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No matter what time of year it is, home insulation is important to keep your house as energy efficient as possible. On cold days, heat can leak out; when it’s hot, cooling can escape. With all the energy inside, proper insulation means you’ll have a more affordable energy bill—but so many homes aren’t properly insulated. Not only will our home energy audit increase your comfort, but it'll also decrease your spending. And most importantly, proper insulation helps reduce greenhouse gases. According to the Harvard School of Public Health, if all homes were properly insulated, there would be a CO2 reduction of over 293.5 billion pounds. So why not take the step in the right direction with NEEECO?
How Insulation Works
Insulation slows down heat moving from a warm place to a cold place. That could mean stopping heat from escaping your warmed home when it’s cold outside, or stopping heat from penetrating your cooled home when it’s hot outside. In either case, heat transfer always occurs in one of the following methods:
Conduction transfers heat via molecular collision, which is the flow from something hot to cold. Conduction happens between objects by direct contact, so properly insulating walls will stop heat from escaping through them.
Convection is heat transfer when energy transition happens within the fluid or heat moving in air. Because of this, ceilings need proper insulation, so heat can’t leak out through them.
Radiation takes place when heat is transmitted through empty space without any physical contact. This can happen very quickly, such as when air ducts carry warm air and radiate heat. Thus, it’s important to have proper insulation for ductwork, or to use a ductless system to minimize heat loss.
Cellulose does offer some advantages over fiberglass and can address other shortcomings, making it the primary insulation product at Neeeco. Blown-in cellulose offers better insulation against heat transfer, is nonintrusive when installed on existing homes, and is a natural air sealer when densely packed in walls.
Spray Foam Insulation
Polyurethane spray foam is a commonly accepted application that insulates different areas, such as fridges or crawlspaces. Easy to apply and resistant to wear and tear from the environment, spray foam is a great form of insulation that works well in hard-to-reach spots. Closed-cell spray foam is denser and more commonly used. It is resistant to excessive moisture buildup, which means the chance of mold or bacterial growth forming is highly unlikely. Open-cell spray foam is less common, but expands when applied, meaning it’s great to use in nooks or crannies you can’t easily access. While not as dense as closed-cell foam, it is the cheaper of the two, providing good insulation yet no water resistance.
Blankets of Fiberglass
Fiberglass blanket insulation is essentially flexible, white blankets of glass fibers that are bonded with a thermoset resin. They have great tensile strength and are noncorrosive, and can often be found in the framing between walls and ceilings. Fiberglass blankets are cost effective and can insulate large areas, meaning they’re a good choice for new constructions. With a thermal conductivity that's 800 times less than aluminum, they’re the optimal material for super-insulating your windows. They can also maintain your window’s structural integrity and are resistant to environmental damage. However, they’re not natural air sealers, so drafts can leak air through if there’s no proper seal.