Other ways on how to insulate an old house.
Portion of house no insulation in attic.
When you should insulate the garage.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
If your home s hvac system does extend into the garage then the attic above it should be insulated as it would for any other room of the house.
The table below shows what levels of insulation are cost effective for different climates and locations in the home.
This is the best way to keep your house cool in the summers while keeping it warm during the winters.
Both can be added to uninsulated attics or layered over existing material.
Insulating the attic above the garage will help keep temperatures in the garage a bit more stable but it won t have any appreciable effect on energy bills.
Combine these two tendencies and you can see why air bypasses can reduce the effectiveness of attic insulation by 30 to 70 percent.
For diy attic insulation you ve got two choices.
Loose fill or batt the common term for blanket insulation.
No matter the season or region attic insulation is a major part of any house.
If it is located in a conditioned part of the house also remember to insulate and air seal your attic access.
And when retrofitting an old or existing house you need to be very purposeful when it comes to how where and with what you insulate.
The attic should always be the first place you add insulation whether you live in florida or fargo.
Heat has a natural inclination to both rise and migrate to colder areas.
R value is a measure of insulation s ability to resist heat traveling through it.
After the attic windows are the second major problem.
The following are other measures you can take to keep heat in.
However most of the modern homes are designed to be energy efficient themselves and there is no point in installing the system then.
For the most part the attic is a big factor in heat loss.
Make sure you have storm windows in place.
The higher the r value the better the thermal performance of the insulation.
You can track down bypasses by lifting existing attic insulation and checking for dark patches of moisture or dust.
Still that doesn t mean we should ignore other common heat leaks.
Before insulating seal any air leaks and make roof and other necessary repairs.
Installing insulation willy nilly can create serious moisture problems leading to a bunch of problems like mold rot or other.
It doesn t matter the climate just start with the safest place that provides the biggest bang for your buck and that is always the attic.