Portable AC Unit in Boston — $320/yr to Run (27.8¢/kWh)
Your portable ac unit in Boston costs about $27/month at 27.8¢/kWh. See daily, monthly, and yearly costs, plus tips to cut your bill.
Boston, MA Electricity Rate
27.8¢/kWh
Utility: Eversource Energy
+114% vs national avg
National avg: 13.0¢/kWh
Daily Cost
$2.67
9.6 kWh/day
Monthly Cost
$26.67
96 kWh/mo
Annual Cost
$320
1,152 kWh/yr
Lifetime (8yr)
$2,560
energy only
Monthly Cost Breakdown in Boston
| Period | kWh | Boston Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 9.6 | $2.67 | $1.25 | +$1.42 |
| Weekly | 67.2 | $18.67 | $8.74 | +$9.93 |
| Monthly | 96.0 | $26.67 | $12.48 | +$14.19 |
| Quarterly | 288.0 | $80.01 | $37.44 | +$42.57 |
| Annual | 1152.0 | $320.03 | $149.76 | +$170.27 |
Customize Your Portable AC Unit Cost
Adjust usage hours and electricity rate to calculate your exact cost in Boston.
Daily
$2.67
Monthly
$26.67
Annual
$320
8-Year
$2,560
Energy Saving Tips for Portable AC Unit in Boston
- ✓Boston electricity rates are 114% above the national average — energy efficiency matters more here.
- ✓An ENERGY STAR Portable AC Unit in Boston saves ~$NaN/year compared to standard models.
- ✓A smart Portable AC Unit with scheduling optimization can save ~$32/year at Boston rates.
- ✓Vent exhaust properly
- ✓Clean filter biweekly
- ✓Use in rooms under 500 sq ft
ENERGY STAR Savings: Upgrading to an ENERGY STAR Portable AC Unit in Boston saves approximately $NaN/year at local rates — $NaN over the appliance lifetime.
Highest-Cost Appliances in Boston, MA
See which appliances cost the most to run at Boston's 27.8¢/kWh electricity rate.
Level 2 EV Charger (240V)
Transportation · 7,200W
$3,600/yr
$300.02/mo
Electric Furnace
HVAC · 10,000W
$2,500/yr
$208.35/mo
Electric Tankless Water Heater
Water Heating · 18,000W
$1,825/yr
$152.10/mo
EV Charger (Level 2)
Garage · 7,200W
$1,800/yr
$150.01/mo
Boiler (Electric)
HVAC · 6,000W
$1,500/yr
$125.01/mo
Electric Water Heater (Tank)
Water Heating · 4,500W
$1,369/yr
$114.07/mo
Water Heater (Tank Electric)
Water Heating · 4,500W
$1,369/yr
$114.07/mo
Heat Pump
HVAC · 2,400W
$1,067/yr
$88.90/mo
Portable AC Unit Cost in Other Massachusetts Cities
| City | Rate | Annual Cost | vs Boston |
|---|---|---|---|
| Boston (current) | 27.8¢ | $320 | — |
| Worcester | 29.6¢ | $341 | +$21 |
| Springfield | 29.2¢ | $336 | +$16 |
| Cambridge | 26.9¢ | $310 | $-10 |
| Lowell | 30.3¢ | $349 | +$29 |
| Brockton | 21.0¢ | $242 | $-78 |
| Quincy | 21.4¢ | $247 | $-73 |
| New Bedford | 23.4¢ | $270 | $-50 |
| Lynn | 21.5¢ | $248 | $-72 |
Portable AC Unit Energy Cost FAQ — Boston, MA
Understanding Portable AC Unit Energy Costs in Boston, MA
In a major metro like Boston, electricity demand is high and rates reflect the cost of maintaining infrastructure for 0.7 million residents. Running a moderate-draw appliance like the Portable AC Unit (1,200W) at Boston's rate of 27.8¢/kWh costs approximately $320 per year — $170 more than the national average of $150.
Electricity in Boston is significantly more expensive than the national average — 114% higher. For a Portable AC Unit used 8 hours per day, this rate premium adds up to $170 in extra annual costs. Energy-efficient models and usage habits have an outsized impact in high-rate markets like this.
Boston has a high cost of living (index: 141), which means electricity is just one of many above-average expenses. Reducing appliance energy costs — even by small amounts — contributes to meaningful household savings in this market. Upgrading to an ENERGY STAR Portable AC Unit can cut energy use by up to undefined%, saving approximately $NaN per year at Boston rates.
Boston's moderate climate (avg 44°F) helps keep seasonal energy cost swings manageable for most appliances. A Portable AC Unit produces approximately 0.83 tons of CO2 annually at typical usage. Boston residents can reduce this footprint by choosing an ENERGY STAR certified unit, optimizing usage patterns, or investing in solar — see our solar savings calculator for Boston.
Compare All Energy Costs in Boston
See energy costs for 178+ household appliances at Boston's local electricity rate.
Frequently Asked Questions
How much does it cost to run a Portable AC Unit in Boston, MA?
At Boston's average electricity rate of 27.8¢/kWh, a Portable AC Unit costs approximately $320 per year to run. That's about $26.67 per month with typical usage of 8 hours per day.
What is the electricity rate in Boston, MA?
The average residential electricity rate in Boston, MA is 27.8¢/kWh, which is 114% above the national average of 13.0¢/kWh. The primary utility provider is Eversource Energy.
How much electricity does a Portable AC Unit use per year?
A Portable AC Unit uses approximately 1,200 watts and consumes about 1,152 kWh per year with typical usage of 8 hours/day for 120 days/year.
Is a Portable AC Unit expensive to run in Boston?
Compared to the national average cost of $150/year, running a Portable AC Unit in Boston costs $170 more per year due to higher local electricity rates.
How can I reduce my Portable AC Unit energy cost in Boston?
To reduce Portable AC Unit costs in Boston: Vent exhaust properly. Clean filter biweekly. Upgrading to an ENERGY STAR model saves up to undefined% on energy costs. Also check with Eversource Energy for local energy efficiency rebates and programs.