Central Pennsylvania Spray Foam, Attic Blown-In, Fiberglass Batt, Air Sealing and Blower Door Testing .



If your home in Central Pennsylvania feels drafty, unevenly heated, or expensive to keep comfortable, your attic insulation may be the problem. Draft Stoppers provides professional blown-in attic insulation services in Central PA, helping homeowners improve comfort, reduce heat loss, and lower energy costs year-round.
We specialize in residential attic insulation upgrades, energy-efficient insulation solutions, and home weatherization services for properties across the region.We proudly serve homeowners in Harrisburg, Mechanicsburg, Camp Hill, Carlisle, Duncannon, Newport, New Bloomfield, State College, Boalsburg, Selinsgrove, Mifflintown, Lewistown, Port Royal, Thompsontown, Huntingdon, Centre Hall, Mount Union, McVeytown, and surrounding communities.
Homes in Central Pennsylvania experience cold winters, hot summers, and wide temperature swings. Without proper attic insulation, heated and cooled air escapes through the attic, forcing your HVAC system to work harder.
Blown-in attic insulation is designed to fill gaps, cover irregular framing, and seal hard-to-reach areas, making it one of the most effective solutions for homes in older neighborhoods and rural areas throughout Central PA.
Benefits include:
Improved indoor comfort throughout the home
Fewer drafts and temperature swings
Reduced heating and cooling costs
Fast, minimally invasive installation
Even coverage over attic floors and tight spaces
Better HVAC efficiency
Blown-in insulation is ideal for older Central PA homes, farmhouses, capes, colonials, ranches, and homes with limited attic access.
Draft Stoppers follows a proven insulation and air-sealing process to ensure long-lasting results. Every attic insulation project starts with a professional evaluation of your home’s current insulation, air leaks, and ventilation.
Our process includes:
By combining attic air sealing and blown-in insulation, we help Central PA homeowners maximize energy savings and comfort.
Many homes across Central Pennsylvania lose a significant amount of energy through the attic. You may need new or upgraded insulation if you notice:
If you’re experiencing any of these issues, a blown-in attic insulation upgrade can make a noticeable difference.
Draft Stoppers proudly provides blown-in attic insulation in Central Pennsylvania,including:
We work with homeowners in cities, small towns, and rural communities, offering honest recommendations and high-quality workmanship.



Blown-in cellulose insulation has several advantages:
High R-Value: Cellulose insulation has a higher R-value per inch than fiberglass, which means it provides better thermal resistance and energy efficiency.
Sound Insulation: Cellulose insulation can also provide excellent sound insulation, making it a good choice for homeowners who want to reduce noise transmission between rooms or from the outside.
Environmentally Friendly: Cellulose insulation is made from recycled materials, which makes it an environmentally friendly choice. It is also treated with borates to make it resistant to fire, insects, and rodents.
Easy Installation: Blown-in cellulose insulation can be installed quickly and easily with a blowing machine, which means that it can be a cost-effective option for homeowners.
Better Air Sealing: Cellulose insulation can also help to reduce air infiltration, which means that it can improve indoor air quality and reduce energy bills.
Mold and Moisture Resistant: Cellulose insulation is also resistant to mold and moisture, which can help to prevent damage to the home and protect the health of its occupants.
Overall, blown-in cellulose insulation is a cost-effective, environmentally friendly, and efficient insulation option that provides several benefits for homeowners.
Blown-in fiberglass insulation has several advantages over other types of insulation, including:
Overall, blown in fiberglass is a great option for attic insulation even though it is a little more expensive and doesn't have the R-value per inch as cellulose.
Blown-in rockwool insulation, also known as loose-fill rockwool insulation, has several advantages over other types of insulation:
Easy installation: Blown-in rockwool insulation is easy to install, with the material being blown into place using a special machine. This makes it ideal for retrofitting existing buildings or insulating hard-to-reach areas.

At Draft Stoppers Insulation our goal is to make sure every customer gets a top quality attic blown in insulation install that makes the most economic sense for them. That's why we prefer to assess every situation before recommending which solution would be best. The majority of the time cellulose is the attic blown in product that Draft Stoppers recommends because of the effectiveness and economical returns.