Water Heater Installation Services in Islip, NY

"Very nice , clean work. On time and very professional. Happy with job ."

"The technicians replaced my roll out switch on my furnace. It works great now."

"Anthony is very knowledgeable and answers all your questions."

"This company is hands down the best. They showed up on time, very friendly, they cleaned up everything and we had a beautiful pool. Kyle has also opened and closed my pool for 3yrs now and comes every other week and cleans the pool for me and its always crystal clear the whole summer."

"Advantage LI were professional and helpful when deciding on options presented. Clinton was honest and I high recommend them."

"Oscar and his employees are professional, on time, respectful and knowldgeable. I recommended him to family, friends and neighbors. He has enabled me to enjoy my pool worry free not having to add this and not that. He has my trust. He has convinced me & my wife, who by the way is a very hard sell ! Oscar, great guy great work !"

"Friendly and great working knowledge"

"The entire team was great! They arrived quick, looked at the damage and gave an estimate. Got the job done QUICK! Highly recommended! I’ll definitely book again if I have any plumbing issue."

"Roberto and his team did an outstanding job today at my mother's home; from his initial reply throughout the entire process he was awesome. They removed her old boiler and replaced it with a new one; he even cleaned the entire surrounding area that had suffered from previous attempts to soak up the oil and/or water leakage. They ensured everything was working well. Mom has heat and hot water again and is very, very happy! Roberto even fixed the door leading from the garage into her home- WOW! Mom and I wanted to cry because of his generosity and kindness. Roberto totally went above and beyond and provided us with an overall exceptional customer service experience. We are extremely satisfied, and I highly recommend Roberto and will definitely use his services again in the future; the timeliness, value and quality of work, cleanliness and professionalism are all outstanding. He showed up on time and even finished a little earlier than promised which was very nice because it was cold in the home. Thank you, again, Roberto!"