AquaCal’s largest inverter model, for big pools up to about 40,000 gallons where a 40 A circuit and heat-and-cool matter.
Inyo Pools $5,519 HVACDirect $5,519
For large pools or pool-and-spa setups that need a lot of heat from one single-phase unit, ideally on Pentair automation.
- 145,000 BTUOutput (80 °F air)
- 5.8COP (80 °F air)
- 90,000 BTUOutput (50 °F air)
- Single speedCompressor
- 10 yr compressorWarranty
Price checked October 26, 2026. As an Amazon Associate we earn from qualifying purchases.
- Among the most output in a single-phase unit: 145,000 BTU at 80 °F air
- 10-year compressor and lifetime heat exchanger warranty
- Talks directly to Pentair IntelliTouch and EasyTouch automation
- No active defrost, so it stalls sooner on cold nights
- Only 2 years of general parts and labor cover, and 1 year if bought online
- No Wi-Fi or app of its own
The Pentair UltraTemp family
Every Pentair UltraTemp model we rank, smallest first. Ratings compare each against its own pool size.
| Model | Output (80 °F air) | Rating | Price |
|---|---|---|---|
| Pentair UltraTemp 110 | 110,000 BTU | 3.4/5 | $5,999.99 |
| Pentair UltraTemp 140 Heat/Cool | 140,000 BTU | 3.1/5 | $6,680 |
| Pentair UltraTemp 140 (this one) | 145,000 BTU | 3.3/5 | $6,999 |
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 | 460934 |
|---|---|
| Heating ratings | |
| Output, 80 °F air / 80% RH / 80 °F water | 145,000 BTU |
| COP, 80 °F air | 5.8 |
| Output, 50 °F air / 63% RH / 80 °F water | 90,000 BTU |
| COP, 50 °F air | 4 |
| Output kept at 50 °F | 62% |
| AHRI certified | Yes |
| Compressor | Single speed |
| Defrost | No |
| Heat and cool | No |
| Installation | |
| Power | 230 V, 70 A breaker |
| Water flow | 30 to 120 gpm |
| Heat exchanger | titanium |
| Refrigerant | R-410A |
| Features | |
| Wi-Fi | No |
| Automation compatibility | Pentair IntelliTouch, Pentair EasyTouch |
| Warranty and models | |
| Warranty | 10 yr compressor, 2 yr parts, 2 yr labor, lifetime heat exchanger |
| Warranty terms | Heat pump 2 years parts and labor, compressor 10 years, titanium heat exchanger lifetime, from installation; register to activate. Requires professional installation (otherwise 1 year parts only). Internet purchases, even from authorized online resellers, get 1 year parts only. |
Alternatives in this pool size
AquaCal’s long-running SuperQuiet design for a typical in-ground pool, for owners who want strong cool-weather heating and the option to chill.
Amazon $5,600 HVACDirect $4,652A high-output AquaCal for large in-ground pools, slotting between the SQ140R and SQ200R in size.
HVACDirect $5,316Compare
Compare the Pentair UltraTemp 140 with any other pool heat pump →
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