WattCost

Data through April 2026

Cost to run · South Dakota · 14.5¢/kWh residential average

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

$21/yr · median certified model

South Dakota's 14.5¢/kWh rate undercuts the national average by 23%, so the typical certified air purifier costs roughly $21 a year here instead of $28.

South Dakota ranks 13 of 51 jurisdictions for air purifier running costs — solidly mid-table. At local rates, certified models span $4.36 (Blueair 4612522000) to $71 (Fellowes Aeramax SV) per year — $67 of annual headroom that depends entirely on which unit you buy. 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 Dakota
$21
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 Dakota rates

Top 10 by certified kWh, priced at 14.5¢/kWh
#ModelkWh/yr$/yr in SD
1Blueair 4612522000most efficient30$4.36
2AeroNova DH-JH01Amost efficient33$4.79
3AeroNova MK01Amost efficient33$4.79
4ALROCKET MK01Amost efficient33$4.79
5AROEVE MK01Amost efficient33$4.79
6BREEZOME MK01Amost efficient33$4.79
7Greenlite G-Pure-7Wmost efficient33$4.79
8KLOUDIC MK01Amost efficient33$4.79
9REEMKIZZ MK01Amost efficient33$4.79
10ALROCKET DH-JH020US-A00most efficient36$5.23

Price any model at South Dakota rates

Your rate, your numbers

Per day
Per month
$1.79
Per year
$21

148 kWh/yr × 14.5¢/kWh = $21/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 Dakota?
About $21 a year for the median ENERGY STAR certified air purifier, at South Dakota's average residential rate of 14.5¢/kWh — that's $1.79 a month.
Is electricity expensive in South Dakota?
South Dakota's residential average of 14.5¢/kWh is 23% below the U.S. average of 18.8¢/kWh, ranking 13 of 51 jurisdictions (1 = cheapest).
What's the cheapest air purifier to run in South Dakota?
Among currently certified models, the Blueair 4612522000 costs the least at about $4.36 a year at South Dakota rates (30 kWh/yr).
How does South Dakota 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 Dakota sits at $21.

Keep digging

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