Top 5 Norwalk 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✓ | ★★★☆☆ | ★★★☆☆ | ★★★★☆ | ★★★★☆ | ★★★★★ |
| ARS/Rescue Rooter | ★★★★☆ | ★★★★☆ | ★★★★☆ | ★★★☆☆ | ★★★☆☆ |
| Four Seasons Heating & Air | ★★★★☆ | ★★★★★ | ★★★★☆ | ★★★★☆ | ★★★★☆ |