Model
Kinghome KHWA09IN
Rank #125 means 124 of the 404 room air conditioner models we track cost less to run each year; the 69th efficiency percentile means it uses less energy for its size than 69% of those models.
What does the Kinghome KHWA09IN cost to run per year?
Ranking #125 of 404, the Kinghome KHWA09IN is in the cheaper half of its class to run, at about $86 a year. It uses 54% less energy than the U.S. federal standard model in its class, which would cost about $186/yr to run, a saving of roughly $100 a year. Normalized for capacity, it beats 69% of room air conditioner models we track, a better-than-average efficiency result. The CEER figure of 15.1 on this model captures combined energy efficiency ratio, the main efficiency lever ENERGY STAR tracks for this class.
Immediately around it on the leaderboard, the Gree GJH09BW-A6DRNL1A at $86/yr runs a little cheaper and the Ge PWJV10W**# at $87/yr runs a little more, a sense of how tightly models are packed at this point in the ranking. A room air conditioner typically stays in service for somewhere around 10 years; over that span, the Kinghome KHWA09IN's $86/yr adds up to roughly $860 in electricity alone, before purchase price or repairs.
Also sold as: Gree GJH09BW-A6DRNL1A.
By the numbers
The Kinghome KHWA09IN normalized against its whole class, so each figure means something.
What it costs you over time
Running cost is an every-year number, so it compounds. At $86/yr, here is what the Kinghome KHWA09IN adds up to before purchase price, water, or repairs enter the math.
Left running for a decade at today's US average rate, the Kinghome KHWA09IN costs about $860. That is roughly $1000 less than a standard model in its class, which would run closer to $1860 over the same ten years.
How the Kinghome KHWA09IN compares
The room air conditioner class we track runs from $51 to $389 a year. At $86/yr, it runs about $13 a year cheaper than the class median of $99, and it is about $35 a year more than the cheapest room air conditioner to run at $51. Against the US federal standard model for its class at about $186/yr, the Kinghome KHWA09IN uses 54% less energy.
What drives its running cost
At 9300 BTU/hr, the Kinghome KHWA09IN is a small room air conditioner for its class, which spans 5000 to 34100 BTU/hr with a median of 10100 BTU/hr, at the small end of the class, capacity itself is doing a lot of the work to keep that figure down, separate from how efficient the unit actually is. The CEER of 15.1 on this model, above the class median of 15, measures combined energy efficiency ratio; it is the number to compare directly against another model's CEER if capacity is similar.
- Combined Energy Efficiency Ratio (CEER). CEER captures cooling output per watt, including standby power; a higher CEER means less electricity for the same BTU of cooling.
- BTU cooling capacity. A higher-BTU unit is sized for a bigger room and generally uses more electricity per hour of operation than a smaller unit, regardless of efficiency.
- Thermostat and mode usage. Running on a fixed low temperature around the clock uses far more energy than using a thermostat setting, eco mode, or a timer to match cooling to when the room is actually occupied.
Common questions
Is the Kinghome KHWA09IN cheap to run?
Yes, relatively. At $86 a year it ranks #125 of 404 room air conditioner models we track, in the cheaper part of its class to run.
How much does the Kinghome KHWA09IN cost per month?
Roughly $7.14/mo, spreading the $86/yr estimate evenly across twelve months at $0.1856/kWh. Actual monthly bills swing with your rate and usage pattern.
How is this running-cost figure calculated?
We take the model's published annual energy use of 462 kWh from ENERGY STAR and multiply it by the US average residential electricity rate of $0.1856/kWh, giving about $86 a year. It is an electricity-only estimate and does not include purchase price, water, or installation.
How efficient is the Kinghome KHWA09IN for its size?
69th percentile once size is factored in, a fairly typical result for the class.
Cheaper to run in the same class
Source
ES_1105164_KHWA09IN_07252025115409_80258695View certified room air conditioner listingsENERGY STAR data as of July 2026Kinghome and KHWA09IN are used here for identification only and are not endorsements. Figures are computed by WattWise Labs from public ENERGY STAR data, not measured in our own lab.