Venmar Ventilation Air Exchanger
Home Ventilator Systems

Air Exchanger, Heat Recovery Ventilation (HRV) and
Energy Recovery Ventilation (ERV) Systems

For the past two decades mounting evidence suggests that dependence on the natural exchange of air between the indoors and outdoors through air infiltration and exfiltration may not be sufficient for good moisture control and indoor air quality. It also has become increasingly obvious that traditional ventilation methods, like opening a window or use of a common bath fan, are not providing adequate ventilation. A properly designed and installed ventilation system is the key to positive moisture control and will help ensure a healthy indoor environment for the occupant.

The solution is an air exchanger, heat recovery ventilator (HRV) or energy recovery ventilator (ERV). These mechanical ventilation systems use fans to maintain a low-velocity flow of fresh outdoor air into the house (incoming air stream) while exhausting out an equal amount of stale indoor air (exhaust air stream). Fresh air is supplied to all levels of the house while stale air is removed from areas with high levels of pollutants and moisture.

Installing a Home Ventilation System

Air exchangers, HRV and ERV ventilation air exchange systems can be installed in an existing home, as well as a new home, and is an integral part of the heating and air conditioning system. Air exchange ventilation systems can be utilized with any forced air system equipped with a blower and duct system. They can also be used with non-forced air systems (floor heat coils, for instance) as an independent system.

General Design Considerations for an Air Exchange, ERV or HRV Ventilation System

The following tips are suggested to improve performance:

• Locate the fresh air intake away from driveways and laundry and furnace vents.
• Install a supply inlet (dedicated inlet or heating register, if connected to forced air) for each bedroom and one for each common area.
• Install a return outlet in each high moisture area such as the kitchen, utility room and bathroom.
• Return outlets (pick up points) should be within one foot of ceiling and ten feet away from an oven or cooktop, as vaporized grease could clog the energy recovery core.
• Keep duct runs as short and straight as possible.
• Use smooth, round ductwork when possible.
• Insulate intake/exhaust and any ventilation ducts in unheated spaces and seal all joints.
• Install a drain to catch any condensate, if required.

ERV vs HRV

To better understand the difference between an ERV (Energy Recovery Ventilator) and a HRV (Heat Recovery Ventilator), click the following links:

• Energy Recovery Ventilation
• Heat Recovery Ventilation

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Venmar Air Exchange Home Ventilation System Options

Air Exchanger

Venmar EA1500 Air Exchanger (up to 2000 sq. ft. homes)

The Venmar EA1500 Air Exchanger is an affordable solution to solve excess humidity problems and is the most cost-effective way to improve indoor air quality and reduce excess humidity by continually exchanging stale, polluted indoor air with fresh, revitalized outdoor air. This air exchanger, which installs easily in small places, expels excess humidity and reduces the risk of window condensation, helping to prevent damage and deterioration to your home. more info

Heat Recovery Ventilators:

Venmar HEPA 3100 HRV (upgrade for the 3000)

The healthy solution for optimal indoor air quality is a Venmar HEPA 3100 unit, the ultimate system for optimal Indoor Air Quality. In addition to providing excess humidity control and heat recovery functions, it can also help reduce symptoms of respiratory ailments and allergies, thanks to its remarkable HEPA filter with antimicrobian protech, which captures 99.97% of all dust and particles even those as small as 0.3 micron ( 1 human hair = 150 microns). more info

Venmar Constructo HRV Series (1.0, 1.5 and 2.0)

Constructo is state-of-the-art ventilation technology that is ideal for new residential construction or renovation projects where available space is limited because it is 20% smaller than comparable units. The Constructo is available with horizontal or vertical ports (factory-configured) and is simple to install and easy to maintain. The Constructo can be upgraded to an energy recovery ventilator (ERV) with a simple swap of its core. more info

Venmar EKO 1.5 Ultra Efficient HRV with Homeshield Defrosting System

The AVS HRV EKO 1.5 has been designed to be one of the most eco-friendly HRV air exchangers on the market. Its innovative design incorporates extremely high performance ECM (Electronically Commutated Motor) motors that are equivalent in power to a compact fluorescent bulb (13.5 watts each), which enables EKO to significantly lower energy costs without affecting its performance. Additional energy efficiency is found through its advanced heat recovery core, which can retain up to 80% of home’s heating. EKO surpasses energy-saving standards while providing effective heat recovery, ventilation and quiet operation. All aspects have been designed to facilitate balancing of air flow and simplify uses and installation. more info

Venmar Solo HRV Series (1.5 and 2.0)

The Solo is a very popular choice and one of the best heat recovery air exchangers (HRV) of its category, Solo air exchangers deliver an exceptional level of indoor air quality and excess humidity control.  Featuring a robust polypropylene core, the Solo provides mid-size homes with fresh air all year and retains heat in colder climates for improved home comfort.  Optional filter upgrades are available to boost the filtration level while versatile main or optional wall controls make it easy to manage excess humidity and air flow throughout the home. more info

Venmar HE (High Efficiency) HRV Series (1.3, 1.8 and 2.6)

Venmar High Efficiency Ventilators have the most powerful and efficient heat recovery performance on the market. They deliver unparalleled indoor air quality and excess humidity control to medium size homes (refer to local building code). This state-of-the-art unit also comes with feature-rich main and optional wall controls and push-buttons for added functionality offering even greater home comfort. If you’re willing to spend a little more for the best heat recovery system (HRV) on the market, install a High Efficiency air exchanger. more info

Energy Recovery Ventilators

Venmar HEPA 4100 ERV (upgrade for the 4000)

The healthy solution for optimal indoor air quality is a Venmar HEPA 4100 unit, the ultimate system for optimal Indoor Air Quality. In addition to providing excess humidity control and heat recovery functions, it can also help reduce symptoms of respiratory ailments and allergies, thanks to its remarkable HEPA filter with antimicrobian protech, which captures 99.97% of all dust and particles even those as small as 0.3 micron ( 1 human hair = 150 microns). more info

Constructo 1.0 ERV

The Constructo 1.0 ERV is ingenious air exchange solution that’s as versatile as it is compact. Configured with factory built vertical or horizontal ports, the Constructo 1.0 can fit almost anywhere. Tucked in a bulkhead or closet, it’s the most versatile 100 CFM unit available on the market today. This compact, lightweight, and powerful unit is the ideal choice for small prefab and tract houses and other limited space applications. What’s more, it is the only air exchanger of its size that can be transformed from an Energy Recovery Ventilator (ERV) to an Heat Recovery Ventilator (HRV), simply by changing its core. The Constructo 1.0 ERV is available in horizontal or vertical ports. more info

Constructo Quattro ERV Series (1.5 and 2.0)

The Constructo Quattro series transfers energy and moisture from one airstream to another, which optimizes energy recovery and maintains proper humidity levels in all climates. Designed for mid-sized homes (1.5 cfm airflow range is 60 - 148 and 2.0 cfm airflow range is 80 - 183), the Quattro has the following features:

• When it is Hot and Humid, the Quattro limits the amount of heat and moisture entering the home to optimize comfort, enhance energy efficiency and reduce strain on air conditioner.
• When it is Hot and Dry, the Quattro recovers moisture to maintain proper humidity levels inside, keeps heat from entering the home and reduces strain on humidifiers.
• When it is Cold and Dry, the Quattro recovers heat and moisture to optimize energy recovery, eliminates drafts, thereby reducing strain on humidifiers.
• When it is Cold and Humid, the Quattro recovers heat and moisture to optimize energy recovery, eliminates drafts, thereby reducing strain on humidifiers.more info

Venmar Duo ERV Series (1.2, 1.4 and 1.9)

The DUO is the ultimate solution for year-round energy efficiency. Highly reliable DUO air exchangers improve indoor air quality while providing year-round ventilation. Ideal for mid-size homes (refer to local building codes), the Duo units, besides exchanging polluted indoor air for a continuous supply of fresh outdoor air, are specifically designed to help retain heat in cold climates and reduce the load on cooling systems in warm climates. Optional filter upgrades and wall controls are also available to customize the unit to suit the air exchange performance requirements of each user. more info

Get the Ultimate in Clean Air for Your Home

Combine an Air Oasis Induct Air Purifier with a Venmar Ventilation System (or any HVAC system) and get the ultimate in pure air in your home.

The Venmar Air Exchange System is fabulous for recovering heat or energy, providing fresh air, controlling humidity and removing particulate (dust, pollen, dander, etc.), but by adding the powerful broad-spectrum pollution purification abilities of an Air Oasis HVAC Induct Air Purifier, you get the ultimate in whole-house clean air. Air Oasis air purifiers destroy bacteria, viruses, pesticides, herbicides, mold spores, chemical fumes and gases, VOCs, odors and more from your ductwork and every room served by a vent.

The residential and business HVAC (heating, ventilation and air conditioning) induct models are designed for use with forced-air heating and central air conditioning systems (HVAC) to purify the air in all rooms served by ductwork in small to large single-family homes and office buildings. Turn your central heating and cooling system into an air-cleaning machine to significantly reduce pollutants and contaminants in your entire home or business. For more information, see the Air Oasis Air Purifiers.

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Copyright 1997-2010 Carol A. James All rights reserved. Last update: August 14, 2010