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.
HaywardThe Hayward HeatPro MCHX 110K Heat+Chill is the better pool heat pump overall, rated 3.3 to 2.8. The Hayward HeatPro MCHX 110K Heat+Chill leads on efficiency, cool weather and warranty. The AquaCal TropiCal T100 Inverter wins on cold air.
AquaCal’s inverter model for a typical 20,000 to 30,000 gallon in-ground pool, for owners who want quiet heat and cool on a smaller breaker than the SuperQuiet line needs.
Inyo Pools $4,770 HVACDirect $4,770Prices 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.
Which should you buy?
- Choose the Hayward HeatPro MCHX 110K Heat+Chill for efficiency (COP 5.7 at 80 °F air vs COP 5 at 80 °F air), cool weather (COP 4 and 68% of its rated output at 50 °F air vs COP 4.2 and 43% of its rated output at 50 °F air) and warranty (5-year compressor, 5-year parts, 2-year labor vs 5-year compressor, 3-year parts, 3-year labor).
- Choose the AquaCal TropiCal T100 Inverter for cold air (heats in air down to 5 °F vs heats in air down to 40 °F).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every in-ground pool heat pump; a clear win is highlighted. How we rank explains each one.
| Factor weight | Hayward HeatPro MCHX 110K Heat+Chill | AquaCal TropiCal T100 Inverter |
|---|---|---|
| Overall rating | 3.3/5 | 2.8/5 |
| Efficiency 25% | 44 COP 5.7 at 80 °F air | 0 COP 5 at 80 °F air |
| Cool weather 20% | 61 COP 4 and 68% of its rated output at 50 °F air | 29 COP 4.2 and 43% of its rated output at 50 °F air |
| Value 20% | 50 no current price (neutral score used) | 48 $4,770 for 108,000 BTU ($44 per 1,000 BTU) |
| Warranty 15% | 65 5-year compressor, 5-year parts, 2-year labor | 54 5-year compressor, 3-year parts, 3-year labor |
| Cold air 10% | 33 heats in air down to 40 °F | 100 heats in air down to 5 °F |
| Noise 10% | 50 noise not published (neutral score used) | 50 noise not published (neutral score used) |
Specifications
| Hayward HeatPro MCHX 110K Heat+Chill | AquaCal TropiCal T100 Inverter | |
|---|---|---|
| Heating ratings | ||
| Output, 80 °F air / 80% RH / 80 °F water | 110,000 BTU | 108,000 BTU |
| COP, 80 °F air | 5.7 | 5 |
| Output, 50 °F air / 63% RH / 80 °F water | 75,000 BTU | 46,000 BTU |
| COP, 50 °F air | 4 | 4.2 |
| Output kept at 50 °F | 68% | 43% |
| AHRI certified | Yes | No |
| Compressor | Single speed | Variable speed |
| Lowest operating air temperature | 40 °F | 5 °F |
| Defrost | Yes | Yes |
| Heat and cool | Yes | Yes |
| Installation | ||
| Power | 230 V, 65 A breaker | 230 V, 40 A breaker |
| Water flow | 30 to 75 gpm | 30 to 70 gpm |
| Recommended pool size | - | Up to 30,000 gal |
| Heat exchanger | titanium | titanium |
| Refrigerant | R-410A | R-32 |
| Size (W × D × H) | 30.5 × 33.6 × 44 in | 47 × 21 × 35 in |
| Weight | 237 lb | 207 lb |
| Features | ||
| Wi-Fi | No | Built in |
| App | - | PoolSync |
| Automation compatibility | - | AquaCal PoolSync Relay Center |
| Warranty and models | ||
| Warranty | 5 yr compressor, 5 yr parts, 2 yr labor, 10 yr heat exchanger | 5 yr compressor, 3 yr parts, 3 yr labor, lifetime heat exchanger |
| Warranty terms | Expert Line in-ground heat pumps (2026 terms): 5 years parts (compressor included), 2 years field labor (3 years from a Hayward Rewards/Totally Hayward partner), titanium tube 10 years; bought from Hayward or an authorized seller. The online W3 (Open Line) version is 1 year parts only, no labor. | National warranty (contiguous US, bought through an authorized dealer, installed after 1 Jan 2025): parts and on-site labor years 1-3 (trip fees waived); limited parts years 4-5 covering compressor, heat exchanger and evaporator coil (trip/shop fee may apply); limited lifetime parts-only cover on the ThermoLink titanium tubing. Original owner and site only. |
| Released | 2024-05 | - |
