Hrv Air Exchanger Installation

Caution the hrv and forced air system must be in continuous mode to achieve maximum comfort and to avoid cross contamination.

Hrv air exchanger installation.

The least expensive approach often called a simplified system configures the hrv erv so that it pulls exhaust air from the main return duct of the forced air system and dumps fresh air into the same duct a few feet downstream. Fresh air is drawn into the house through the second duct line. Hrv retrofits for existing houses 29 6. Creating two 6 inch diameter duct holes through an exterior wall one for fresh air intake and one for stale air exhaust is usually the most challenging part of any hrv installation job especially if you ve got to go through a masonry wall.

Hrv and locating unit for easy access and routine maintenance. As the air passes through the heat exchanger the heat within it is retained and temporarily stored. You should check with your local code or the forced air system s manufacturer. Lunos is a decentralized system with a series of self contained units each with their own ceramic heat exchange core.

Nine years ago i co authored a journal of light construction article with david hansen on hrv installation. An hrv is not intended to handle grease or smoke so a range hood should be separately exhausted to the exterior fresh air is supplied to the. Stale air and moisture from inside the house are pumped outside via the first duct line. A05260 hrvxxlhb unit note.

Can be different from a region to another. Be used to drive air exchange but a supply only approach can pressurize the house and drive moisture laden air into the. Read the entire instruction manual before starting the installation. This heat recovery ventilation hrv system is very different than what people are probably used to seeing where air is directed to a centralized core for a heat exchange before being exhausted from the house.

Punching holes through outdoor walls. The cross flow design core allows entering and leaving air streams to transfer heat energy without mixing. The article noted stale air is exhausted from bathrooms the laundry and the kitchen.