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Green Apple Spray Foam is an insulation company whose website lists a service area that includes Branford, Guilford, Madison, Milford, New Haven and Old Saybrook. The company says it has been in business 20 years, and its Better Business Bureau page shows an A+ grade. A 2025 Google customer said they were referred to Green Apple by their HVAC company and called the company professional and reliable. In a 2023 Google review, a customer said Nicholas and his team removed the insulation in their basement and were thorough and quick. A 2022 Google customer said the company did an attic insulation project for them at a fair price. A 2022 Angi customer described the job as on time and on budget. A 2022 Angi customer wrote of a knowledgeable principal, a courteous crew and a professional installation.
Was referred to Green Apple by my HVAC company; it was the best referral I have ever received. Quality of work was superb, they were professional and reliable at all times. I recommend without reservation.
Nicholas and his team did a tremendous job removing the insulation in my basement! They were incredibly thorough and quick doing the job. I would definitely go back to them again when I have other insulation projects that need to be done!
They did an attic insulation project for us. Excellent service. Fair price and very professional. I’d use them again for other projects.
Very professional, on time,on budget and great guys to deal with.
Knowledgeable principal, courteous crew, and professional installation.
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1 change recorded — last scanned Oct 14, 2026.
Termite fixes in place by Saturday afternoon3.8
Customers reported smaller energy bills afterward4.2
14 years in business3.0
