CompareFairlyAir to Water Heat Pump Comparison 2026
Our pick : Carrier Infinity 24 with Greenspeed® (100/100)
Comparison table
| Criterion | Carrier Infinity 24 with Greenspeed® | Mitsubishi Hyper-Heating H2i® | Bosch IDS Premium | Bosch IDS High Efficiency | Mitsubishi FH Series | Trane XV Series |
|---|---|---|---|---|---|---|
| Energy Efficiency Rating | Premium | Premium | Premium | High | High | Premium |
| Brand Reputation | Excellent | Excellent | Excellent | Excellent | Excellent | Good |
| Warranty (ans) | 12 | 12 | 10 | 10 | 10 | 10 |
| Sound Level (dB) (dB) | 55 | 55 | 60 | — | — | — |
| Service Availability | Excellent | Excellent | Excellent | Excellent | Excellent | Good |
| Smart Features | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
In short
This comparison evaluates eight heat pumps based on twelve criteria, including installation price, heating COP, heating capacity, energy efficiency rating, cooling EER, and brand reputation, with the Carrier Infinity 24 with Greenspeed® ranking first overall due to its perfect scores in service availability and energy efficiency rating. The facts in this summary are computed from the table below; only the wording is generated.
Frequently asked questions
What is the best air to water heat pump in 2026?
The Carrier Infinity 24 with Greenspeed® currently leads our comparison with a perfect score, followed closely by the Mitsubishi Hyper-Heating H2i®.
How much does an air to water heat pump installation cost?
Installation prices vary significantly between models and installers, and are a key factor in our comparison.
Which air to water heat pump has the highest COP?
The COP (Coefficient of Performance) for heating is a crucial metric we evaluate, indicating how efficiently a unit converts electricity into heat.
How do you rank air to water heat pumps?
Our rankings are based on objective data for criteria like Installation Price, COP, Heating Capacity, Energy Efficiency Rating, EER, and Brand Reputation; our comparison is neutral and not influenced by paid placements.
Methodology and transparency
Ranking: options are sorted on measured, sourced criteria. No position is ever sold, and no advertiser pays to appear here.
Scope: this comparison is not exhaustive. It presents the options our sources document, not every offer on the market.
Earnings: some outbound links may be affiliate links that earn us a commission. This never affects the ranking, the scores or the data.
Data: every value is linked to its source and refreshed automatically; the collection date is shown.