Alligood Energy
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About Alligood Energy
Alligood Energy delivers specialized insulation services throughout Philadelphia and surrounding Pennsylvania communities. The contractor maintains a 4.9-star average across 48 client reviews, reflecting consistent delivery of measurable home efficiency upgrades. Their operational model centers on comprehensive energy audits that employ negative pressure testing and infrared camera technology to identify thermal weakness throughout entire residences. This diagnostic-first approach enables the team to propose itemized solutions rather than generic recommendations, giving homeowners clear visibility into which improvements will generate tangible returns on their investment.
What distinguishes this contractor is their commitment to post-installation verification. After completing proposed efficiency work, they conduct follow-up testing to confirm actual performance gains, a practice that converts subjective improvement claims into documented results. The website emphasizes targeting the highest-impact modifications first, advising clients on cost-effective sequences when budget constraints require phased implementation. Their service portfolio covers spray foam and injection foam applications for walls, dense-pack fiberglass for wall cavities, and additional attic insulation. For older Philadelphia residences featuring uninsulated basements or outdated thermal envelopes, the team addresses electrical preparation considerations before installing insulation, demonstrating code-aware planning.
Client feedback consistently highlights the team's communication practices and worksite etiquette. Reviewers describe Andrew as responsive to questions and punctual during estimation visits, noting his ability to explain technical processes without excessive jargon. Installers Paul, Zach, Keith, and Carlos received recognition for arriving on schedule, explaining materials and techniques used, and performing thorough cleanup after work concluded. One reviewer noted they addressed frozen powder room walls in a 1930s residence using dense-packed fiberglass, transforming an unbearable winter space into a functional bathroom within the project scope.
What Customers Say
Forty-six of 48 reviewers awarded five stars, with customers frequently citing honest assessments and no unnecessary upselling. Multiple reviewers specifically praised Andrew for sending proposals quickly and checking in after project completion. Installers Keith, Carlos, Paul, and Zach received named recognition for professionalism and cleanup standards.
Working Hours
| SundayToday | Closed |
| Monday | 9 AM–6 PM |
| Tuesday | 9 AM–6 PM |
| Wednesday | 9 AM–6 PM |
| Thursday | 9 AM–6 PM |
| Friday | 9 AM–6 PM |
| Saturday | 10 AM–7 PM |
Services
Home Energy Audits
Comprehensive evaluation using negative pressure testing and infrared cameras to map thermal weaknesses throughout entire homes.
Air Sealing and Insulation
Identify and seal air leakage pathways contributing to energy loss before recommending insulation upgrades.
Spray Foam Insulation
Apply spray foam to wall cavities and hard-to-reach areas requiring high R-value thermal barriers.
Injection Foam Insulation
Inject foam insulation into existing wall cavities without removing exterior cladding.
Dense-Pack Fiberglass Insulation
Pack fiberglass insulation to recommended density levels for optimal thermal performance in wall cavities.
Attic Insulation Upgrades
Add or replace blown-in insulation to achieve proper attic thermal ratings.
Basement and Foundation Insulation
Insulate unfinished basement ceilings to prevent heat loss through concrete floors.