Need ventilation ideas/FLORIDA

[Viperz06]

have a 1.5 garage that I keep a Porsche in. It is block construction attached with a sealed attic and a simple reflective heat shield on the underside of the roof. The block walls are insulated and so is the garage door. When I pull the car in after a drive and close the door the heat from the engine turns the whole garage into a sauna. Leaving the garage door open is not an option....snake country.

Any ideas on how I can add some ventilation? Don't want to breach the roof as it is tiled. Was thinking maybe something like a bathroom exhaust fan ducted out to the eave may work, but need to move more volume than that. Any ideas??

 

[gnpenning]

Welcome.

Thermostatic gable end vent would take care of your needs. If you don't already have a vents on both ends put a them in. Then on the side that has shade first or prevailing wind install a power vent. The thermostatic ones allow you to adjust the on/off temp to what works for you. You can put in an on/off switch (light switch) at a more convenient location as a master control . Easy and cheap.

 

[pcmeiners]

Agree, you definitely want a thermostat control. If you have ventilation which work 24 hr/day, passive or active, you will have condensation issues in the early morning hours around 3-7am. I ran a school building, if the fans were left on over night, dew point would hit and I had hallways flooded with water from the duct work, approx 5 gallon of condensation per floor. ended up having a computer control the air handling system.

 

[Tweeker]

You could let the car cool for an hour or 2 in the driveway...

 

[67carl]

Gable fan mounted on the inside, louver panel on the outside. I installed a timer on mine rather than a thermostat. It came with a thermostat, I just wired around it. Drive in, open the hood, open door on the opposite end of the garage (opens to a screen porch - you need to replace the air your evacuating from somewhere), push the 15, 30 or however many minutes I want button and done. Works great.