WattCost

Data through June 2026

Cost to run · Tennessee · 14.1¢/kWh residential average

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

$21/yr · median certified model

Residential electricity in Tennessee runs 14.1¢/kWh — 23% under the U.S. average — putting the median certified air purifier at about $21 a year, versus $27 nationally.

Out of all 50 states plus D.C., Tennessee is the #5 cheapest place to run an air purifier. At local rates, certified models span $4.22 (Blueair 4612522000) to $69 (Fellowes Aeramax SV) per year — $65 of annual headroom that depends entirely on which unit you buy. For reference, the national extremes are Nevada (13.1¢/kWh) and Hawaii (52.7¢/kWh); the same median air purifier would cost $19 and $78 a year there.

Tennessee
$21
US average
$27
Nevada
$19
Hawaii
$78
Median certified air purifier (148 kWh/yr) per year, at each rate

The cheapest air purifiers to run at Tennessee rates

Top 10 by certified kWh, priced at 14.1¢/kWh
#ModelkWh/yr$/yr in TN
1Blueair 4612522000most efficient30$4.22
2DREAME CVA10Bmost efficient32$4.50
3AeroNova DH-JH01Amost efficient33$4.64
4AeroNova MK01Amost efficient33$4.64
5ALROCKET MK01Amost efficient33$4.64
6AROEVE MK01Amost efficient33$4.64
7BREEZOME MK01Amost efficient33$4.64
8Greenlite G-Pure-7Wmost efficient33$4.64
9KLOUDIC MK01Amost efficient33$4.64
10REEMKIZZ MK01Amost efficient33$4.64

Price any model at Tennessee rates

Your rate, your numbers

Per day
6¢
Per month
$1.74
Per year
$21

148 kWh/yr × 14.1¢/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 Tennessee?
About $21 a year for the median ENERGY STAR certified air purifier, at Tennessee's average residential rate of 14.1¢/kWh — that's $1.74 a month.
Is electricity expensive in Tennessee?
Tennessee's residential average of 14.1¢/kWh is 23% below the U.S. average of 18.3¢/kWh, ranking 5 of 51 jurisdictions (1 = cheapest).
What's the cheapest air purifier to run in Tennessee?
Among currently certified models, the Blueair 4612522000 costs the least at about $4.22 a year at Tennessee rates (30 kWh/yr).
How does Tennessee compare with other states?
The same median air purifier costs $19 a year in Nevada (the cheapest state) and $78 in Hawaii (the priciest). Tennessee sits at $21.

Keep digging

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