Our Services
JNJ Air, based in Farmingdale, NY, offers expert HVAC services with decades of experience, specializing in rooftop package units, ductless mini splits, and refrigeration systems. Their commitment to quality work and affordable rates makes them a top choice for homeowners and business owners across Long Island .
We Offer Both Air Conditioning & Heating Maintenance Packages
Frequently Asked Questions
What areas do you service?
We’re based on Long Island and service all of Nassau and Suffolk counties. If you’re nearby and not sure, give us a call and we’ll let you know if we can make it out to you.
Do you offer free estimates?
Yes, we offer free estimates for new installations and replacements. Just reach out and we’ll schedule a time that works for you.
What types of systems do you install?
We install central AC systems, ductless mini splits, heat pumps, furnaces, and commercial refrigeration units. We work with top brands and tailor each setup to your space and budget.
Do you offer emergency HVAC service?
Yes. We understand things break at the worst times — that’s why we offer emergency service to get you back up and running fast.
How long does a typical installation take?
Most residential installs take 1–2 days. Commercial projects vary, but we’ll always give you a clear timeline upfront.
What type of payment do you accept?
Cash, check, credit / debit and ACH
