Model

Perfect Aire 1PACV8000

Rank #51 means 50 of the 404 room air conditioner models we track cost less to run each year; the 85th efficiency percentile means it uses less energy for its size than 85% of those models.

Room air conditioners
$74/yr
Estimated running cost
Our read

What does the Perfect Aire 1PACV8000 cost to run per year?

The Perfect Aire 1PACV8000 runs for about $74 a year, landing it near the bottom of the cost table at rank #51 of 404 room air conditioner models we track. It uses 38% less energy than the U.S. federal standard model in its class, which would cost about $120/yr to run, a saving of roughly $46 a year. Its size-adjusted efficiency percentile of 85 means the low running cost is not just a function of size; it is genuinely efficient for its class. Its CEER of 15 reflects combined energy efficiency ratio, one of the class's core efficiency levers.

Immediately around it on the leaderboard, the Perfect Aire 1PACU8000 at $74/yr runs a little cheaper and the Richmond RMV08A10A at $74/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 Perfect Aire 1PACV8000's $74/yr adds up to roughly $740 in electricity alone, before purchase price or repairs.

Also sold as: Black+Decker BD08NWES.

$6.19per month #51of 404 on cost 85thefficiency percentile

By the numbers

The Perfect Aire 1PACV8000 normalized against its whole class, so each figure means something.

Normalized against class0 · 50 · 100%
Annual energy400 kWh
Energy vs US standard38% less
CEER15
Size-adjusted efficiency85th percentile
-$46
Cheaper to run every year than a standard room air conditioner model at $120/yr. That is $460 saved over a 10 year life.
Room air conditioners
$74
Per year
Perfect Aire 1PACV8000Rank #51 of 404 in class

What it costs you over time

Running cost is an every-year number, so it compounds. At $74/yr, here is what the Perfect Aire 1PACV8000 adds up to before purchase price, water, or repairs enter the math.

1 year$74
5 years$370
10 years$740

Left running for a decade at today's US average rate, the Perfect Aire 1PACV8000 costs about $740. That is roughly $460 less than a standard model in its class, which would run closer to $1200 over the same ten years.

How the Perfect Aire 1PACV8000 compares

The room air conditioner class we track runs from $51 to $389 a year. At $74/yr, it runs about $25 a year cheaper than the class median of $99, and it is about $23 a year more than the cheapest room air conditioner to run at $51. Against the US federal standard model for its class at about $120/yr, the Perfect Aire 1PACV8000 uses 38% less energy.

Cheapest in class$51
Class median$99
This room air conditionerThis model$74
Priciest in class$389
US federal standard$120

What drives its running cost

At 8000 BTU/hr, the Perfect Aire 1PACV8000 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. Beyond size, its CEER of 15, above the class median of 15, is the class's own efficiency yardstick, combined energy efficiency ratio, and it is what separates two similarly sized models with different running costs.

  • Combined Energy Efficiency Ratio (CEER). Two units with the same BTU rating can post very different running costs, and CEER is the figure that explains most of that gap.
  • BTU cooling capacity. BTU rating scales with room size, and it is usually the first driver of an air conditioner's running cost, ahead of its CEER figure.
  • Thermostat and mode usage. How the unit is actually operated, thermostat cycling versus a fixed setting, moves real electricity use more than the rated BTU or CEER figure alone.

Common questions

Is the Perfect Aire 1PACV8000 cheap to run?

Yes. Its $74/yr running cost puts it at rank #51 of 404, below what most room air conditioner models we track cost to run.

How much does the Perfect Aire 1PACV8000 cost per month?

About $6.19 a month, which is the $74 annual estimate spread across twelve months at the US average rate of $0.1856/kWh. Your own bill scales with your local electricity rate and how heavily you use it.

How is this running-cost figure calculated?

The formula is annual kWh times price per kWh: 400 kWh from ENERGY STAR times the US average of $0.1856/kWh comes to about $74 a year. It covers electricity only, not the purchase price, water, or installation.

How efficient is the Perfect Aire 1PACV8000 for its size?

85th percentile once size is factored in. That means its size-adjusted efficiency is a real factor in the running-cost figure above; its capacity plays a large role too.

Source

Source: ENERGY STAR Product Finder · model ID ES_1121980_1PACV8000_07252023105119_80167523View certified room air conditioner listingsENERGY STAR data as of July 2026

Perfect Aire and 1PACV8000 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.