Pros And Cons Of A Hrverv

A HRV or ERV has asset of benefits as well as flipsides. Let’s take a look at them.

Pros

• The fresh inbound air can be made warmer by extracting heat from the outbound air. The rooms will feel cosier and it will be easier on the furnace in heating the house. The incoming air can also be made cooler in summers by extracting its heat and dumping it in the outbound stream.

• Dry air from outside can be infused with right level of moisture. Dry winter air has an effect on the heath of the residents as well as furnishings and wall paint. Bone dry room air lead to cracking wooden furniture and peeling wall paints.

• The design of an HRV allows an install to avoid bad locations for outdoor air intake.

• The ducted systems circulate fresh air to various rooms efficiently.

• The HRV units minimizes pressurization or depressurization with balanced flow

• These units can use bathroom pickups instead of bath fans to vent out the stale air from the bathrooms.

Cons

• The systems are effective only if the house is airtight.

• It is quite a costly way of ventilating the house. Installation is expensive.

• The system design is complicated and need an installer to set it up.

• The airflow should be measured and balanced for optimum operation of the system.

• There are maintenance hassles. You need to change and wash filters after every couple of months

• In heat recovery industry there are not enough specifications with regards to standards. The products that are being used today may not have manufactures’ support in a few years from now.

• HRVs in their task of recovering heat from outbound airstream increases the pressure drop of the air handling system and the power demand of the fans.

• Is not very effective in milder climates.

 

 

 

 

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