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Amazing Customer Service

“I have my heating contract with Master and I must tell you of the absolutely wonderful customer service that my wife and I have received. We had our old thermostat replaced and were shown how to program it. I changed the program incorrectly and a technician came back not once, but twice to assist me with reprogramming it (no charge for his time). Everyone at Master is always so helpful, from the technicians to the office staff. We couldn't be happier!”

James Screeney

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  • The crew was awesome - very friendly and professional.

    “I am very satisfied with the job, the installation crew was great, A+++. The crew was awesome - very friendly and professional. I heard about your through the NYSERDA site.”

    Briana T.

  • They are incredibly professional, honest and trustworthy, fair price and work delivered as promised.

    “They are incredibly professional, honest and trustworthy, fair price and work delivered as promised. The quality of work compared to other people we used is of much higher quality.”

    Denise K.

  • I am very satisfied with the job and the installation crew was excellent.

    “The expert from Green Homes Long Island did a great job of coaching me through the process. I was very happy with the end result, the house is a lot warmer! I am very satisfied with the job and the installation crew was excellent.”

    Bob S.

  • Thank you all for insulating my home and moving dryer vents, etc.

    “Words cannot accurately express my gratitude to the wonderful team at Green Homes Long Island. Thank you all for insulating my home and moving dryer vents, etc. I am very grateful to all involved for all of their hard work, and making my home a warmer & happier place!!”

  • I will definitely use Green Homes Long Island for future projects.

    “I am very satisfied with the insulation work done. The installation crew was great - professional & clean. The office staff was friendly and efficient. I will definitely use Green Homes Long Island for future projects.”

    Joseph F.

  • The office staff, especially they were outstanding and very helpful.

    “I am completely satisfied with the excellent job Green Homes Long Island did. The office staff, especially they were outstanding and very helpful. Our energy specialist was great as well and help us come up with the right solutions in making our home more energy efficient. ”

    Edward M.

  • Prompt and professional!

    “Thank you for taking care of my project promptly and professionally!”

  • I was very satisfied with the job your team did when replacing the heater

    “I was very satisfied with the job your team did when replacing the heater. I chose your company because of your professionalism and responsiveness!”

  • Everyone, from the office staff, to energy consultant to installation crew - were all very professional and did a great job!! Definitely a 10!!

    “I am very satisfied with the insulation project Green Homes Long Island did for me. Everyone, from the office staff, to energy consultant to installation crew - were all very professional and did a great job!! Definitely a 10!! I will recommend them to friends and family!”

    Lorenzo A.

  • Very CLEAN!

    “Service man was VERY polite & knowledgeable. Very CLEAN! ”

    Terence M.

  • The installation crew was great as was the office staff.

    “I am very satisfied with the work completed by Green Homes Long Island. The installation crew was great as was the office staff. The Energy Specialist was great and very informative and professional.”

    Kevin H.

  • Our energy specialist was very knowledgeable and the office / scheduling department were extremely accommodating!

    “I am very satisfied with the work Green Homes Long Island did for me. Our energy specialist was very knowledgeable and the office / scheduling department were extremely accommodating! The installation crew was professional, hardworking and very clean.”

    Ed C.

  • The installation crew was helpful and efficient.

    “The installation crew was helpful and efficient. The energy specialist did a good job educating me on the insulation. My house is quiet and no drafts! My electric and gas bills are smaller.”

    B. G.

  • The installation crew was great and cleaned up.

    “I found Green Homes Long Island on google and contacted them. The office staff was wonderful and the Energy Specialist was great. I hired this company because of the price and professionalism. The installation crew was great and cleaned up.”

    Leslie G.

  • The installation crew was professional and clean up was immaculate.

    “This company is very professional, the office staff was great in making a timely appointment for an energy special to meet with me. My specialist was extremely knowledgeable. The installation crew was professional and clean up was immaculate.”

    Paul B.

  • The work performed for me was good.

    “The work performed for me was good. The installation crew was great and clean.”

    Tom W.

  • I will definitely be using Master again and highly recommend this company to anyone needing an HVAC company they can trust.

    “Master Mechanical was a pleasure to work with. From day one from the estimate and proposal phase to the install and inspection. They are professional and care about what they are doing. They communicated everything along every step of the way and made sure we understood what was what during our oil to gas conversion. I will definitely be using Master again and highly recommend this company to anyone needing an HVAC company they can trust. I guess that's how you stay in business for over 20 years.”

    Erik B.

  • The insulation crew was top notch and did a fantastic job.

    “I am very satisfied with Green Homes Long Island. The Energy Specialist was excellent, the office staff was very professional. The insulation crew was top notch and did a fantastic job. I would recommend Green Homes Long Island to all my friends!!”

    Larry M.

  • The salesman was very informative and professional.

    “Green Homes Long Island is a professional insulation company which I highly recommend. The installation crew did a great clean job. The salesman was very informative and professional.”

    Noel I.

  • Hard Working

    “Peter was very informative and a gentleman. The two installers were hard working and never took a break”

    Eileen M.

  • The installation crew was professional and clean.

    “I was completely satisfied with the job you did. The installation crew was professional and clean. Joe Maehr was the most knowledgeable person that I spoke to after calling 3-4 different companies to research spray foam insulation installation in my home.”

    Ryan L.

  • The crew at Green Homes Long Island was on time, polite and clean.

    “The crew at Green Homes Long Island was on time, polite and clean. I chose your company because you're listed on LIPA and the National Grid Website. My house is much cooler this summer and looking forward to warmer home in the winter.”

    Karen F.

  • Our energy specialist was very knowledgeable and personable.

    “I am extremely satisfied with the work completed. The installation crew was very professional and clean workers. Our energy specialist was very knowledgeable and personable. We will be using Green Homes Long Island again when we insulate our attic.”

    Stephen C.

  • This was definitely an A+ Job!

    “This was definitely an A+ Job! The Energy Specialist from Green Homes Long Island was extremely knowledgeable and outstanding - the reason for my return business!”

  • The expert from Green Homes Long Island did a great job of coaching me through the process.

    “The expert from Green Homes Long Island did a great job of coaching me through the process. I was very happy with the end result, the house is a lot warmer! I am very satisfied with the job and the installation crew was excellent.”

    Bob S.

  • The installation crew was professional, clean, fast & very courteous! Great job!

    “I am very satisfied with the work done in my home. The energy specialist was clear & concise with what was needed to improve my home's energy efficiency. The installation crew was professional, clean, fast & very courteous! Great job!”

    Ruth H.

  • From start to finish it was a pleasure working with this very professional company. I highly recommend them.

    “Recently converted my heating system from oil to gas. Nothing is ever easy with my old home that was built on a slab. Master Mechanical put my mind at ease and did the job beautifully. From start to finish it was a pleasure working with this very professional company. I highly recommend them.”

    Susan L.

  • Great job and I will be using Green Homes Long Island for additional work.

    “Green Homes Long Island was the only company to call me back. The energy specialist was very professional and knowledgeable. Great job and I will be using Green Homes Long Island for additional work.”

    Brett G.

  • Very knowledgeable and informative.

    “I am very satisfied with the work completed by Green Homes Long Island. The installation crew was very professional, the office staff was great and our specialist was very knowledgeable and informative. I had seen your trucks in the neighborhood and called. ”

  • I am very satisfied with the work done by Green Homes Long Island.

    “I am very satisfied with the work done by Green Homes Long Island. The installation crew was very courteous, the office staff was excellent and our Energy Specialist was very professional and knowledgeable.”

    Muriel R.

  • Your installation crew was very polite and neat!

    “I am very satisfied! Your installation crew was very polite and neat! The office staff was very courteous, pleasant, and helpful. I believe my friends have already contacted you.”

    Joe B.

  • The office staff was very courteous, pleasant, and helpful.

    “I am very satisfied! Your installation crew was very polite and neat! The office staff was very courteous, pleasant, and helpful. I believe my friends have already contacted you.”

    Vera M.

  • I am very satisfied with the job and I thought the energy specialist's presentation was enlightening- I'm spreading the word!

    “I am very satisfied with the job and I thought the energy specialist's presentation was enlightening- I'm spreading the word! I chose your company instead of another company because you are professional and knowledgeable. Overall, great job. I can feel the difference.”

    Chris W.

  • Amazing Customer Service

    “I have my heating contract with Master and I must tell you of the absolutely wonderful customer service that my wife and I have received. We had our old thermostat replaced and were shown how to program it. I changed the program incorrectly and a technician came back not once, but twice to assist me with reprogramming it (no charge for his time). Everyone at Master is always so helpful, from the technicians to the office staff. We couldn't be happier!”

    James Screeney

  • I would recommend it to anyone.

    “Your in-home energy specialist's presentation was great! I would recommend it to anyone. I chose to hire you guys because the Long Island Green Homes coordinator recommended you and had nothing but good things to say!”

  • The sales staff and installation crew at Green Homes Long Island were wonderful.

    “The sales staff and installation crew at Green Homes Long Island were wonderful. Overall work and professionalism were greatly appreciated.”

    Will M.

  • All of their staff were great!! Clean up excellent!!

    “I am 100% Satisfied with the insulation work completed. Green Homes Long Island got here right away and got the work done quickly and efficiently. All of their staff were great!! Clean up excellent!!”

    Scott P.