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Heat Recovery Ventilators (HRV)/Energy recovery ventilation (ERV)

Energy recovery Ventilators (ERV) is the energy recovery process of exchanging the energy contained in normally exhausted building or space air and using it to treat (precondition) the incoming outdoor ventilation air in residential and commercial HVAC systems. During the warmer seasons, the system pre-cools and dehumidifies while humidifying and pre-heating in the cooler seasons.[1] The benefit of using energy recovery is the ability to meet the ASHRAE ventilation & energy standards, while improving indoor air quality and reducing total HVAC equipment capacity.



This technology has not only demonstrated an effective means of reducing energy cost and heating and cooling loads, but has allowed for the scaling down of equipment. Additionally, this system will allow for the indoor environment to maintain a relative humidity of 40% to 50%. This range can be maintained under essentially all conditions. The only energy penalty is the power needed for the blower to overcome the pressure drop in the system.

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Honeywell VNT5150H1000

150 CFM TrueFRESH Heat Recovery Ventilation System

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Honeywell Home Heat Recovery Ventilators

Simple Ventilation for Colder Climates

The Heat Recovery Ventilator has a streamlined design and simplified balancing so there's no need for overhead ducting. The ventilator uses the heat in stale exhaust air to preheat incoming fresher air, making it great for extreme cold weather.

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Lifebreath

Lifebreath is another company also offering a wide range of ERVs and HRVs. The aluminum core integrated into their products is so durable that the company offers a limited lifetime warranty on the products they manufacture.

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Renew Aire EV 130

Renew Aire brings several different ERV models designed for both residential homes and commercial buildings. One of the top products offered by Renew Aire is the EV 130 which has an airflow range of 50-140 CFM.

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Broan HRV 250 TE

Broan offers a wide range of ventilation products including HRVs and ERVs. The HRV 250 TE is a unique HRV designed specifically for mid to large size homes. Furthermore, this HRV works great for extremely cold climates as it reportedly has a 66% heat recovery efficiency when the outside temperature is -13 degrees Fahrenheit.

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Ultimate Air ER80M ERV RecoupAerator

Ultimate Air specializes in a wide range of ERVs designed for homes of all different sizes. The Ultimate Air ER80M ERV RecoupAerator reportedly has a 99% heat recovery efficiency and a 45% cooling recovery efficiency meaning that this device will help keep your home warmer in the winter and cooler in the summer.

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Zehnder Novus 300

Zehnder America offers a wide variety of HRVs and ERVs for different types of passive homes in differing climates. The Zehnder Novus 300 Ventilation Unit is one of the most efficient models in the world at 93% efficiency.

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NOVUS 300 VENTILATION UNIT

The Novus 300, with a capacity of 175 cfm, offers the absolute maximum performance. Rated by the Passive House Institute at 93% efficiency, this model is the most efficient in the world. Features include ECM motors for energy efficiency and ease of balancing, summer by-pass cooling, frost protection mode, and ERV option. Additional options and accessories also available. This model also features automatic flow control on intake and exhaust streams for optimum and easy control of the home’s environment.  The Novus 300 is a Certified Passive House Component...

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FOCUS 200 VENTILATION UNIT

The Focus 200, with a capacity of 125 cfm, offers the absolute maximum efficiency. Rated by the Passive House Institute at 91% efficiency, this model is compact and extremely efficient. Features include ECM motors for energy efficiency and ease of balancing, frost protection mode, and ERV option. Additional options and accessories also available. The Focus is a Certified Passive House Component...

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COMFOAIR 550 VENTILATION UNIT

The choice for large residential and small commercial projects or schools, the CA 550 has a maximum capacity of 325 cfm. The CA 550 has all the features of our smaller capacity units, including ECM motors for energy efficiency and ease of balancing, summer bypass cooling, frost protection mode, and optional resistance pre-heater and ERV option. Additional options and accessories also available. The CA 550 is a Certified Passive House Component (HRV only).

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COMFOAIR 350 VENTILATION UNIT

The primary house ventilation unit for average-sized homes, the CA 350 has a maximum capacity of 215 cfm. Certified by the Passive House Institute at 84% efficiency, the CA 350 features ECM motors for energy efficiency and ease of balancing, summer bypass cooling, frost protection mode, and optional resistance pre-heater and ERV option. Additional options and accessories also available. The CA 350 is a Certified Passive House Component (HRV only).

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COMFOAIR 200 VENTILATION UNIT

Designed for excellent efficiency and installation in smaller homes or apartments, the CA 200 can be mounted vertically or horizontally. With a maximum capacity of 125 cfm, the CA 200 has been certified at 92% efficiency by the Passive House Institute. Features include ECM motors for energy efficiency and ease of balancing, summer bypass cooling, frost protection mode, and optional resistance pre-heater and ERV option. Additional options and accessories also available. The CA 200 is a Certified Passive House Component (HRV only).

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COMFOAIR 160 VENTILATION UNIT

The ComfoAir 160 is ideally suited for apartments where it provides balanced ventilation with a constant supply of fresh air. It is equally well suited to new build and refurbishment applications. It incorporates constant volume motors to ensure guaranteed installed performance under all conditions and incorporates a summer bypass to provide cool night air during the summer months to increase comfort. There are an optional resistance pre-heater and an ERV option. The CA160 is a Certified Passive House Component.

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COMFOAIR Q VENTILATION UNIT

The ComfoAir Q is the new generation of heat recovery ventilation units, a “quantum” leap over conventional HRVs/ERVs on the market until now. The Q builds on the superior performance and established success of ComfoAir systems with features such as improved heat recovery efficiencies, integrated humidity sensors and app-based controls to provide a world class, comfortable, healthy and energy-efficient indoor climate.