The Home Performance with ENERGY STAR Contractor of the Year is awarded to the Home Performance with ENERGY STAR participating contractor who exhibits outstanding professionalism, builds strong customer relationships and applies building science solutions to improve homes. Anne Idsal, EPA Principal Deputy Assistant Administrator for Air and Radiation called Green Team LI, “A leader who is demonstrating how energy efficiency drives economic competitiveness in tandem with environmental protection.” As a company dedicated to saving energy and making Brooklyn healthier one home at a time, we welcome the opportunity to show you the benefits and savings you can experience. 


Green Team specializes in making homes and small businesses more comfortable, more energy-efficient and healthier while saving our customers money.  With decades of staff experience,Green Team is one of New York’s largest providers of Cold Weather Heat Pumps, Insulation Services, and Residential Solar. We work within the New York State Energy Research and Development Authority (NYSERDA) and local utility programs.  By combining very generous incentives with subsidized low-interest financing, many New Yorkers have been able to upgrade their homes and small businesses with Zero out-of-pocket and in many cases, positive cash flow day one. 


Primary Contacts: Jay Best, [email protected]
Phone: 631-676-4717.
Address: 332 B Dante Ct. , Holbrook, New York 11741


  • Energy audits,
  • Air source heat pump installations,
  • Weatherization and insulation services,
  • Hot water systems,
  • Residential solar

Areas of Specialization: Energy audits, Air source heat pump installations, insulation services, residential solar
Preferred building types: Residential and multifamily
Memberships and Affiliations: Building Performance Institute Gold Star Contractor, A+ rated member of the Better Business Bureau, Member of the Pearl Advantage Network
Awards: Department of Energy’s Home Performance with Energy Star 2020, Contractor of the Year Award
Industry Certifications: BPI Building Analyst, OSHA 10, BA Environmental Sustainability, BPI Envelope and Heating, Chemical Engineering, MA, Infrared Thermography
Language Capabilities: English
For Low and Moderate Income clients: NYSERDA HPwES
Financing Offered: NYSERDA GJGNY loans and Greensky Financing