Yes - 24/7 across all Port Jefferson ZIP codes, most calls within an hour.
Mini Split Ac Repair · Port Jefferson, NY
Get in touch — Port Jefferson, NY
Fully licensed and insured Mini Split AC Repair (a.k.a. Ductless AC Repair) across Suffolk County - same-day service, upfront pricing.
Request Port Jefferson, NY service
Talk to a real person.
Call now and a dispatcher will take your details by phone — the fastest way to get on the schedule.
Port Jefferson, NY service hubPort Jefferson, NY8334920770Open 24 hours · 7 days a week
Port Jefferson, NY FAQ
Port Jefferson Mini Split AC Repair FAQs
A real dispatcher is available if your question is not answered here.
Call 8334920770 →On average, repairs start at a flat rate, which is quoted in writing before work begins.
Yes, MJM HVAC is fully licensed and insured to work across NY, following all necessary codes.
We serve the entirety of Suffolk County, including Port Jefferson Station and surrounding areas.
We can often schedule same-day service, depending on availability.
Yes, we provide a written workmanship guarantee on every job we complete.
Unlicensed work can void insurance.
This ensures you know exactly what to expect in terms of cost.
Written guarantees provide peace of mind and assurance of quality.
Response time can be critical in emergency situations.