8.6 kWCarrier QSH High Static 8.6kW Ducted System
The 8.6kW Carrier QSH High Static Ducted (indoor 42QSH090D8S) is rated at 8.6kW cooling and sized for typical three-bedroom single-storey homes. As a guide it covers roughly 57 to 69m² of conditioned floor area, depending on zoning, insulation and ceiling height. It runs R32 refrigerant and carries Carrier’s 7 year residential parts and labour warranty. It is the smallest unit in the QSH series. For more bedrooms or a larger floor plan, the 10.05kW is the next step up.
Part of the Carrier QSH High Static Ducted range, Carrier's ducted system line, in 5 sizes. Running costs below use the Sydney median rate; the Eastern Suburbs and Western Sydney pages cost systems on their own network tariffs. Check the size against your rooms, compare it with other 8.6 kW options, or ask about supply and installation.
About $641 a year at the current Sydney median electricity rate: $230 of cooling plus $411 of heating, from the official GEMS test figures.
The Carrier QSH High Static 8.6kW uses 695 kWh per year for cooling and 1241 kWh per year for heating, based on official GEMS test data for Sydney's climate zone. The system carries a 3.5 star energy rating for cooling and 2.5 stars for heating under the zoned energy label.
The unit has a rated cooling efficiency (AEER) of 3.32 and heating efficiency (ACOP) of 3.88. It uses R32 refrigerant. Your actual running costs depend on how often you run the system and your local electricity rate.
Source: Australian GEMS registry · median of 170 Sydney residential tariffs, including GST · Refreshed monthly · Last updated October 2026
Specifications
From the manufacturer’s published range data. We confirm the exact configuration when we quote.
About the Carrier QSH High Static Ducted range| Brand | Carrier |
|---|---|
| Model | 42QSH090D8S |
| Series | Carrier QSH High Static Ducted |
| System type | Ducted System |
| Capacity | 8.6 kW |
| Refrigerant | R32 |
| ESP (rated/max) | up to 50 / 200 Pa |
| Power supply | 220-240V single phase |
| Warranty | 7 year parts & labour (residential) |
