Advantage Of Radon Ventillation System To Attic Vs Direct Vent
Without any air movement temperatures in the attic soar in summer and plunge in winter.
Advantage of radon ventillation system to attic vs direct vent. The additional cost of electricity for forced air systems will vary depending upon the size of the fans the number of fans used and the amount of use. Having the vent stack opening above the roof of the house makes it possible for the radon contractor to get the radon system exhaust further away from doors windows and other openings. An exhaust only ventilation system depends on one or more exhaust fans usually bathroom exhaust fans that either operate continuously or intermittently. Minimum diameter vent pipe.
When radon is vented from the radon mitigation system it tends to sink and there is a danger of radon re entering the building through doors and windows due to the vacuum stack effect. This type of ventilation system is usually set up to ventilate a house at the rate recommended by ashrae 62 2 somewhere in the range of 50 to 100 cfm for most homes. According to the epa. Yes it might be dangerous if you are standing on the roof or on a ladder above the radon vent pipe and you could feel the air blowing in your face.
As long as the pipe vents above the roof and you are not on the roof you should be just fine. The installation costs for forced air systems ranging from simple window fans to elaborate heating ventilation and air conditioning hvac systems will range from 25 to as much as 1 000. A recent health canada study revealed that a side wall terminated radon mitigation system saves 57 in labor and 14 in material costs compared to a roof terminated system while yielding similar radon reduction levels. I m assuming your radon vent pipe termination point is about 10 feet or more above the ground.
A radon system installed through the attic is more appealing to potential buyers as it is not a noticable component on the outside of the house. An electrical circuit must be provided and terminate in the attic near the radon vent pipe for the purpose of serving a future fan. Without ventilation unfinished attic spaces can end up having stagnant air. Direct vent gas appliances are a much more reliable solution.
In most situations the attic installed radon mitigation system is routed through the garage to the attic space above it. Side wall radon mitigation system for existing homes. Avoid re entrainment of radon gas.