Loading NuWatt Energy...
We use your location to provide localized solar offers and incentives.
We serve MA, NH, CT, RI, ME, VT, NJ, PA, and TX
Loading NuWatt Energy...
NuWatt designs, installs, and manages solar, battery, heat pump, and EV charger systems across 9 states. One company, one warranty, one point of contact.
Get a Free Quote
All mini splits are heat pumps. The confusion is about delivery method, not technology. This guide explains ducted vs ductless options for RI's older housing stock, with Clean Heat RI rebate details for each type.
60% off
Clean Heat RI
$11,500
Max Rebate
100% off
Income Eligible
12/31/26
ARPA Deadline
“Heat pump” describes the technology — a system that moves heat using a refrigerant cycle rather than burning fuel. “Mini split” describes the delivery method — a ductless system with wall-mounted indoor units connected to an outdoor compressor.
Think of it like cars: “sedan” and “electric vehicle” are different categories. A Tesla Model 3 is both a sedan AND an electric vehicle. Similarly, a Mitsubishi Hyper-Heat mini split is both a mini split AND a heat pump.
Both are heat pumps. The difference is how they deliver conditioned air to your rooms.
| Feature | Ducted Heat Pump | Ductless Mini Split |
|---|---|---|
| Cost (installed) | $11,000-$22,000 | $3,500-$18,000★ |
| Requires ductwork | Yes | No★ |
| Whole-home coverage | Yes (via ducts) | Yes (multi-zone) |
| Zone control | Limited (dampers) | Per-room control★ |
| Efficiency (SEER2) | 15-22 | 18-23★ |
| Cold climate (HSPF2) | 8-10 | 9-13★ |
| Aesthetics | Hidden (in ducts)★ | Wall-mounted heads visible |
| Installation time | 2-5 days | 0.5-3 days★ |
| Noise (indoor) | 35-50 dB | 19-25 dB★ |
| Clean Heat RI eligible | Yes (60% / 100%) | Yes (60% / 100%) |
| Best for old RI homes | Only if ducts exist | Ideal (no ducts needed)★ |
★ indicates advantage in that category. Costs are for Rhode Island 2026 including installation.
Rhode Island has distinctive housing stock. Here is what works best for each type.
Two-story, center chimney, no ductwork. Plaster walls, narrow stairways.
No space for ducts. Multi-zone with 3-4 heads covers both floors. Clean Heat RI: 60% off.
Ornate trim, high ceilings, radiator heat. Many rooms, complex floor plans.
High ceilings require more BTUs. Wall-mounted heads preserve ornate molding. Avoid tearing into plaster.
Three-story, 3-unit. Each floor is a separate apartment. Radiator or baseboard heat.
Each unit gets independent zone control. Landlords: each tenant controls their own system. Clean Heat RI applies per residential address.
1-1.5 story, some have forced-air ducts. Smaller footprint.
If existing ductwork is in good condition, ducted heat pump is simplest. If no ducts, a 2-zone mini split covers the whole home efficiently.
Single story, open floor plan. May have existing ductwork from forced-air furnace.
Single-story with existing ducts is the ideal ducted heat pump scenario. If no ducts, a 1-2 zone mini split works well for the open layout.
Smaller, seasonal or year-round. Salt air exposure. Some without central heat.
Corrosion-resistant outdoor units essential (Mitsubishi Blue Fin, Fujitsu coated coils). Compact wall units suit smaller rooms. Salt-air rated units last 15+ years.
Clean Heat RI does not distinguish between ducted and ductless heat pumps. Both receive the same rebate percentage. ARPA funding expires December 31, 2026.
60% of cost
Up to $11,500 maximum
100% of cost
Up to $18,000 maximum (at or below 150% SMI)
RI Energy provides additional rebates that stack on top of Clean Heat RI:
Replacing Electric Resistance
$1,250/ton
Baseboards, space heaters, electric furnace
Replacing Oil/Gas/Propane
$400/ton
Oil boiler, gas furnace, propane heater
A typical 3-ton system replacing oil: Clean Heat RI ($7,800) + RI Energy ($1,200) = $9,000 in rebates on a $13,000 system. Your net cost: $4,000.
RI context: Only ~30% of RI homes have existing ductwork. If yours does, a ducted heat pump is often the simplest upgrade — swap the outdoor unit and air handler, keep the ducts.
RI context: ~70% of RI homes lack ductwork (colonials, Victorians, triple-deckers, older capes). Ductless mini splits are the default recommendation for these homes. Adding ductwork costs $5,000-$15,000 and damages period finishes.
Both ducted and ductless heat pumps come in cold-climate rated models. Clean Heat RI requires ENERGY STAR 6.1 Cold Climate certification.
Market leader. Most installed brand in RI. Proven in coastal winters.
Lowest operating temp. Excellent for exposed coastal properties.
Premium ducted option. Highest efficiency. Variable-speed compressor.
Rhode Island's design temperature (the coldest it typically gets) is about 6F to 9F depending on location. Providence averages 6F, Newport 12F (coastal moderation). Cold-climate heat pumps rated to -13F or lower handle RI winters with capacity to spare. The concern about heat pumps “not working in cold weather” is outdated — modern cold-climate models maintain 100% heating capacity well below RI's coldest days.
Both ducted and ductless heat pumps deliver the same operating cost savings. The savings come from the technology, not the delivery method.
Electric Resistance
$3,720
/year
Propane
$2,720
/year
Heating Oil
$2,650
/year
Natural Gas
$2,160
/year
Heat Pump
$1,240
/year
Based on 2,000 sq ft home in Rhode Island. RI Energy rate: $0.29/kWh. Oil: $3.45/gal. Gas: $1.80/therm. Propane: $3.58/gal. Heat pump COP: 3.0. Source: EIA, RI Energy tariffs.
Yes. A mini split IS a type of heat pump. The term "mini split" refers to the ductless delivery method — a wall-mounted indoor unit (head) connected to an outdoor compressor by refrigerant lines. Both ducted and ductless systems use the same heat pump technology (vapor compression cycle) to move heat in and out. The difference is how the conditioned air reaches your rooms: through ducts or through wall-mounted heads.
Most older RI homes (colonials, Victorians, triple-deckers) were built without ductwork. For these homes, ductless mini splits are usually the better choice because they require no duct installation — just a small 3-inch hole in the wall for refrigerant lines. Adding ductwork to a 100+ year old home costs $5,000-$15,000 and often requires tearing into walls and ceilings. However, if your home already has ductwork (from a forced-air furnace), a ducted heat pump can use the existing ducts.
Yes. Clean Heat RI covers both ducted and ductless heat pump systems at the same rate: 60% of total system and installation cost, capped at $11,500 for standard households. Income-eligible households (at or below 150% SMI) get 100% covered up to $18,000. The equipment must be ENERGY STAR 6.1 Cold Climate certified. Both single-zone and multi-zone mini splits qualify.
A single-zone ductless mini split in RI costs $3,500-$7,000 installed. A multi-zone system (2-5 heads) costs $8,000-$18,000. After Clean Heat RI (60%), a single-zone system costs $1,400-$2,800 out of pocket. Income-eligible households may pay $0. RI Energy also provides utility rebates of $400-$1,250 per ton that stack with Clean Heat RI.
A single-zone mini split heats one room or open area, not a whole house. For whole-home heating, you need either a multi-zone ductless system (2-5 heads serving different rooms) or a ducted heat pump. Cold-climate rated models (Mitsubishi Hyper-Heat, Fujitsu XLTH) maintain full heating capacity down to -13F to -15F, which covers even RI extreme cold snaps. A 3-4 zone system typically covers 1,500-2,500 sq ft.
A traditional central air conditioner only cools. A heat pump both heats AND cools using the same technology — it reverses the refrigerant cycle to move heat inside during winter. This makes heat pumps 2-3x more efficient than electric resistance heating and competitive with gas furnaces at RI electricity rates ($0.29/kWh). Both ducted and ductless heat pumps provide year-round heating and cooling.
No. Many RI homeowners keep their oil boiler as backup and use mini splits as the primary heating source. This "dual-fuel" approach is common: the mini splits handle 80-90% of heating (down to about 5F-15F), and the oil boiler kicks in only during the coldest days. Over time, most homeowners find they use the boiler rarely and may choose to decommission it.
No. Modern ductless mini splits are among the quietest HVAC equipment available. Indoor units operate at 19-25 dB — quieter than a whisper (30 dB) or a library (40 dB). Outdoor units are louder (45-55 dB) but still quieter than a normal conversation. Brands like Mitsubishi (19 dB) and Fujitsu (21 dB) lead in low-noise operation.
Whether ducted or ductless, Clean Heat RI covers 60-100% of your cost. ARPA funding deadline: December 31, 2026.