WattCost

Data through April 2026

Cost to run · South Carolina · 17.1¢/kWh residential average

How much does it cost to run an air purifier in South Carolina?

$25/yr · median certified model

Electricity in South Carolina is priced within a few percent of the U.S. average — 17.1¢/kWh — which puts the typical certified air purifier at about $25 annually, essentially the national number.

In the national ranking, South Carolina lands at 29 of 51 for what an air purifier costs to run. Model choice matters as much as geography: at South Carolina rates the most efficient certified model (Blueair 4612522000) costs $5.12 a year while the most power-hungry (Fellowes Aeramax SV) costs $84 — a spread of $78 every year. For reference, the national extremes are North Dakota (12.3¢/kWh) and Hawaii (46.6¢/kWh); the same median air purifier would cost $18 and $69 a year there.

South Carolina
$25
US average
$28
North Dakota
$18
Hawaii
$69
Median certified air purifier (148 kWh/yr) per year, at each rate

The cheapest air purifiers to run at South Carolina rates

Top 10 by certified kWh, priced at 17.1¢/kWh
#ModelkWh/yr$/yr in SC
1Blueair 4612522000most efficient30$5.12
2AeroNova DH-JH01Amost efficient33$5.63
3AeroNova MK01Amost efficient33$5.63
4ALROCKET MK01Amost efficient33$5.63
5AROEVE MK01Amost efficient33$5.63
6BREEZOME MK01Amost efficient33$5.63
7Greenlite G-Pure-7Wmost efficient33$5.63
8KLOUDIC MK01Amost efficient33$5.63
9REEMKIZZ MK01Amost efficient33$5.63
10ALROCKET DH-JH020US-A00most efficient36$6.14

Price any model at South Carolina rates

Your rate, your numbers

Per day
Per month
$2.10
Per year
$25

148 kWh/yr × 17.1¢/kWh = $25/yr

Prefilled with the median certified air purifier (148 kWh/yr). Every model page on this site carries its exact certified figure.

Questions, answered with the data

How much does it cost to run an air purifier in South Carolina?
About $25 a year for the median ENERGY STAR certified air purifier, at South Carolina's average residential rate of 17.1¢/kWh — that's $2.10 a month.
Is electricity expensive in South Carolina?
South Carolina's residential average of 17.1¢/kWh is 9% below the U.S. average of 18.8¢/kWh, ranking 29 of 51 jurisdictions (1 = cheapest).
What's the cheapest air purifier to run in South Carolina?
Among currently certified models, the Blueair 4612522000 costs the least at about $5.12 a year at South Carolina rates (30 kWh/yr).
How does South Carolina compare with other states?
The same median air purifier costs $18 a year in North Dakota (the cheapest state) and $69 in Hawaii (the priciest). South Carolina sits at $25.

Keep digging

Rate source: US EIA, average residential price of electricity, see methodology.