3-ton packaged heat pump · RTi 2
ECOER ERDA19H-36AD
Excellent cooling and heating efficiency for a 3-ton packaged heat pump, and certified for cold climates.
Ranks #2 of 22 3 ton packaged heat pumps for cooling efficiency, and costs about $1,005 a year to run in a mixed climate like Atlanta.
- SEER2
- 18.3 Cooling efficiency over a seasonExcellent · beats 91%
- HSPF2
- 9.2 Heating efficiency over a seasonExcellent · beats 95%
- EER2
- 11.0 Cooling efficiency on a 95°F dayBelow average · beats 17%
- Heat at 5°F
- 24,600 BTU/h70% of its 47°F outputAverage · beats 51%
A good fit if…
- You want low cooling bills - its SEER2 beats 91% of packaged heat pumps.
- Your winters get properly cold - it is ENERGY STAR cold-climate certified, with 24,600 BTU/h at 5°F.
- It will heat most of the year - its HSPF2 beats 95% of packaged heat pumps.
- You want steady temperatures and quiet running - the compressor varies its speed.
Think twice if…
- Nothing stands out - its ratings have no weak spot for its class.
Details
Specifications
| General | |
|---|---|
| Brand | ECOER |
| Also sold as | YISO |
| Outdoor unit model | ERDA19H-36AD |
| Series | RTi 2 |
| Type | Packaged heat pump |
| Nominal size | 3 ton |
| CompressorVariable-speed units run longer at low power | Continuously variable |
| Refrigerant | R-32 |
| Connected (smart) capable | No |
| On the market since | May 20, 2025 |
| Last certified | July 17, 2026 |
| Cooling | |
| SEER2Seasonal efficiency, higher is better | 18.3 (range 18.3) |
| EER2Efficiency at 95°F outdoors | 11.0 |
| Cooling capacity | 35,000 BTU/h |
| Heating | |
| HSPF2Seasonal efficiency, higher is better | 9.2 |
| Capacity at 47°F | 35,000 BTU/h |
| Capacity at 17°F | 28,000 BTU/h |
| Capacity at 5°F | 24,600 BTU/h |
| COP at 5°F2.0 = twice as efficient as a space heater | 1.90 |
| ENERGY STAR cold climate | Yes |
Heating output as it gets colder
Every heat pump delivers less heat as the outdoor temperature drops. Certified output of its best matchup at the standard test temperatures, in BTU/h:
Certified matchups
The same outdoor unit scores differently with each indoor unit. Ask your installer for the AHRI reference number of the exact system you are quoted.
| Indoor unit | SEER2 | EER2 | HSPF2 | Heat @5°F | AHRI ref. |
|---|---|---|---|---|---|
| - · cold climate | 18.3 | 11.0 | 9.2 | 24,600 | 218619224 |
Same unit, other model numbers
These model numbers have exactly the same certified ratings and matchups as the ECOER ERDA19H-36AD: the same equipment under another brand, or a variant code for voltage, colour or market. Everything on this page applies to them.
- YISO YRHA1-36AD
Yearly running cost in 10 large cities
- Phoenix, AZ$1,108/yr
- Miami, FL$899/yr
- Houston, TX$993/yr
- Atlanta, GA$1,005/yr
- Los Angeles, CA$978/yr
- New York, NY$2,403/yr
- Chicago, IL$1,951/yr
- Denver, CO$1,622/yr
- Seattle, WA$997/yr
- Minneapolis, MN$2,008/yr
At each state's average electricity price and the city's typical heating and cooling hours.
Questions
- What is the SEER2 rating of the ECOER ERDA19H-36AD?
- The ECOER ERDA19H-36AD is rated at up to 18.3 SEER2 and 11.0 EER2 for cooling and up to 9.2 HSPF2 for heating. The exact figure depends on the indoor unit it is paired with.
- Is the ECOER ERDA19H-36AD good for cold climates?
- Yes. At least one certified matchup meets the ENERGY STAR cold-climate criteria, delivering up to 24,600 BTU/h at 5°F with a COP of 1.90, so it is still 1.9 times as efficient as electric resistance heat at that temperature.
- How much does the ECOER ERDA19H-36AD cost to run per year?
- At its rated efficiency it costs about $899-$2,403 a year in electricity in large U.S. cities, depending on climate and local rates - for example $1,108 in Phoenix and $2,008 in Minneapolis. The calculator on this page works it out for your city and compares it with your current system.
- Is the ECOER ERDA19H-36AD the same as the YISO YRHA1-36AD?
- Yes, as far as the certified ratings go. ENERGY STAR lists both model numbers with identical efficiency, capacity and matchups, which means the same outdoor unit sold under a different brand or with a minor variant code (voltage, colour or region). The full list is on this page.
- What refrigerant does the ECOER ERDA19H-36AD use?
- It uses R-32.
Running cost and savings
Pre-filled with this model. Pick your city and what you heat with today; everything else is optional.
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See all 22 3 ton packaged heat pumps, ranked
Source: ENERGY STAR Certified Heat Pumps (U.S. EPA), certification of July 17, 2026. How we use the data.