Compare the highest-rated insulation professionals in Nazareth, Pennsylvania. All contractors are licensed, insured, and verified through our rigorous screening process.
A+ Insulation is a leading Lehigh Valley contractor specializing in comprehensive home performance and insulation solutions. They are well-regarded for their expertise in spray foam and cellulose insulation, and they strongly emphasize air sealing and energy audits to maximize efficiency. Their approach is holistic, ensuring insulation work is part of a broader system for home comfort.
This provider has built a strong reputation on reliability and quality workmanship in attic and wall insulation projects. They are known for their detailed insulation removal and replacement services, often dealing with older homes in the region. They are a go-to for blown-in fiberglass and attic upgrades.
While serving a broader tri-state area, this company has a significant presence in the Lehigh Valley and is particularly skilled in basement, crawl space, and spray foam applications. They are certified by leading manufacturers and focus on creating conditioned spaces that improve overall home health and energy consumption.
** The insulation market in Nazareth and the greater Lehigh Valley is competitive and of generally high quality, driven by a mix of historic housing stock and new construction. Homeowners are increasingly aware of energy efficiency, leading to strong demand for upgrades beyond basic batting, particularly spray foam and dense-pack cellulose. The average competition level is moderate, with a handful of established regional players dominating the premium service segment. Typical pricing is in line with national averages but can be influenced by the age of homes in the area. For a standard attic blown-in insulation job (fiberglass or cellulose), homeowners can expect a range of **$1,500 - $3,500**. Spray foam insulation is a premium service, with open-cell foam averaging **$1.00 - $1.50 per board foot** and closed-cell foam averaging **$1.50 - $3.00 per board foot**. Most reputable contractors are familiar with Pennsylvania's building codes and available rebate programs, such as those from PPL or UGI, and many are certified by organizations like BPI (Building Performance Institute) to perform the required audits. It is always recommended for homeowners to obtain 2-3 quotes for any significant insulation project.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Nazareth regulations and climate
Get answers to common questions about insulation services in Nazareth, Pennsylvania.
For Nazareth's climate (Zone 5), blown-in cellulose or fiberglass in attics and walls is often the best value. It effectively fills the irregular cavities common in older Lehigh Valley homes, providing strong resistance to both winter heat loss and summer heat gain. While spray foam offers superior air sealing, its higher upfront cost means the payback period is longer, making blown-in insulation a practical first choice for many local homeowners.
Early fall is ideal, as it allows you to prepare your home for winter heating season while contractors have more availability before their peak demand. Summers can be booked for attic work, but spring can be problematic due to frequent rain in the Lehigh Valley, which can delay exterior projects like basement rim joist insulation. Scheduling outside of deep winter also avoids potential issues with installing materials in freezing temperatures.
Yes, Pennsylvania offers several programs. The most accessible is the Keystone HELP Energy Efficiency Loan Program, which provides low-interest financing. Additionally, through your Nazareth-area utility provider (like PPL or UGI), you may qualify for direct rebates for adding insulation to meet specific R-value targets. It's crucial to use a BPI-certified contractor to ensure the work qualifies for these incentives, and they can help you navigate the application process.
Look for a licensed, insured contractor with specific experience in the Lehigh Valley's housing stock. They should perform a thorough energy audit or assessment before quoting. Check for membership in local associations like the Greater Lehigh Valley Realtors® or positive reviews on local community pages. Always verify they understand and comply with Pennsylvania's building codes, especially for vapor barriers, which are critical in our mixed-humid climate to prevent moisture issues.
In Nazareth, air sealing is almost always the critical first step, especially in homes built before modern energy codes. Sealing leaks around windows, doors, attic penetrations, and rim joists stops the conditioned air from escaping, which insulation alone cannot do. This is a key principle of the "building envelope" approach. After major air leaks are sealed, adding insulation becomes dramatically more effective at maintaining comfortable temperatures year-round and reducing your energy bills.