AAC6331
Registered together and sharing the same test results. Usually variants of the same unit.
New Zealand E3 registration details
- Registration number
- AAC6331
- GEMS registration id
- 142621
- Status
- approved, available (self-reported)
- Registration expires
- 3 November 2026
- Registered for sale in
- Australia, New Zealand
- Family
- TSA048S41-1
- Regulatory standard
- [SEER Non Multi-Split <=65kW] GEMS (Air Conditioners up to 65kW) Determination 2019
- Test standard
- AS/NZS 3823.1.2:2012
- MEPS
- 2019
- Product class
- Class 11
Source: E3 programme registration data (EECA, New Zealand) (trans-Tasman E3 registration data published by DCCEEW on data.gov.au, CC BY 3.0 AU). Dataset published 25 September 2026; last checked 26 September 2026. Manufacturer: lennox.com. How the derived figures are calculated.