Cobwebs in your home? DON'T 00 EEK SEAL THAT AIR LEAK! Cobwebs are more than just festive décor this time IOWA CITY CLIMATE ACTION MATTERS City of Iowa City initiative of year. Spiders are nature's air sealing inspectors! They build these webs to catch their next meal in places where air flows between the outside and inside of a house, often through cracks that are difficult for people to perceive. Cobwebs are a sure sign that your home needs air sealing and more insulation. If you see cobwebs in your home, call a contractor who can help you determine how much insulation and air sealing you need. Current building practices recommend a higher level of insulation than was used in homes built under older codes. Insulation can also degrade over time, increasing what you pay to heat and cool your home. Pairing air sealing with attic insulation can be a powerful duo in lowering your energy bills and keeping those critters outside! It also helps fight climate change, since energy use in buildings is the largest source of emissions in Iowa City. The City of Iowa City has grants available to cover the cost of increasing attic insulation for income-qualified homes. IOWA CITY A UNESCO CITY OF LITERATURE LEARN MORE: icgov.org/insulate Cobwebs in your home ? DON'T 00 EEK SEAL THAT AIR LEAK ! Cobwebs are more than just festive décor this time IOWA CITY CLIMATE ACTION MATTERS City of Iowa City initiative of year . Spiders are nature's air sealing inspectors ! They build these webs to catch their next meal in places where air flows between the outside and inside of a house , often through cracks that are difficult for people to perceive . Cobwebs are a sure sign that your home needs air sealing and more insulation . If you see cobwebs in your home , call a contractor who can help you determine how much insulation and air sealing you need . Current building practices recommend a higher level of insulation than was used in homes built under older codes . Insulation can also degrade over time , increasing what you pay to heat and cool your home . Pairing air sealing with attic insulation can be a powerful duo in lowering your energy bills and keeping those critters outside ! It also helps fight climate change , since energy use in buildings is the largest source of emissions in Iowa City . The City of Iowa City has grants available to cover the cost of increasing attic insulation for income - qualified homes . IOWA CITY A UNESCO CITY OF LITERATURE LEARN MORE : icgov.org/insulate