| Arena type | Refrigerant | Arenas | Floor space | ||||
|---|---|---|---|---|---|---|---|
| # | QI | millions of m2 | QI | Arena type (%) | Total floor area (%) | ||
| Stand-alone single rink arenas | HFC/HCFC | 239 | A | 0.79 | A | 22.0 | 7.0 |
| Ammonia | 679 | A | 2.22 | A | 61.0 | 19.0 | |
| Carbon dioxide | 11 | A | 0.03 | A | 1.0 | 0.0 | |
| Other | 27 | A | 0.08 | A | 2.0 | 1.0 | |
| Don't know | 178 | A | 0.53 | A | 15.0 | 5.0 | |
| Subtotal | 1,134 | A | 3.65 | A | 100.0 | 31.0 | |
| Stand-alone multi rink arenas | HFC/HCFC | 26 | A | 0.18 | A | 10.0 | 2.0 |
| Ammonia | 169 | A | 1.31 | A | 72.0 | 11.0 | |
| Carbon dioxide | 6 | C | 0.05 | C | 3.0 | 0.0 | |
| Other | 5 | B | 0.04 | B | 2.0 | 0.0 | |
| Don't know | 25 | A | 0.23 | A | 13.0 | 2.0 | |
| Subtotal | 232 | A | 1.81 | A | 100.0 | 15.0 | |
| Multiplex sports complexes and professional sports venues | HFC/HCFC | 127 | A | 0.63 | A | 10.0 | 5.0 |
| Ammonia | 591 | A | 5.02 | A | 80.0 | 43.0 | |
| Carbon dioxide | 9 | A | 0.08 | B | 1.0 | 1.0 | |
| Other | 20 | A | 0.12 | A | 2.0 | 1.0 | |
| Don't know | 69 | A | 0.46 | A | 7.0 | 4.0 | |
| Subtotal | 816 | A | 6.30 | A | 100.0 | 54.0 | |
| Canada | HFC/HCFC | 392 | A | 1.60 | A | N/A | 14.0 |
| Ammonia | 1,439 | A | 8.54 | A | N/A | 73.0 | |
| Carbon dioxide | 26 | A | 0.15 | A | N/A | 1.0 | |
| Other | 52 | A | 0.24 | A | N/A | 2.0 | |
| Don't know | 273 | A | 1.22 | A | N/A | 10.0 | |
| Total | 2,182 | A | 11.76 | A | N/A | 100.0 | |
Notes:
(1) Due to rounding, numbers may not add up to the total shown, and some numbers may differ from one table to the next.
(2) Quality indicators (QI) classify each estimate according to its quality as follows: A–Excellent, B–Good, C–Acceptable, F–Unreliable, and X–suppressed due to confidentiality.