4.9 ★ | 1,900+ Google reviews | 25,000 customers | Since 1934
Count on the experts at T.F. O'Brien to help with ductless repairs and maintenance
Do you need repair or maintenance for your mini-split heating and cooling system? Then count on the experts at T.F. O'Brien to help. For more than 85 years, T.F. O'Brien has been providing expert repair and maintenance on Long Island. By choosing our team of local mini-split technicians to perform repairs or maintenance on your mini-split system, you’ve selected a team of professionals who are dedicated to your home comfort. Our team is made up of qualified HVAC techs who will inspect, maintain and repair your mini-split system, regardless of the make or model.
Why Have Your Ductless System Maintained and Repaired?
Improved Air Quality
From Cleaning Dirt and Debris
Save Money
With Lower Energy Bills
Extended Lifespan
From Timely Repairs
T.F. O’Brien Professionals Quickly Diagnosis Your Mini-Split AC Issues
The pros at T.F. O’Brien begin diagnosing potential issues with your mini split ac system by first performing a thorough visual inspection of the indoor and outdoor units. They check for obvious signs of damage, wear, or leaks. Next, we use specialized tools such as a multimeter to test electrical connections and components. Your mini-split repair tech will also measure refrigerant levels to ensure they are within the proper range. To finish up our inspection we evaluate the system’s performance by monitoring temperature output and airflow, identifying any irregularities that might indicate underlying problems.
Mini-Split AC Repair Service on Long Island
Once our mini-split heating and cooling expert determines the problem with your system, they will get started on making the necessary repairs. If the problem is related to refrigerant levels, your technician will check for leaks and repair any damaged lines before recharging the system with the appropriate refrigerant. For electrical issues, they will inspect and repair or replace faulty wiring or components as needed. In cases where the indoor or outdoor units have mechanical problems, such as a malfunctioning fan or compressor, we will replace the defective parts. After completing the repairs, the technician will thoroughly test the system to ensure it operates efficiently and effectively, making any necessary adjustments to optimize performance for your Long Island home’s comfort. After making any repairs during your service call we ensure the area where we did our work is clean and neat.
Top-Rated Mini-Split Air Conditioning Maintenance Plans for Long Island
T.F. O’Brien offers comprehensive mini-split AC and heating maintenance plans. Your Long Island maintenance plan includes seasonal check-ups, where our technicians inspect and clean both the indoor and outdoor units. Regular maintenance services also involve checking and topping off refrigerant levels, ensuring optimal cooling and heating performance. We will also clean or replace air filters, which helps maintain indoor air quality and system efficiency. Diagnostic checks are another key component of your mini-split system maintenance, allowing us to identify and address potential issues before they become major problems. The best way to extend your system’s lifespan is by taking advantage of our mini-split maintenance, which ensures it will run more efficiently and smoothly.
Get Started with an Estimate
Join 25,000+ Happy Homeowners!
Call T.F. O'Brien Cooling & Heating at (516) 488-1800 or complete our short form below and a representative will reach out to you.
"Completely Satisfied"
"I was completely satisfied with the professionalism, quality, and courteousness of your service. I will continue to call on and recommend you all future AC/Heating needs. Thank You."
- T.F., Baldwin, NY
See how Daikin ductless systems can improve your comfort and save you money
Unlike single speed systems, Daikin ductless inverters offer variable speeds for more efficient home comfort.
Hear the difference in a Daikin ductless system from T.F. O'Brien
Our ductless solutions are engineered to operate under 50 decibels. The whisper quiet design will help keep your home a relaxing and comfortable environment. Proven to be a dependable system that consistently provides heating and cooling without unexpected cycling and off. Comfortably enjoy your home with a Daikin ductless system.
We also offer emergency repair service, seven days a week, including holidays.
T.F. O’Brien & Co is proud to provide exceptional maintenance and repair services, including emergency service, for residential and commercial customers in Nassau and Suffolk Counties. Get your system back up and running, promptly and professionally.
Count on T.F. O’Brien when you need mini-split air conditioning service for your Long Island home
We provide Ductless Mini-Split Repair & Maintenance on Long Island, including Nassau County, and Suffolk County.
