Whole-House Humidifier Cost by State

A whole-house humidifier integrated with the HVAC system, running during dry winter months. Running one costs about $42/year at the U.S. average residential rate (18.83¢/kWh) — but the range across states is significant: from $28/year in North Dakota (12.35¢/kWh) to $105/year in Hawaii (46.62¢/kWh).

Full ranking — Whole-House Humidifier running cost in all 51 states

RankStateRateCost/monthCost/year
1North Dakota12.35¢/kWh$5.64$28
2Idaho12.70¢/kWh$5.80$29
3Nebraska13.28¢/kWh$6.06$30
4Utah13.29¢/kWh$6.07$30
5Oklahoma13.31¢/kWh$6.08$30
6Iowa13.86¢/kWh$6.33$31
7Montana13.90¢/kWh$6.35$31
8Missouri14.01¢/kWh$6.40$32
9Arkansas14.16¢/kWh$6.46$32
10Nevada14.29¢/kWh$6.52$32
11Washington14.36¢/kWh$6.56$32
12Louisiana14.44¢/kWh$6.59$32
13South Dakota14.52¢/kWh$6.63$33
14Wyoming14.68¢/kWh$6.70$33
15Tennessee14.94¢/kWh$6.82$34
16Kentucky15.02¢/kWh$6.86$34
17New Mexico15.15¢/kWh$6.92$34
18Georgia15.37¢/kWh$7.02$35
19Florida15.38¢/kWh$7.02$35
20Arizona15.48¢/kWh$7.07$35
21Kansas15.78¢/kWh$7.20$36
22Oregon15.78¢/kWh$7.20$36
23West Virginia16.06¢/kWh$7.33$36
24North Carolina16.25¢/kWh$7.42$37
25Minnesota16.39¢/kWh$7.48$37
26Colorado16.54¢/kWh$7.55$37
27Mississippi16.76¢/kWh$7.65$38
28Texas16.99¢/kWh$7.76$38
29South Carolina17.06¢/kWh$7.79$38
30Virginia17.38¢/kWh$7.94$39
31Alabama17.41¢/kWh$7.95$39
32Indiana17.90¢/kWh$8.17$40
33Delaware18.79¢/kWh$8.58$42
34Wisconsin19.21¢/kWh$8.77$43
35Ohio19.49¢/kWh$8.90$44
36Illinois20.47¢/kWh$9.35$46
37Michigan21.39¢/kWh$9.77$48
38Pennsylvania21.47¢/kWh$9.80$48
39Maryland22.07¢/kWh$10.08$50
40New Jersey23.53¢/kWh$10.74$53
41Vermont24.56¢/kWh$11.21$55
42District of Columbia25.41¢/kWh$11.60$57
43New Hampshire27.24¢/kWh$12.44$61
44Alaska27.35¢/kWh$12.49$62
45Rhode Island28.30¢/kWh$12.92$64
46Maine28.42¢/kWh$12.98$64
47Massachusetts29.45¢/kWh$13.45$66
48New York29.45¢/kWh$13.45$66
49Connecticut32.24¢/kWh$14.72$73
50California35.25¢/kWh$16.09$79
51Hawaii46.62¢/kWh$21.28$105

Browse by state (alphabetical)

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