Aug 2025
John the owner and all of his outstanding highly trained workers do a phenomenal job. Heating and AC specialists as well as plumbing and similar. Call them and see how great they are. Thanks John and Company.
About Ferrelli Mechanical llc
Ferrelli Mechanical LLC is highly praised for its exceptional HVAC and plumbing services. The owner, John, along with his skilled and courteous team, is recognized for their professionalism and expertise. Customers have consistently reported positive experiences, noting the promptness and thoroughness of the technicians. Many highlighted John’s honesty and transparency, appreciating that there were no hidden fees or unnecessary upselling during service calls.
Clients have had new heating and air conditioning systems installed, with one customer sharing how their old system was completely replaced with great care and detail. The team not only completed the job efficiently but also ensured that the work area was clean and tidy afterward. Follow-ups to check on system performance further demonstrate their commitment to customer care.
Overall, Ferrelli Mechanical LLC is recommended as a reliable and trustworthy choice for HVAC repairs and installations. Customers feel valued and respected, leading to a strong likelihood of recommendations to friends and family for any heating, air conditioning, or plumbing needs.
Reviews
Jun 2025
John (the owner) is very experienced and professional. We had a brand new heat pump and air handler installed last year and him and his crew did a fantastic job - it works beautifully. I recommend Ferrelli Mechanical to all of my friends when I hear they are having HVAC problems or need work done.
Dec 2024
I can’t say enough good things about Ferrelli Mechanical LLC! From start to finish, their team was professional, prompt, and highly knowledgeable. My HVAC system was on the fritz during a cold snap, and they came to the rescue.
The technician arrived right on time, quickly diagnosed the issue, and clearly explained the repair process. I was impressed by their honesty and transparency—no hidden fees or unnecessary upselling. They had the system up and running in no time, and the price was very reasonable for the level of service provided.
What stood out most was their attention to detail and customer care. They treated my home with respect, cleaned up after themselves,… read full review
Photos
Hours
Monday Open 24 hours
Tuesday Open 24 hours
Wednesday Open 24 hours
Thursday Open 24 hours
Friday Open 24 hours
Saturday Open 24 hours
Sunday Open 24 hours
Good to know
- accepts credit cards
Location
1600 North Ocean Avenue Unit 14, Holtsville, NY 11742
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