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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 QuoteWhich is better for your home? We install both. Here's our honest, spec-by-spec comparison based on real installation experience.
Both the Daikin FIT and Carrier Greenspeed Intelligence are excellent choices. The Daikin FIT is better if you prioritize homes with limited outdoor space for equipment, while the Carrier Greenspeed Intelligence shines for homeowners who want premium comfort with precise temperature control. For most homeowners, either product will serve you well — your choice should come down to which features matter most to your household.

Daikin · FIT

Carrier · Greenspeed Intelligence
| Spec | Daikin | Carrier |
|---|---|---|
| HSPF2 | 10.0 | 13.0 |
| SEER2 | 17.0 | 22.0 |
| Min Operating Temp | 0°F (-18°C) | -15°F (-26°C) |
| Noise Level | 55 dB (outdoor) | 51 dB (outdoor) |
| Size Range | 18,000 - 60,000 BTU | 24,000 - 60,000 BTU |
| Compressor Warranty | 12 years | 10 years |
| Refrigerant | R-410A | R-410A |
We evaluate each product across the metrics that matter most to homeowners.
Daikin FIT offers a longer 12-year warranty vs 10 years.
Daikin FIT is more affordable at $4,000 - $12,000 installed vs $6,000 - $20,000 installed.
Our crew rates the Carrier Greenspeed Intelligence higher at 9/10 vs 7.5/10.
Cold-climate rated heat pumps maintain heating capacity at sub-zero temperatures, which is critical for New England winters.
The Daikin FIT is a good mid-range option for ducted systems. Its slim profile makes it popular for condos and townhomes with tight outdoor spaces. Our crews appreciate the straightforward installation process. For New England, we pair it with a backup heat strip for the coldest days below 0°F.
The Carrier Greenspeed is the Cadillac of ducted heat pumps. Our crews install the Infinity System Control alongside it for full variable-speed optimization. The outdoor unit is remarkably quiet — homeowners with close neighbors appreciate this. It takes 1-2 days for a full ducted install including thermostat setup and system commissioning.
Both the Daikin FIT and Carrier Greenspeed Intelligence are excellent choices. The Daikin FIT is better if you prioritize homes with limited outdoor space for equipment, while the Carrier Greenspeed Intelligence shines for homeowners who want premium comfort with precise temperature control. For most homeowners, either product will serve you well — your choice should come down to which features matter most to your household.
Our energy advisors can help you decide between the Daikin FIT and Carrier Greenspeed Intelligence based on your specific home, budget, and energy goals.
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