Compare the highest-rated insulation professionals in Washington Grove, Maryland. All contractors are licensed, insured, and verified through our rigorous screening process.
A full-service home performance and insulation contractor known for comprehensive energy audits and a wide array of insulation solutions. They are a Diamond Certified Contractor and often work with local utility rebate programs, making them a strong choice for homeowners focused on energy efficiency and holistic home sealing.
Specializes primarily in attic services but has expanded to offer comprehensive insulation solutions for the entire home. They are highly reviewed for their professionalism, cleanliness, and expertise in blown-in cellulose and fiberglass insulation. They also handle insulation removal and air sealing.
While known for roofing and siding, Rescom Exteriors has a dedicated insulation division that handles both new installations and upgrades. They are a well-established local company with strong credentials and offer services like basement, crawl space, and wall insulation, making them a good full-service exterior and insulation contractor.
The insulation market in and around Washington Grove, MD, is characterized by high-quality, professional services driven by the area's mix of historic homes and modern constructions. The competition is strong among established regional contractors, not local "handyman" services, due to the technical requirements and homeowner expectations for energy efficiency. **Average Quality:** The quality is generally high, with most leading contractors being licensed, insured, and holding certifications from manufacturers (like Owens Corning) or industry bodies (BPI). Expertise in air sealing is a standard and critical part of most service quotes. **Competition Level:** The market is moderately competitive. While there aren't dozens of providers, the existing ones are well-established and compete on service quality, certifications, and their ability to navigate local utility rebates (e.g., from PEPCO) and historic district guidelines, which can be a factor in Washington Grove. **Typical Pricing:** Pricing is at a premium reflective of the Washington D.C. metro area cost of living. As a rough guide: * **Blown-In Attic Insulation:** $1,500 - $4,500 * **Spray Foam Insulation (R-13 for a wall):** $1.50 - $3.00 per board foot * **Whole-House Energy Audit:** $300 - $600 * **Air Sealing:** $500 - $2,000+ (depending on scope) Most reputable companies provide free, detailed estimates, and the investment is often offset by significant energy savings and available rebates.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Washington Grove regulations and climate
Get answers to common questions about insulation services in Washington Grove, Maryland.
For Washington Grove's historic homes, air sealing and adding attic insulation are the most critical and cost-effective upgrades. Our humid summers and cold winters make moisture control and thermal performance equally important. We typically recommend air sealing gaps first, then adding blown-in cellulose or fiberglass to achieve an R-49 attic rating, which is the DOE-recommended level for our Zone 4 climate.
Costs vary based on home size, material, and scope, but a full attic insulation project for a typical Washington Grove home often ranges from $1,500 to $3,500. Maryland's higher labor costs and the need for careful work in historic structures can influence pricing. We always provide a free, detailed estimate that factors in your home's specific needs and potential rebates from local utilities like Pepco.
Yes, Washington Grove's status as a historic district means exterior modifications, including changes to siding or roofing that might be part of an exterior insulation project (like foam board), may require approval from the Town's Historic Preservation Commission. For standard interior attic or wall insulation, permits are generally not required, but a reputable local contractor will verify all requirements with Montgomery County and the Town before starting.
Insulation can be installed year-round, but the ideal times are late spring (April-May) and early fall (September-October). These periods offer mild temperatures, making it easier for crews to work effectively in your attic. Scheduling during these shoulder seasons also ensures your home is fully prepared for the peak heating and cooling demands of Maryland's summer and winter.
Look for a licensed, insured contractor with specific experience working in historic Maryland communities. Verify they perform a thorough energy audit or assessment first. Check for local references and reviews, and ensure they are familiar with Maryland's specific building codes and the potential for historic district guidelines. A trustworthy provider will also explain available rebates and offer strong warranties on both materials and labor.