20,000 BTU heat pumpAHRI reference 215735311
Check model number SENA-18HF-MOA at your preferred retailer.
Photo of this model. Image details
These are recurring themes in linked public owner discussions, not certified specifications or our reliability verdict.
Several owners on The Garage Journal report using Senville mini-splits to cool garages, shops, or living spaces.
Theme: Owner cooling experience
Several · 4 first-person owner reports across 2 public discussions
A small sample can reveal themes, not failure rates. Thin or single-source themes are omitted rather than filled in.
What the published numbers mean before you compare every spec.
20,000 BTU is closest to ENERGY STAR’s 1000–1200 sq. ft. room-size row.
ENERGY STAR sizing chart ↗At 5°F, certified output is 19,000 BTU/h — 95% of its 47°F rating.
ENERGY STAR ↗The cited fields do not confirm a pre-charged line set or DIY-line designation for this model.
Voltage is not published in the sources we cite, so confirm it before choosing equipment.
HSPF2 10.4 is below the 10.6 average among 38 models in the same rounded capacity class.
ENERGY STAR ↗Your room is near 1000–1200 sq. ft. under the ENERGY STAR starting-point assumptions, and a load calculation agrees.
You have not confirmed the voltage, room load, and installation requirements for this exact model.
Room guidance is a screening estimate for standard conditions. Check your room inputs; use Manual J for final sizing.
| Outdoor model number | SENA-18HF-MOA |
|---|---|
| AHRI reference number | 215735311 |
| Series | SENA |
| Heating capacity at 47F | 20,000 BTU/h |
| Heating capacity at 17F | 20,000 BTU/h |
| Heating capacity at 5F | 19,000 BTU/h |
| SEER2 | 25 |
| EER2 | 15 |
| HSPF2 | 10.4 |
Values marked ENERGY STAR come from the certification dataset; values marked Manufacturer spec come from the linked product documents.
Senville SENA-18HF-MOA appears in the certification records under 3 separate certificate numbers. The equipment is the same; the tested pairing and the resulting ratings differ. This page carries them all.
| AHRI reference | Indoor unit | Heating at 47°F | Heating at 5°F | SEER2 | HSPF2 |
|---|---|---|---|---|---|
| 215735311 | Not supplied | 20,000 BTU/h | 19,000 BTU/h | 25 | 10.4 |
| 215735312 | Not supplied | 20,000 BTU/h | 18,000 BTU/h | 20 | 10 |
| 215735313 | Not supplied | 20,000 BTU/h | 18,500 BTU/h | 22.5 | 10.2 |
Every row comes from the same certification record set, retrieved 2026-08-09. Ask the seller which certificate number the unit you are quoted matches.
The sources we cite do not publish these values for this model, so we leave them blank rather than guess.
Room-size guidance is a starting point, not a load calculation. Confirm sizing and installation requirements with a qualified contractor.
Check your room size