In addition, hot air in your attic could increase moisture levels, which could result in wood rot and mold growth. If hot air is allowed to sit in your attic, it could overheat the shingles on your roof and cause damage. Having a properly vented attic is the best way to keep attic cool because it allows the hot air to escape during the summer. You may also need to check state laws, as some places have specific requirements for what type and the R-Value your insulation should be. Knowing which material is the best option for your attic will depend on your budget and where you live. Some of the different materials you might choose for your attic insulation include the following: The recommended level for most attics is to insulate to R38 or about 10 to 14 inches depending on the insulation type, according to Energy Star.
How and where the insulation is installed.The R-Value is determined by the following factors: This number shows the insulation’s ability to resist the transfer of heat. When it comes to finding the right insulation for your attic, you want to look at the R-Value. You want high-quality insulation in your attic, as it will ensure that the cool air from your air conditioner can’t escape your home.ĭuring the winter, insulation also keeps the hot air trapped inside your home to keep you warm. Having insulation in your attic can help you save up to 20% in heating and cooling costs.Īnd, having insulation in your attic keeps the area at a consistent temperature. If you’ve ever wondered why your attic has insulation, it’s because it acts as a barrier against temperature extremes. This plugs the hole more efficiently to ensure that your attic isn’t leaking air from the inside of your home or letting in air from the outside. If you have a chimney and notice issues around this structure, make sure to use a heat-resistant caulk to seal these holes.įor holes that are larger than one-quarter of an inch, you’ll want to use an expandable foam spray. If the holes, cracks, or gaps in your attic are less than one-quarter of an inch, you can use a weatherproof caulk to seal them. In addition, allowing cracks, gaps, and holes to remain open throughout the space increases the chances of water getting into your attic-and this can cause water damage and rot.
When it comes to the best way to cool attic with or without an air conditioner, you need to ensure that any cracks, gaps, or holes are taken care of.Īs you can imagine, leaving any open areas will allow warm air to seep into your attic during the summer. See all of Amazon's Best Selling Ductless AC Systems 2.
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You can view our best stand up air conditioner list to compare the top models available as well as our best budget portable air conditioner page to find a model that’s leas expensive.Īlso, check out our portable air conditioner venting options to get some more ideas on the setup. A good place is down through a soffit since this won’t allow rain to get in. If that’s the case, then you’ll need to cut a hole somewhere that leads to the outside for proper ventilation. However, you may not have a window in your attic. Most come with a window kit for this purpose that attaches to a hose on the back of the unit. Portable air conditioners do need to be vented to pump the hot air outside. It’s a standalone unit that’s about two feet tall and 18 inches wide and has wheels for mobility. If you’re using your attic as a functional space, like a bedroom or workroom, then you’ll want to consider adding an indoor air conditioning unit.Īn AC unit will keep the temperature much more pleasant and comfortable for you to be in your attic for long periods of time.Īs for attic air conditioners, you have two best options without a window:Ī portable air conditioner is the easiest solution for cooling your attic.
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Install an Air Conditioning UnitĪll of the other tips listed below are good for cooling down an attic so that the rest of your house doesn’t get too hot. If you’re serious about finding the best way to keep an attic cool, this guide has the answers you need. We’ll start with the easiest methods that most homeowners can do and work our way up to the more time-consuming DIY projects. Or how about making better use of that space in your home?īelow, you’ll find the top 7 best ways to cool your attic down. By Katherine Dyson Posted in Home MaintenanceĪre you looking for the best way to cool an attic so it’s more energy efficient?
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