Broan AI Series B210E75RS ERV
The ERV to pick for a large or tight home that needs more than 150 cfm, with easy self balancing setup. Smaller homes will be oversized by it.
Amazon $1,519$1,519
A recovery ventilator brings fresh outdoor air into a tight house and sends the same amount of stale air out, passing both streams through a core that moves heat from one to the other so the fresh air arrives close to room temperature. These rankings compare what the makers and the Home Ventilating Institute (HVI) publish on the same terms: how much heat each unit keeps, how much air it moves per watt, what it costs per cfm, how loud it is and how long it’s covered.
Ducted or ductless is the first choice. A whole-house unit connects to ducts that supply fresh air to bedrooms and living areas and pull stale air from kitchens and bathrooms. A ductless unit mounts in an outside wall and ventilates one room, with no duct runs, which suits an apartment, an addition or a single bedroom.
ERV or HRV is the second. An HRV recovers heat only, and suits cold climates where the house is damp in winter. An ERV also moves moisture, so it keeps winter air from getting too dry and holds summer humidity outside; it’s the usual choice in mixed and humid climates.
Airflow is the third. A common rule is about 7.5 cfm per bedroom plus one, plus 3 cfm per 100 sq ft of floor area. Most homes land between 60 and 150 cfm of continuous ventilation, so a whole-house unit rated at 0.4 in of static pressure should cover that with room to boost.
Top Picks
ACiQ AERV150EC ERV
The value pick for a mid size home: HVI certified airflow and recovery at a lower price than the Broan, with a long warranty if registered.
Amazon $899$899
Panasonic Intelli-Balance Elite 110
A strong whole house ERV for a small to mid size home in a mixed or humid climate, with top tier heat recovery and good filtration. Cold climate buyers should look at an HRV with stronger defrost.
Amazon $964.99$964.99
Shop by Type
Single room
5 rankedThrough-wall units for one room, an apartment or an addition, with no ducts to run.
Top rated: Vents TwinFresh Comfo RA1-50-2 $549
Whole-house ERV
6 rankedDucted ventilators that recover heat and moisture: the usual pick for humid summers or dry winters.
Top rated: Broan AI Series B210E75RS ERV $1,519
Whole-house HRV
5 rankedDucted ventilators that recover heat only: the usual pick for cold, damp climates.
Top rated: Broan AI Series B230H75RT HRV $1,690
Narrow It Down
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.
Best Ductless Single-Room ERVs and HRVs
- Vents TwinFresh Comfo RA1-50-2#1 of 5Full review
A low cost, very quiet way to bring fresh air into one bedroom or office without ducts. Buy two for a larger room, since one unit moves little air in recovery mode.
Amazon $549$54930 cfm88%7 W - Vents TwinFresh Expert RW1-50-2 Wi-Fi#2 of 5Full review
A quiet, app controlled through wall ventilator for one bedroom or office. It pays a premium for Wi-Fi over the Comfo for the same airflow.
Amazon $779$77930 cfm-7.1 W - Vents TwinFresh Expert RW1-85-2 V.2#3 of 5Full review
The highest airflow TwinFresh for a large room, studio or tiny home. Expect to run it below top speed in a bedroom because of the noise.
Amazon $949$94950 cfm-9.7 W - Pioneer ECOasis 50#4 of 5Full review
An inexpensive through wall ERV with good filtration for one bedroom, best bought as a pair. Its specs are thinner and less consistent than the Vents TwinFresh units.
Amazon $468$46835 cfm-- - Pioneer ECOasis 150#5 of 5Full review
A wall mounted ERV and air purifier in one for a single large room or small apartment. Buyers who want maximum fresh air per dollar will do better with a ducted unit.
Amazon $1,088$1,08888 cfm-43.8 W
Best Whole-House ERVs
- Broan AI Series B210E75RS ERV#1 of 6Full review
The ERV to pick for a large or tight home that needs more than 150 cfm, with easy self balancing setup. Smaller homes will be oversized by it.
Amazon $1,519$1,519206 cfm81%- - ACiQ AERV150EC ERV#2 of 6Full review
The value pick for a mid size home: HVI certified airflow and recovery at a lower price than the Broan, with a long warranty if registered.
Amazon $899$899142 cfm77%104 W - Panasonic Intelli-Balance Elite 110#3 of 6Full review
A strong whole house ERV for a small to mid size home in a mixed or humid climate, with top tier heat recovery and good filtration. Cold climate buyers should look at an HRV with stronger defrost.
Amazon $964.99$964.99110 cfm88%62 W - Broan AI Series B160E65RT ERV#4 of 6Full review
A self balancing whole house ERV for a mid size home that a homeowner or general contractor can commission without balancing tools. Expect higher power use at full flow than the Panasonic.
Amazon $1,139$1,139142 cfm76%122 W - Vents Frigate ERV 120 EC#5 of 6Full review
A quiet, easy to adjust ERV for a mid size home or apartment that will run at moderate speed most of the time. At full flow it uses more power than its rivals.
Amazon $1,249$1,249150 cfm71%175 W
Best Whole-House HRVs
- Broan AI Series B230H75RT HRV#1 of 5Full review
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$1,690225 cfm78%- - Fantech HERO 150H#2 of 5Full review
The heat recovery pick for a mid size home in a cold climate, backed by long core and motor warranties. It draws more power at full airflow than the Broan and ACiQ units.
Amazon $1,175$1,175150 cfm80%150 W - Broan AI Series B160H65RS HRV#3 of 5Full review
An affordable, self balancing HRV for a mid size home in a cold climate. Pay more for the B230H75RT or Fantech HERO if heat recovery matters most.
Amazon $1,021$1,021150 cfm68%- - Lifebreath RNC155 HRV#4 of 5Full review
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$1,636.66138 cfm75%- - Fantech FLEX 100H#5 of 5Full review
An HRV for a condo or apartment where space is the main constraint. Anyone with room for a full size unit gets far better recovery for the money from the Broan or HERO.
Amazon $1,131.63$1,131.63106 cfm61%-
How We Rank
Each ventilator is ranked against others of the same type, and scored on its sensible recovery efficiency, its airflow per watt, its price per cfm, its noise and its warranty.
| Factor | Measures | Weight |
|---|---|---|
| Heat recovery | sensible recovery efficiency | 25% |
| Efficiency | airflow per watt | 15% |
| Value | price per cfm of airflow | 25% |
| Quiet | noise in sones | 10% |
| Warranty | warranty length | 25% |
How we rank explains each factor in full.