R290 air conditioners in the UK: 355 models
355 models in this catalogue are registered with R290, and ElectriQ EIQ 2.7 kW (EIQ-9WMINVEX-V5) is the quietest at ≈50.0 dB(A). If you need a size, use the R290 list at that kW.
computed
Ranked models
355 models match. The table shows the first 40.
EPREL manufacturer-declared registrations · snapshot 25 Sep 2026 · n=355 · Every R290 registration, then outdoor sound power; families under 1.0 kW are left out as registration errors · updated 25 Sep 2026 · version 1.0.0 · CSV of the values on this page
How this page was calculated
If the calculated sound pressure level at all assessment positions is equal to or lower than 37.0 dB(A) then the heat pump will comply with the Permitted Development noise limit
Sized lists
- Quietest 3.5 kW (12,000 BTU) air conditioners in the UK
- Quietest 3.5 kW (12,000 BTU) air conditioners in the UK
- R290 3.5 kW (12,000 BTU) air conditioners in the UK
- R32 3.5 kW (12,000 BTU) air conditioners in the UK
- Highest-SEER 3.5 kW (12,000 BTU) air conditioners in the UK
- Highest-SCOP 3.5 kW (12,000 BTU) air conditioners in the UK
- Cheapest 3.5 kW (12,000 BTU) air conditioners to run in the UK
- Multi-splits for 2 rooms at 3.5 kW (12,000 BTU) in the UK
Better than one giant best-of: this list has no size cut, and each standard size has its own page.