A budget inverter heat pump in a traditional in-ground cabinet for pools up to about 22,000 gallons, for buyers who put price first.
Amazon $2,006.91
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.
- 85,000 BTUOutput (80 °F air)
- 5.8COP (80 °F air)
- 56,000 BTUOutput (50 °F air)
- Single speedCompressor
- 7 yr compressorWarranty
Price checked October 27, 2026. As an Amazon Associate we earn from qualifying purchases.
- COP 5.8 at 80 °F air and 56,000 BTU still delivered in 50 °F air
- 7-year parts warranty, longer than most
- Runs pumps, valves and a backup gas heater itself, with free Wi-Fi app control
- Heat only; there is no cooling version at this size
- Needs a 50 A breaker
- No published minimum operating temperature
The Raypak Crosswind V family
Every Raypak Crosswind V model we rank, smallest first. Ratings compare each against its own pool size.
| Model | Output (80 °F air) | Rating | Price |
|---|---|---|---|
| Raypak Crosswind V 4550 (this one) | 85,000 BTU | 3.2/5 | $4,100 |
| Raypak Crosswind V 5550 | 102,000 BTU | 3.5/5 | $3,945 |
| Raypak Crosswind V 6550 Heat/Cool | 115,000 BTU | 3.4/5 | $4,570 |
| Raypak Crosswind V 6550 | 118,000 BTU | 3.6/5 | $4,305 |
| Raypak Crosswind V 8550 Heat/Cool | 137,000 BTU | 3.4/5 | $5,200 |
| Raypak Crosswind V 8550 | 138,000 BTU | 3.6/5 | $4,450 |
How it scores
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its pool size. How we rank explains each one.
Specifications
| Model number | TWPH-4550EHT08 |
|---|---|
| Heating ratings | |
| Output, 80 °F air / 80% RH / 80 °F water | 85,000 BTU |
| COP, 80 °F air | 5.8 |
| Output, 50 °F air / 63% RH / 80 °F water | 56,000 BTU |
| COP, 50 °F air | 4 |
| Output kept at 50 °F | 66% |
| AHRI certified | No |
| Compressor | Single speed |
| Heat and cool | No |
| Sound level | 64 dB(A) |
| Installation | |
| Power | 230 V, 50 A breaker |
| Water flow | 20 to 40 gpm |
| Recommended pool size | Up to 16,807 gal |
| Heat exchanger | titanium |
| Refrigerant | R-410A |
| Size (W × D × H) | 33.8 × 33.8 × 37.8 in |
| Weight | 260 lb |
| Features | |
| Wi-Fi | Built in |
| App | Raymote |
| Warranty and models | |
| Warranty | 7 yr compressor, 7 yr parts, 2 yr labor, 10 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. |
Alternatives in this pool size
For a pool and spa owner who wants one unit to heat in spring and fall and chill a cold plunge in summer, on a smaller pool.
HaywardA mid-size in-ground pool heater with good cool-weather output and a long dealer warranty, for buyers who only need heat.
Inyo Pools $5,729Compare
Compare the Raypak Crosswind V 4550 with any other pool heat pump →
More from Raypak: every Raypak product ranked.