Pioneer Diamante Series (Pro / Ultra / Essenza, single-zone) — specs
Full specifications for the Pioneer Diamante Series (Pro / Ultra / Essenza, single-zone). Values are manufacturer- or AHRI-retailer-sourced and cited below; anything unpublished shows as "Not published" rather than guessed. Where a figure is nominal or line-level, we say so inline.
| Capacity (BTU) | 9k / 12k / 18k / 24k / 36k |
|---|---|
| SEER2 (cooling efficiency) | 17–23 (Pro ~19–20.5; Ultra ~23; Essenza 36k=17) |
| HSPF2 (heating efficiency) | 8.5–9.5 |
| Refrigerant | R-410A (older Pro/base 115V) AND R-454B (newer 230V models) — verify per SKU |
| Cold-climate rating | Low-ambient operation cited down to -13°F (not a certified hyper-heat) |
| Installation | PRE-CHARGED (16 ft) STANDARD-FLARE — DIY-capable but NOT a sealed no-EPA quick-connect; pro/evacuation recommended. NOT the clean DIY-no-EPA slice. |
| Zones | single-zone (Pioneer also offers multi-zone) |
| Warranty | Not verified this session (Pioneer commonly cited ~5-yr parts / 7-yr compressor) — confirm |
Price: not shown. Premium brands (Mitsubishi, Daikin, Fujitsu, LG) don't publish MSRP — they sell through contractors — and online-direct prices vary by retailer/promo. We don't quote a price we can't verify; check a retailer or get an installed quote.
Data confidence: MED on SEER2/HSPF2/refrigerant (varies by SKU); LOW on warranty; price street-varies
Source: manufacturer / retailer spec sheet. Verify SEER2/HSPF2/capacity per exact SKU on the AHRI Directory.
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