# Which portable air conditioner has the highest BTU rating for larger rooms? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

Which portable air conditioner has the highest BTU rating for larger rooms?

## Products

### Garvee HDTPHO_0UIH6H5J
```yaml
product: garvee-hdtpho-0uih6h5j
brand: Garvee
price_gbp: 315.2
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
cooling_capacity: 14000
portable_or_window_mounted: Portable
```

- **Price:** £315.2 [^1]
- **Summary:** Garvee HDTPHO_0UIH6H5J is a portable air conditioner with a dehumidifier and remote, designed for faster cooling in large rooms (up to 750 sq.ft.). It uses a programmable timer for convenience. The listing highlights its high cooling output (14,000 BTU).
- **Ideal For:** If you want the portable air conditioner with the highest BTU rating for larger rooms, this model's 14,000 BTU cooling output is positioned for large-room coverage (up to 750 sq.ft.).
- **Additional Sources:** [^1]

### Costway HCST13918
```yaml
product: costway-hcst13918
brand: Costway
price_gbp: 324.67
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
cooling_capacity: 15000 british thermal units
portable_or_window_mounted: Portable
```

- **Price:** £324.67 [^2]
- **Summary:** This Costway HCST13918 is a 15000 BTU portable air conditioner with cool, dry, fan, and sleep modes plus a 24H timer. It uses energy-efficient R32 refrigerant and is sized for up to a 750 square feet room based on the listing's recommended room size.
- **Ideal For:** For larger rooms, the HCST13918's 15000 british thermal units ASHRAE cooling power is its key high-BTU spec among the available product details, making it the better fit versus lower-BTU portable units for bigger spaces.
- **Additional Sources:** [^3], [^2], [^3]

### Frigidaire FHPH142AC1
```yaml
product: frigidaire-fhph142ac1
brand: Frigidaire
price_gbp: 366.21
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
dimensions: 31in height x 19.5in width x 16.5in depth
noise_level: 52
cooling_capacity: 14000
energy_efficiency_rating: 7.8
dehumidification_capacity: 5.1
portable_or_window_mounted: Portable
```

- **Price:** £366.21 [^4]
- **Summary:** The Frigidaire FHPH142AC1 is a 3-in-1 portable unit that provides 14,000 BTU cooling plus supplemental heating. It also includes dehumidifying Dry Mode and an easy-to-clean washable dust filter, with a remote and programmable 24-hour on/off timer. It's designed for cooling and humidity reduction in rooms where you want a mobile air conditioner with window kit installation.
- **Ideal For:** For larger rooms, it's one of the highest-BTU options for this model line at 14000 BTU cooling capacity.
- **Additional Sources:** [^5], [^6], [^4], [^5], [^6]

---
## References & Sources
[^1]: Home Depot, accessed 2026-06-24. https://www.homedepot.com/p/Garvee-14-000-BTU-9-300-BTU-DOE-Portable-AC-Unit-with-Dehumidifier-and-Remote-Fast-Cooling-Up-to-750-sq-ft-HDTPHO-0UIH6H5J/328398640
[^2]: Home Depot, accessed 2026-06-24. https://www.homedepot.com/p/Costway-15000-BTU-Portable-Air-Conditioner-with-Fan-Dehumidifier-Sleep-Mode-24H-Timer-HCST13918/342551762
[^3]: Best Buy, accessed 2026-06-24. https://www.bestbuy.com/product/costway-15000-btu-portable-air-conditioner-with-fan-dehumidifier-sleep-mode-24h-timer-white/JJGPSHZYHK/sku/12473171
[^4]: Home Depot, accessed 2026-06-24. https://www.homedepot.com/p/Frigidaire-14-000-BTU-Portable-Air-Conditioner-Cools-450-sq-ft-with-Heater-and-Dehumidifier-in-White-FHPH142AC1/320173184
[^5]: Homery, accessed 2026-06-24. https://www.homery.com/product/frigidaire-fhph142ac1
[^6]: Shop Appliances, accessed 2026-06-24. https://www.shopappliances.com/products/frigidaire-fhph142ac1