Top 5 Waterloo providers scored across five ranking dimensions.
| Provider | Response Time | Pricing Transparency | Licensing | Service Breadth | Overall |
|---|---|---|---|---|---|
| One Hour Air Conditioning & Heating✓ | ★★★★☆ | ★★★★★ | ★★★★☆ | ★★★☆☆ | ★★★★☆ |
| Aire Serv Heating & Air✓ | ★★★☆☆ | ★★★☆☆ | ★★★★★ | ★★★☆☆ | ★★★★★ |
| Service Experts HVAC✓ | ★★★★☆ | ★★★★★ | ★★★★★ | ★★★★☆ | ★★★★☆ |
| American Air Conditioning | ★★★★★ | ★★★★★ | ★★★★★ | ★★★☆☆ | ★★★★★ |
| Four Seasons Heating & Air | ★★★☆☆ | ★★★★☆ | ★★★★★ | ★★★☆☆ | ★★★★★ |