On inspection i found the villain in the attic exactly as the customer described.
Attic fan for evening ventilation.
They can quickly remove a larger volume of hot and or humid air from your attic compared to static ventilation which helps save money on your heating and cooling.
This was observed on numerous days following the installation.
It is designed to lower the temperature of an attic by exhausting air from the attic and replacing attic air.
They are typically easier to install and won t detract from the appearance of your roof.
After attic fan installation ac still off during day.
During workdays would leave air conditioner off when leaving in the morning.
Attic fans perform this ventilation by pushing hot air out into the environment while also pulling fresh cool air into the attic.
A whole house fan can be run from early evening to early morning effectively cooling the structure of your home using the cool free outside air.
Good insulation reduces fan effectiveness.
When combined however they form a perfect union.
The result is a cooler attic space with plenty of air exchange.
Temp 84f at 5pm.
A powered attic ventilator has a different purpose.
However the utility of attic ventilation fans is actually quite a controversial topic.
Master flow egv5 gable mount attic ventilators are master flow egv5 gable mount attic ventilators are a great choice for exhaust ventilation.
More than 50 of the attic fans i see do not work and have current still live to the motor.
Ridge vent must me installed per the manufactures instructions.
Best ventilation is open soffit venting to a open vented ridge vent.
A single roof mounted solar powered attic exhaust fan.
The downside of attic ventilation fans.
Attic construction attic exhaust fan.
One of the leading causes for fires.
Attic fans and whole house fans together can help with home ventilation but they serve different purposes.
Do not use mechanical means electric attic fans.
Effective attic ventilation systems reduce damaging heat and moisture in your attic promote energy efficiency by helping to reduce the load on your air conditioner in the summer and also reduce the risk of ice dam formation on your roof.
Unlike a ventilation fan a whole house fan an attic mounted fan that exhausts air from a home at night is designed to cool a house that is to lower the indoor temperature.
Temp 92 f at 5pm.
The attic fan kept my house cooler by 8f compared to pre fan installation days.
Attic ventilation fans whether hard wired or powered by their own solar panels seem like a low cost and effective way to help keep your house cool.