WattCost

Data through April 2026

Cost to run · Massachusetts · 29.4¢/kWh residential average

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

$44/yr · median certified model

At 29.4¢/kWh, Massachusetts ranks among the priciest states for power. The typical certified air purifier runs about $44 annually here, which makes choosing an efficient model worth actual dollars, not rounding error.

Massachusetts sits at rank 47 of 51 — near the very top of the cost table for an air purifier. Model choice matters as much as geography: at Massachusetts rates the most efficient certified model (Blueair 4612522000) costs $8.84 a year while the most power-hungry (Fellowes Aeramax SV) costs $144 — a spread of $135 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.

Massachusetts
$44
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 Massachusetts rates

Top 10 by certified kWh, priced at 29.4¢/kWh
#ModelkWh/yr$/yr in MA
1Blueair 4612522000most efficient30$8.84
2AeroNova DH-JH01Amost efficient33$9.72
3AeroNova MK01Amost efficient33$9.72
4ALROCKET MK01Amost efficient33$9.72
5AROEVE MK01Amost efficient33$9.72
6BREEZOME MK01Amost efficient33$9.72
7Greenlite G-Pure-7Wmost efficient33$9.72
8KLOUDIC MK01Amost efficient33$9.72
9REEMKIZZ MK01Amost efficient33$9.72
10ALROCKET DH-JH020US-A00most efficient36$11

Price any model at Massachusetts rates

Your rate, your numbers

Per day
12¢
Per month
$3.63
Per year
$44

148 kWh/yr × 29.4¢/kWh = $44/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 Massachusetts?
About $44 a year for the median ENERGY STAR certified air purifier, at Massachusetts's average residential rate of 29.4¢/kWh — that's $3.63 a month.
Is electricity expensive in Massachusetts?
Massachusetts's residential average of 29.4¢/kWh is 56% above the U.S. average of 18.8¢/kWh, ranking 47 of 51 jurisdictions (1 = cheapest).
What's the cheapest air purifier to run in Massachusetts?
Among currently certified models, the Blueair 4612522000 costs the least at about $8.84 a year at Massachusetts rates (30 kWh/yr).
How does Massachusetts 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). Massachusetts sits at $44.

Keep digging

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