Broan AI Series B230H75RT HRV
The HRV for a large home in a cold climate, with the most airflow here and easy commissioning. Smaller homes don’t need its capacity or its price.
Amazon $1,690$1,690
The Broan AI Series B230H75RT HRV is the better ERV or HRV overall, rated 3.8 to 3.4. The Broan AI Series B230H75RT HRV leads on value and heat recovery. The Lifebreath RNC155 HRV costs $53.34 less ($1,636.66 vs $1,690).
Lifebreath RNC155 HRV
A cold climate HRV with good heat recovery and a lifetime core warranty. Its price per cfm is high bought online, so compare it with the Broan and Fantech first.
Amazon $1,636.66$1,636.66
Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Broan AI Series B230H75RT HRV for value ($7.51 per cfm ($1,690, 225 cfm) vs $11.86 per cfm ($1,636.66, 138 cfm)) and heat recovery (78% sensible recovery vs 75% sensible recovery).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every whole-house HRV ERV or HRV; a clear win is highlighted. How we rank explains each one.
| Factor weight | Broan AI Series B230H75RT HRV | Lifebreath RNC155 HRV |
|---|---|---|
| Overall rating | 3.8/5 | 3.4/5 |
| Heat recovery 25% | 77 78% sensible recovery | 67 75% sensible recovery |
| Efficiency 15% | 50 power draw not published (neutral score used) | 50 power draw not published (neutral score used) |
| Value 25% | 71 $7.51 per cfm ($1,690, 225 cfm) | 38 $11.86 per cfm ($1,636.66, 138 cfm) |
| Quiet 10% | 50 noise not published (neutral score used) | 50 noise not published (neutral score used) |
| Warranty 25% | 67 5-year warranty | 67 5-year warranty |
Specifications
| Broan AI Series B230H75RT HRV | Lifebreath RNC155 HRV | |
|---|---|---|
| Performance | ||
| Core | HRV (heat only) | HRV (heat only) |
| Install | Ducted, whole house | Ducted, whole house |
| Airflow | 225 cfm | 138 cfm |
| Sensible recovery | 78% | 75% |
| Build | ||
| Frost protection | Yes | Yes |
| Filter | MERV 8 | MERV 6 |
| ENERGY STAR | No | Yes |
| HVI certified | Yes | Yes |
| Warranty | 5 years | 5 years |