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APOLLO Central Heat Pump - 42k BTU / 3.5 Ton - Air to Water - EVI Inverter DC Technology
APOLLO Central Heat Pump - 42k BTU / 3.5 Ton - Air to Water - EVI Inverter DC Technology is backordered and will ship as soon as it is back in stock.
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APOLLO Central Heat Pump - 42k BTU / 3.5 Ton - Air to Water - EVI Inverter DC Technology is backordered and will ship as soon as it is back in stock.
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Description
Description
APOLLO Central Heat Pump - 42k BTU / 3.5 Ton - Air to Water - EVI Inverter DC Technology
The APOLLO 42K BTU Air-to-Water Heat Pump is a compact and efficient hydronic system designed to provide heating, cooling, and domestic hot water from a single outdoor unit. With a 42,000 BTU capacity, it is ideal for small to mid-size residential applications and supports water-based systems such as radiant floor heating, fan coil units, air handlers, and baseboard heating.
This air-to-water heat pump uses inverter technology to deliver stable performance, improved energy efficiency, and precise temperature control. Designed for reliable year-round operation, it offers a quiet and environmentally responsible solution for homes seeking efficient hydronic comfort and hot water production.
Features
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Capacity Recommended: 2000 ft²
- Applications: Ideal for Radiant Floor, Fan Coil Unit (FCU), and Central Air Handler (AHU).
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All-in-One Solution: Provides heating, cooling, domestic hot water (DHW), and pool heating.
- Energy Efficiency: COP reaching up to 5.65 for maximum savings.
- Quiet Operation: Virtually silent, producing 12dB less noise than standard heat pumps.
- Extreme Climate Performance: Operates seamlessly in outdoor temperatures ranging from -31°F to 110°F.
- Smart Technology: Equipped with a Wi-Fi controller for convenient remote operation.
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Compact Design: Space-saving structure for easy installation in residential settings.
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Durable Build: Engineered with premium components like Panasonic compressors and Siemens fan motors.
- Low Global Warming Potential (GWP) Refrigerant: Uses R-32 for minimum environmental impact.
Specifications
Size: 3.5 TON

- A: 18.5"
- B: 28.5
- C: 43.4"
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D: 33.1"
| MODEL | EVI DC 3.5 T | EVI DC 5 T | EVI DC 6 T | |
|---|---|---|---|---|
| Heating Condition: Air DB 41°F / WB 59°F - Water Inlet 95°F, Water Outlet 131°F | ||||
| Heating Capacity | KBTU | 42 | 60 | 71.5 |
| Input Power (Heating) | KBTU | 9.2 | 13 | 15.7 |
| Input Current (Heating) | A | 12.2 | 17.4 | 20.8 |
| COP | W/W | 4.6 | 4.6 | 4.6 |
| Heating Condition: Air DB 44°F, WB 42°F - Water Inlet 114°F, Water Outlet 113°F | ||||
| Heating Capacity | KBTU | 35.8 | 47.7 | 56.3 |
| Input Power (Heating) | KBTU | 11 | 14.2 | 17 |
| Input Current (Heating) | A | 14.8 | 19 | 22.7 |
| COP | W/W | 3.23 | 3.35 | 3.38 |
| Heating Condition: Air DB 10°F, WB 7°F - Water Inlet 97°F, Water Outlet 106°F | ||||
| Heating Capacity | KBTU | 22.2 | 32.4 | 39.2 |
| Input Power (Heating) | KBTU | 10.5 | 15.2 | 18.6 |
| Input Current (Heating) | A | 14 | 20.3 | 24.8 |
| COP | W/W | 2.11 | 2.13 | 2.11 |
| Cooling Condition: Air DB 95°F, --°F - Water Inlet 54°F, Water Outlet 44°F | ||||
| Cooling Capacity | KBTU | 27.3 | 42.7 | 51.2 |
| Input Power (Heating) | KBTU | 6.8 | 17 | 20.4 |
| Input Current (Heating) | A | 13.6 | 22.6 | 27.2 |
| COP | W/W | 4.6 | 4.6 | 4.6 |
| Rated Voltage/Frequency | V/P/Hz | 220-240V/1/60Hz | ||
| Rated Heating Capacity | KBTU | 35.8 | 58 | 83.5 |
| Rated Cooling Capacity | KBTU | 27.4 | 51.5 | 68.9 |
| Fan Motor Rating Load | A | 0.29 | 0.58 | 0.58 |
| Compressor Rotor Load | A | 15.94 | 29.09 | 37.47 |
| Total Load | A | 16.23 | 29.67 | 38.05 |
| MCA | A | 29.41 | 48.16 | 58.72 |
| MOP | A | 39.56 | 65.84 | 100.78 |
| Rated Water Flow | GPM | 8.2 | 13 | 19.2 |
| Water Connection | Inch | 1 | 1 | 1 1/4 |
| Refrigerant / Charge | R32 / 49.3 OZ | R32 / 81.2 OZ | R32 / 134.6 OZ | |
| Noise Level | dB(A) | 52 | 55 | 58 |
| Product Dimension (L/W/H) | inch | 43.4 / 18.5 / 33.1 | 45.3 / 20 / 53.8 | 43.4 / 20.9 / 57.3 |
| Product Weight | Lb | 275.6 | 341.8 | 403.5 |
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