Raypak’s smallest Crosswind V, for in-ground pools up to about 17,000 gallons, with a long parts warranty and built-in app control.
Amazon $4,100The Raypak Crosswind V 4550 rates 3.2 among in-ground pool heat pumps; the Raypak Crosswind 70K rates 3.2 among above-ground ones.

A mid-size Raypak inverter for small to average in-ground pools, for owners who want heat and chill on a modest circuit.
RaypakPrices were last checked October 27, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Scores side by side
These two sit in different pool size classes (in-ground and above-ground), and each is scored against the reference points for its own class, so a rating says how well each does among its own pool size peers. How we rank explains each factor.
| Factor weight | Raypak Crosswind V 4550 | Raypak Crosswind 70K |
|---|---|---|
| Overall rating | 3.2/5 | 3.2/5 |
| Efficiency 25% | 50 COP 5.8 at 80 °F air | 50 COP 5.8 at 80 °F air |
| Cool weather 20% | 56 COP 4 and 66% of its rated output at 50 °F air | 45 COP 4 and 61% of its rated output at 50 °F air |
| Value 20% | 40 $4,100 for 85,000 BTU ($48 per 1,000 BTU) | 50 no current price (neutral score used) |
| Warranty 15% | 76 7-year compressor, 7-year parts, 2-year labor | 43 3-year compressor, 3-year parts, 3-year labor |
| Cold air 10% | 50 lowest operating air temperature not published (neutral score used) | 50 lowest operating air temperature not published (neutral score used) |
| Noise 10% | 10 64 dB(A) | 55 55 dB(A) |
Specifications
| Raypak Crosswind V 4550 | Raypak Crosswind 70K | |
|---|---|---|
| Heating ratings | ||
| Output, 80 °F air / 80% RH / 80 °F water | 85,000 BTU | 66,000 BTU |
| COP, 80 °F air | 5.8 | 5.8 |
| Output, 50 °F air / 63% RH / 80 °F water | 56,000 BTU | 40,000 BTU |
| COP, 50 °F air | 4 | 4 |
| Output kept at 50 °F | 66% | 61% |
| AHRI certified | No | Yes |
| Compressor | Single speed | Variable speed |
| Defrost | - | Yes |
| Heat and cool | No | Yes |
| Sound level | 64 dB(A) | 55 dB(A) |
| Installation | ||
| Power | 230 V, 50 A breaker | 230 V, 35 A breaker |
| Water flow | 20 to 40 gpm | 20 to 80 gpm |
| Recommended pool size | Up to 16,807 gal | - |
| Heat exchanger | titanium | titanium (spiral tube in PVC) |
| Refrigerant | R-410A | R-32 |
| Size (W × D × H) | 33.8 × 33.8 × 37.8 in | 43.9 × 19.4 × 33.9 in |
| Weight | 260 lb | 211.6 lb |
| Features | ||
| Wi-Fi | Built in | Built in |
| App | Raymote | Raymote |
| Automation compatibility | - | Poolside Tech Attendant |
| Warranty and models | ||
| Warranty | 7 yr compressor, 7 yr parts, 2 yr labor, 10 yr heat exchanger | 3 yr compressor, 3 yr parts, 3 yr labor, 7 yr heat exchanger |
| Warranty terms | 7 years parts, 2 years labor; titanium tube of the heat exchanger 10 years parts (2 years labor). Single-family residential only; any other installation gets 1 year parts and labor. Contiguous 48 states. | 3 years parts and labor; titanium tube of the heat exchanger 7 years parts only (1 year labor). Single-family residential only; any other installation gets 1 year parts and labor. Contiguous 48 states. |
| Also sold as | - | Rheem CROSSWIND 50/70/90 |
| Released | - | 2026 |