How Much Does It Cost to Run Air Conditioning in the Dominican Republic?
Hourly, monthly and yearly cooling costs at the Dominican Republic's electricity rate, by system size and SEER rating, in U.S. dollars and DOP.
By Mark Curant·Updated
Quick answer
At the Dominican Republic's residential electricity rate of DOP 6.809/kWh (about 11.40¢ US) as of September 2025, a typical 3-ton air conditioner (SEER 14) costs about $0.29 per hour, $70 for a month at 8 hours a day, and roughly $879 a year (DOP 52,527) with year-round cooling (about 3,000 hours). That rate is 38% below the U.S. average of 18.31¢/kWh, and ranks #7 of 8 among the Caribbean countries we track.
Per hour
$0.29
3-ton, SEER 14
Per month
$70
8 hrs/day × 30 days
Per year
$879
DOP 52,527
Your numbers in the Dominican Republic
Your AC now (SEER 10)
$1,231/yr
$0.41/hr · $98 summer month
New system (SEER 16)
$770/yr
$0.26/hr · $62 summer month
You would save
$462/yr
$4,617 over 10 years
Starts from the Dominican Republic's average residential rate and typical cooling hours. Want payback on a quote? Open the full calculator with these numbers →
The estimator works in U.S. cents. The Dominican Republic's rate of DOP 6.809/kWh is about 11.40¢ at the exchange rate used by the source.
Cost to run AC in the Dominican Republic by system size
Central systems and ductless mini-splits are both sized in tons (1 ton = 12,000 Btu). A single bedroom mini-split is usually 0.75–1 ton; a whole house, 2–5 tons. Costs for SEER 14 at 11.40¢/kWh:
| System size | Per hour | Per month (8 hrs/day) | Per year | Per year (DOP) |
|---|---|---|---|---|
| 1.5 ton (18,000 Btu) | $0.15 | $35 | $440 | DOP 26,263 |
| 2 ton (24,000 Btu) | $0.20 | $47 | $586 | DOP 35,018 |
| 2.5 ton (30,000 Btu) | $0.24 | $59 | $733 | DOP 43,772 |
| 3 ton (36,000 Btu) | $0.29 | $70 | $879 | DOP 52,527 |
| 3.5 ton (42,000 Btu) | $0.34 | $82 | $1,026 | DOP 61,281 |
| 4 ton (48,000 Btu) | $0.39 | $94 | $1,173 | DOP 70,035 |
| 5 ton (60,000 Btu) | $0.49 | $117 | $1,466 | DOP 87,544 |
What a more efficient AC saves in the Dominican Republic
Annual cost of a 3-ton system at 3,000 cooling hours a year. Many older units on the islands are SEER 10 or lower; modern inverter mini-splits commonly reach SEER 18–25.
| SEER rating | Annual cost | Savings vs. SEER 10 | 10-year savings |
|---|---|---|---|
| SEER 10 | $1,231 | — | — |
| SEER 13 | $947 | $284 | $2,841 |
| SEER 14 | $879 | $352 | $3,518 |
| SEER 16 | $770 | $462 | $4,617 |
| SEER 18 | $684 | $547 | $5,472 |
| SEER 20 | $616 | $616 | $6,156 |
About electricity in the Dominican Republic
Power in the Dominican Republic is supplied by Edenorte, Edesur and Edeeste (state distributors). Dominican residential tariffs are set by the government and rise in steps with monthly usage, so households running AC heavily pay a higher rate on their top block than the average shown here.
Protect the AC you're paying to run
On island grids, outages, brownouts and voltage surges are part of normal life, and each one is a risk to an air conditioner's compressor and control board. A failed compressor can cost as much as a new unit, so a few inexpensive precautions are worth it:
- Voltage protection on every unit. A plug-in or hard-wired voltage protector cuts power when voltage goes too high or too low, then waits before restarting.
- A whole-house surge protector at the panel, installed by an electrician.
- A restart delay after outages. When power comes back, many units try to start at once; a delay of a few minutes protects the compressor.
- Generator sized for the AC. Compressors draw several times their running current at start-up; ask about a soft starter if you run AC on a generator.
How the Dominican Republic compares
#1
Bermuda
49.90¢/kWh
#2
Cayman Islands
39.10¢/kWh
#3
Puerto Rico
33.86¢/kWh
#4
Barbados
31.90¢/kWh
#5
Bahamas
31.04¢/kWh
#6
Jamaica
29.10¢/kWh
#8
Trinidad and Tobago
6.20¢/kWh
For comparison, the U.S. average is 18.31¢/kWh (July 2026). See costs in every U.S. state.
Frequently asked questions
How much does it cost to run AC per hour in the Dominican Republic?
About $0.29 (DOP 17.51) for a typical 3-ton air conditioner rated SEER 14, at the Dominican Republic's residential rate of DOP 6.809/kWh (about 11.40¢ US, September 2025). A 1.5-ton unit, typical for one or two rooms, costs about $0.15 an hour.
How much does air conditioning cost per month in the Dominican Republic?
Running 8 hours a day for 30 days, a 3-ton SEER 14 system uses about 617 kWh, or about $70 (DOP 4,202) at the Dominican Republic's rate.
Is a high-efficiency air conditioner worth it in the Dominican Republic?
Usually, yes. Replacing a SEER 10 unit with a SEER 16 saves about $462 a year at 3,000 cooling hours, and going from SEER 14 to SEER 20 saves about $264 a year. At island electricity prices, the extra cost of an efficient inverter system often pays back within a few years.
How we calculated this
Power draw (kW) = tons × 12,000 Btu/h ÷ SEER ÷ 1,000. Cost = kW × hours × rate. Rate: GlobalPetrolPrices.com, household electricity price (includes taxes and fees), September 2025. Island rates change with fuel prices, often monthly, so check your latest bill: divide the total by the kWh used to get your all-in rate. Cooling hours are our estimate for the climate.
Run your own numbers
The calculator opens with the Dominican Republic's rate and typical hours filled in. Add your unit's SEER and size to see your cost and what an upgrade would save.
Calculate for the Dominican Republic