Even if you bought the house with insulation already installed into it it s best to double check.
Attic is cold in an old house.
Taking advantage of this natural process referred to as passive ventilation is the most common way to vent an.
Plan to pull up the flooring and layer new insulation on top of the old.
But if the floor is covered in plywood you can t stuff enough insulation beneath it to do the job sufficiently not even in warm climates.
Your actual living space is sealed and insulated at the attic floor the attic is outside this envelope.
The insulation must meet doe standards.
If there are asphalt shingles on your roof the attic must be ventilated to comply with the terms of the manufacturer s warranty.
The attic is often the easiest place to add insulation.
Because the simplest and cheapest way to insulate an attic is to add material to the floor.
Gable vents around 25 each plus 75 per vent for labor can lower attic temperatures about 10 degrees.
This answer will vary from old house to old house.
Read more about the 3 types of heat here.
Don t avoid ventilating your attic for fear you re letting cold air into the house.
If there are asphalt shingles on your roof the attic must be ventilated to comply with the terms of the manufacturer s warranty.
The answer to making an old house inhabitable is insulation.
A ridge and soffit ventilation system an extra 200 during reroofing will reduce attic temperature to around 100 degrees.
Your actual living space is sealed and insulated at the attic floor the attic is outside this envelope.
The exfiltration of warm interior air through your attic and the infiltration of cold outside air through your basement or crawl space could be to blame.
If you have an unfinished and unconditioned attic like many old houses my first recommendation would be to add batt insulation on the underside of the roof.
As mentioned most heat loss is typically through the roof.
By chris deziel it may seem incongruous to allow cold air into your attic in the middle of winter but attic venting is an important climatic control that protects your house from moisture rot and.
When reroofing use white or pale gray shingles instead of dark ones.
Don t avoid ventilating your attic for fear you re letting cold air into the house.
The majority of heat loss and gain occurs in your attic.
If the attic is unfinished the insulation should be installed on the floor.
Also make sure your attic is ventilated.
Hot air exhaust vents located at the peak of the roof allow hot air to escape.