Compare mini-splits & heat pumps / Pioneer Diamante Pro
Pioneer · Diamante Pro
Pioneer Diamante Pro 18,000 BTU 230V
Model WYT018GLSI20RL
SCORE7.1 / 10
A cheaper flare 18k for a garage if you can hire the startup: 12,500 BTU/h at 5°F, heating to -4°F. Not ENERGY STAR.
Specs
| Spec | Pioneer Diamante Pro 18,000 BTU 230V |
|---|---|
| Nominal size | 18,000 BTU |
| Voltage | 230V |
| Rated heat at 47°F | 18,000 BTU/h |
| Heat at 17°F | 13,000 BTU/h |
| Heat at 5°F | 12,500 BTU/h |
| Lowest heating temp | -4°F |
| Max heat at lowest temp | 9,600 BTU/h |
| SEER2 | 21 |
| HSPF2 (Region IV) | 9.5 |
| Install type | Flare |
| Line set in box | 16 ft |
| Max line run | 65 ft |
| Warranty covers owner install | Yes |
| Warranty, parts | 5 yr |
| Warranty, compressor | 5 yr |
| ENERGY STAR Cold Climate | No |
| ENERGY STAR | No |
| Refrigerant | R-454B |
| Electrical | 20 A double-pole breaker |
| Evacuation | Nitrogen-assisted triple evacuation to 500 microns, 4-hour hold, by qualified personnel |
| Factory charge | Covers 10-25 ft of line |
Sources: NEEP ccASHP list · Pioneer submittal sheets · Pioneer WYT20S install manual · Pioneer warranty policy (pdhvac.com)
Before you buy
- The older R-410A Diamante Pro Series ends FI19RL (heats to -13°F, 19 SEER2 on the 12K 115V); confirm SI20RL or R-454B.
- The Diamante Essenza, Diamante Ultra and WYS are different lines with different specs.
- Registration deadline reads 90 days on the product page and one week after install in the warranty policy; satisfy both.
Compare it with
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- Pioneer Diamante Pro 18,000 BTU 230V vs Gree Sapphire R32 18,000 BTU 230V (our score 7.5)
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