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Z-PAC Attic Insulation & Roofing Services is a Hudson, New Hampshire company that handles attic insulation, roofing and related jobs like dryer vent, duct and chimney work. Reviews describe a rotating cast of technicians — Paul, Gilbert, Robert, Alan, Peter, Jack — each credited with the same core traits: showing up on time, explaining the work clearly, and leaving the area clean. Recent reviews from May through August 2026 describe punctual, professional visits that finished attic insulation and cleaning jobs as promised, and a July 2026 review said a roof cleaning removed moss and dark staining and exceeded expectations. Earlier reviews, from January 2026 back through 2024, describe thorough attic inspections that turned up hidden issues like moisture and mold risk, along with dryer vent and air duct work that resolved specific problems like energy loss and blockages — customers consistently describe technicians who explain their findings rather than just doing the work quietly. One thing worth flagging: an August 2026 review describing chimney inspection work at a home in Issaquah, Washington — a market nowhere near this company's New Hampshire base. It may well describe a different, similarly named business rather than this one, so it isn't treated here as this company's own track record. Google currently shows 4.8 stars from 11 ratings. Given the range of work this company takes on — insulation, roofing, ducts, chimneys — it's worth confirming which specific services a given technician is licensed and equipped to handle before booking anything beyond attic and roof work.
I contacted Z-PAC Chimney Inspection to examine and clean our Issaquah home's two chimneys (fireplaces on each level). The technician performed expert job under less than ideal circumstances and provided me with reliable information, which I independently investigated. I'm telling my church friends about them. I'm grateful to Z-PAC services for their excellent work.
I honestly couldn’t be happier with the attic work that was done on my rental property. The whole process was smooth. They even showed up on time that's what I really appreciate since for me time is really gold, he explained everything clearly, kept the area clean, and finished faster than I expected.
I booked a roof cleaning appointment in this company on for July 17, 2026, and the job was completed on July 23, 2026. I wasn't sure how much of a difference a professional roof cleaning would make, but the results exceeded my expectations. My roof had patches of moss, dark stains, and a lot of debris trapped in several areas. Greg took time to inspect everything before starting and explained what could be safely removed without damaging the shingles. They worked efficiently and paid attention to details that I would have overlooked. After the cleaning, the roof looked noticeably cleaner and more uniform in color. He also cleaned up thoroughly around the property and left no mess behind. Greg were respectful, honest about the condition of the roof, and never tried to upsell unnecessary services. Overall, I highly recommended!
Shout out to Paul from Z - PAC Attic Insulation for taking care of our property this week. He started with a comprehensive attic inspection and handled some overdue attic maintenance to improve energy efficiency. After that, he tackled a messy attic cleaning to clear out old debris. Outside, he handled our routine roofing cleaning and fixed a minor issue with a quick roofing repair and a seamless leak in roof repair.
I am extremely satisfied with this attic insulation service. They installed reflective insulation that improved temperature control in my home. The spray foam insulation was applied carefully and professionally. Their attic cleaning service was thorough and removed all unwanted debris. The maintenance and inspection gave me peace of mind about my attic's condition. The attic cleaning cost was very reasonable. Overall, the service was excellent and worth every dollar.
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