HVAC Brands, Makes, & Models We Service on Long Island

Since 1934, T.F. O'Brien has been providing reliable home comfort services to families across Long Island. We understand our unique coastal climate—from the hot, humid summers that demand powerful cooling and dehumidification to the cold, damp winters that require dependable heat. That's why we are proud to be a Carrier Factory Authorized Dealer, specializing in systems perfectly suited for Long Island's environment.

While we specialize in Carrier, our certified technicians have the expertise to repair and maintain all major HVAC brands. Whether you need a brand-new, energy-efficient Carrier installation to lower your PSEG bills, an emergency repair on your Trane furnace during a winter storm, or a tune-up for your Mitsubishi ductless system, T.F. O'Brien is the name that Long Island trusts.

We offer comprehensive HVAC repair and maintenance for the following leading brands:

Carrier Installation, Repair, and Maintenance – Our Specialty

As a Carrier Factory Authorized Dealer, we believe Carrier offers the best solutions for Long Island homeowners. Their systems with Greenspeed® Intelligence are masters of efficiency and humidity control, which is essential for comfort during our sticky summers. Furthermore, Carrier offers specific coastal models engineered with weather-resistant components to stand up to the salt air and harsh conditions of living near the water.

Carrier heating solutions include: High-efficiency furnaces, heat pumps, and ductless systems.
Carrier cooling solutions include: Central air conditioners, coastal units, and mini-split systems.
Carrier air quality products include: Infinity® air purifiers, humidifiers, and energy recovery ventilators.
Carrier also offers: Infinity® System Control smart thermostats.

Carrier Top Models

The Carrier Infinity® 26 Air Conditioner with Greenspeed® Intelligence: This is the pinnacle of home cooling. Its variable-speed compressor runs longer at lower speeds, offering unparalleled energy efficiency (up to 26 SEER) and the best humidity removal in its class, keeping your home comfortable and dry.
The Carrier Performance™ 17 Coastal Air Conditioner: Built specifically for homes on the North and South Shores, this unit features WeatherShield™ protection to guard against salt air corrosion, ensuring longevity and reliable performance in our coastal environment.
The Carrier Infinity® 98 Gas Furnace with Greenspeed® Intelligence: With an AFUE rating of up to 98.5%, this modulating furnace provides exceptionally consistent and quiet heat. It precisely matches its output to your home's needs, eliminating cold spots and significantly reducing heating costs.

Mitsubishi Electric Repair and Maintenance Services

Mitsubishi Electric is the undisputed leader in ductless mini-split technology, offering powerful and flexible solutions for any home. Their systems are perfect for older Long Island homes without existing ductwork or for controlling the temperature in specific areas like additions, sunrooms, or bonus rooms. Their Hyper-Heating INVERTER® (H2i®) technology provides reliable heat even on the coldest winter days.

Mitsubishi Electric Top Models

The Mitsubishi Electric Deluxe Wall-Mounted H2i® System: This ductless unit offers incredible efficiency for both heating and cooling. Its i-see Sensor™ scans the room for hot and cold spots, directing air where it's needed most for perfect comfort.
The Mitsubishi Electric Multi-Zone Outdoor Unit: Ideal for whole-home solutions, this system allows you to connect up to eight indoor units to a single outdoor condenser, giving you independent temperature control in every room and eliminating thermostat wars.
The Mitsubishi Electric Ducted Air Handler (SVZ): For homeowners who want the benefits of a Mitsubishi Electric system but have traditional ductwork, this slim, versatile unit can replace your existing furnace or air handler, providing superior efficiency and quiet operation.

Trane Repair and Maintenance Services

Trane has a legendary reputation for building durable and reliable HVAC systems that are "Hard to Stop." This makes them a solid choice to withstand the wind and weather from coastal storms and nor'easters. Trane systems are rigorously tested to ensure they provide consistent comfort year after year.

Trane heating solutions include: Gas furnaces, heat pumps, and packaged systems.
Trane cooling solutions include: Central air conditioners and ductless systems.
Trane also offers: CleanEffects® Whole-Home Air Cleaners and smart thermostats.

Trane Top Models

The Trane XV20i TruComfort™ Variable Speed Air Conditioner: A highly efficient unit that runs at the precise speed needed to keep your home comfortable. Its ability to run at lower speeds allows it to excel at removing humidity from the air on muggy Long Island days.
The Trane S9V2-CS Gas Furnace: This two-stage furnace provides even, efficient warmth. Its Vortica™ II blower is designed for quiet operation and helps circulate air to improve overall home comfort and air quality.
The Trane XR16 Air Conditioner: A popular choice for its balance of high-efficiency performance (up to 17 SEER) and excellent value, providing reliable cooling without breaking the bank.

Bosch Repair and Maintenance Services

Bosch is a leader in engineering quiet and innovative HVAC technology. Their systems are known for their inverter-driven compressors, which precisely match the heating or cooling load to save energy. They are among the quietest systems on the market, ensuring your backyard remains a peaceful oasis.

Bosch heating and cooling include: Inverter heat pumps, high-efficiency furnaces, and tankless water heaters.
Bosch also offers: Connected thermostats and geothermal systems.

Bosch Top Models

The Bosch Inverter Ducted Split (IDS) Premium Air Conditioner: This award-winning system can provide up to 20.5 SEER of cooling efficiency. It's renowned for its whisper-quiet operation, with sound levels as low as 56 dBA.
The Bosch BGH96 Series Gas Furnace: This two-stage furnace delivers up to 96% AFUE efficiency, providing consistent heat while using less fuel. Its durable design ensures long-lasting performance.
The Bosch Climate 5000 Ductless System: A single-zone or multi-zone solution that offers high-efficiency heating and cooling with a sleek, modern design for the indoor unit.

Lennox Repair and Maintenance Services

Lennox offers a range of premium HVAC systems focused on maximum energy efficiency and innovative features. Many of their top-tier products are part of the Dave Lennox Signature® Collection, representing the best in home comfort technology and helping to drastically reduce utility bills.

Lennox heating solutions include: Furnaces, heat pumps, and boilers.
Lennox cooling solutions include: Air conditioners and ductless systems.
Lennox air quality products include: PureAir™ S air purification systems.

Lennox Top Models

The Lennox SL28XCV Air Conditioner: The most precise and efficient central air conditioner on the market, with a SEER rating of up to 28. It’s also solar-ready, allowing for integration with solar panels to further reduce your energy costs.
The Lennox EL16XC1 Air Conditioner: A high-quality, single-stage unit that offers excellent efficiency (up to 17 SEER) and quiet, reliable performance, making it a smart investment for any homeowner.
The Lennox SLP99V Modulating Gas Furnace: As one of the most efficient furnaces you can buy (up to 99% AFUE), it adjusts its heat output in tiny increments to provide unprecedented temperature control and energy savings.

Whether you live on the North Shore or the South Shore, trust the experts at T.F. O'Brien to handle all your heating and cooling needs. Contact us today for a free estimate or to schedule service!

Daikin Installation, Repair, and Maintenance

Daikin is a global leader in HVAC technology, offering high-performance air conditioning and heating solutions designed for efficiency and comfort. Their systems feature advanced inverter technology, which optimizes energy use and reduces utility costs. Daikin also prioritizes environmentally friendly refrigerants, making their units a sustainable choice for homeowners and businesses.

Daikin offers residential and commercial solutions over multiple brands including:

Daikin cooling solutions include air conditioning, air handlers, and ductless mini-splits
Daikin heating solutions include furnaces, heat pumps, and packaged products
Daikin air quality products include air cleaners, monitors, and ventilation systems

Daikin Top Models

The Daikin Fit is a compact, energy-efficient inverter system that provides powerful cooling while saving space.
The Daikin VRV system utilizes variable refrigerant volume technology, allowing precise climate control across multiple zones.
The Daikin DX20VC is a high-efficiency air conditioner with a variable-speed compressor, ensuring consistent comfort and lower energy consumption.
The Daikin EMURA is a stylish ductless mini-split system designed for modern homes, combining sleek aesthetics with powerful performance.

Rheem Repair and Maintenance Services

Rheem is a trusted name in HVAC, offering high-quality heating and cooling systems that emphasize energy efficiency and reliability. Their units are designed with EcoNet technology, allowing homeowners to monitor and control their HVAC systems remotely. Rheem’s focus on sustainability makes their products a great choice for eco-conscious consumers.

Rheem heating solutions include furnaces, heat pumps, and solar water heaters
Rheem cooling solutions include air conditioners, handlers, and ductless systems
Rheem also offers smart thermostats and water solutions

Rheem Top Models

The Rheem Prestige Series RA20 is an EcoNet-enabled air conditioner that integrates smart home technology for enhanced efficiency.
The Rheem Endeavor Line Gas Furnace is a high-efficiency heating system that delivers powerful warmth while minimizing energy waste.
The Rheem Mini-Split Heat Pump is ideal for zoned heating and cooling, providing flexible climate control for different areas of a home or business.

Lennox Repair and Maintenance Services

Lennox is known for its premium HVAC systems, offering industry-leading efficiency and advanced climate control features. Their units are designed to provide consistent comfort while reducing energy consumption. Lennox also prioritizes quiet operation, making their systems ideal for residential applications.

Lennox heating solutions include furnaces, heat pumps, and boilers
Lennox cooling solutions include air conditioners, handlers, and ductless systems
Lennox air quality products include humidifiers, purifiers, and ventilation

Lennox Top Models

The Lennox SL28XCV is one of the most efficient air conditioners available, delivering exceptional cooling performance while minimizing energy use.
The Lennox EL16XC1 is a reliable single-stage cooling system that provides steady air conditioning at an affordable price.
The Lennox ML180E is a budget-friendly gas furnace that offers dependable heating without excessive energy costs.

Goodman Repair and Maintenance Services

Goodman is a popular choice for homeowners looking for affordable and reliable HVAC solutions. Their systems are designed for easy installation and maintenance, making them a practical option for budget-conscious consumers. Goodman units also feature durable components, ensuring long-lasting performance.

Goodman heating solutions include furnaces, heat pumps, and packaged systems
Goodman cooling solutions include air conditioners, handlers, and ductless systems
Trane also offers smart thermostats and indoor air essentials

Goodman Top Models

The Goodman GSX16 is an affordable and efficient air conditioner that provides reliable cooling for residential spaces.
The Goodman GMVC96 is a high-efficiency gas furnace that delivers powerful heating while keeping energy costs low.
The Goodman DSXC18 is a two-stage cooling system that enhances comfort by adjusting cooling output based on demand.

York Repair and Maintenance Services

York is known for its affordable and reliable HVAC systems, offering a balance of efficiency and durability. Their units are designed with advanced coil technology to enhance performance while reducing energy consumption. York also provides extended warranties, making their systems a great long-term investment.

York heating solutions include furnaces, heat pumps, and packaged systems
York cooling solutions include air conditioners, handlers, and mini-split systems
York air quality products include cleaners, humidifiers, and ventilation
York also offers smart thermostats

York Top Models

The York Affinity YXV is a high-efficiency air conditioner with a variable-speed compressor for precise cooling.
The York LX Series YCG is a mid-range cooling system that offers dependable performance at an affordable price.
The York TM9V is a gas furnace with a two-stage burner, ensuring consistent heating and energy savings.

American Standard Repair and Maintenance Services

American Standard is recognized for its high-quality HVAC systems, offering quiet operation and superior efficiency. Their units are built with AccuComfort technology, which allows precise temperature control and optimized energy use. American Standard systems are also known for their durability, making them a trusted choice for homeowners.

American Standard heating solutions include furnaces and heat pumps
American Standard cooling solutions include air conditioners and ductless systems
American Standard also offers smart thermostats and indoor air quality products

American Standard Top Models

The American Standard Platinum 20 is a variable-speed air conditioner that delivers exceptional cooling efficiency.
The American Standard Silver 16 is a reliable single-stage cooling system that balances affordability with performance.
The American Standard Gold S9V2 is a high-efficiency gas furnace designed for powerful heating with reduced energy costs.

Bryant Repair and Maintenance Services

Bryant offers high-performance HVAC systems with a focus on energy efficiency and reliability. Their units are built with Evolution technology, which enhances comfort while reducing energy consumption. Bryant systems are also known for their smart thermostat compatibility, allowing homeowners to optimize climate control.

Bryant heating solutions include furnaces, heat pumps, and boilers
Bryant cooling solutions include air conditioners, coils, and ductless systems
Bryant air quality products include humidifiers, purifiers, and ventilation
Bryant also offers smart thermostats

Bryant Top Models

The Bryant Evolution Extreme 26 is an ultra-efficient air conditioner with variable-speed technology for precise cooling.
The Bryant Preferred 16 is a mid-range cooling system that provides dependable performance at a reasonable price.
The Bryant Legacy 80 is a budget-friendly gas furnace that delivers reliable heating without excessive energy costs.

Ruud Repair and Maintenance Services

Ruud is a trusted HVAC brand offering affordable and efficient heating and cooling solutions. Their systems are designed with PlusOne technology, which simplifies installation and maintenance. Ruud units also feature EcoNet smart controls, allowing homeowners to monitor and adjust their HVAC system remotely.

Ruud heating solutions include furnaces, heat pumps, and boilers
Ruud cooling solutions include air conditioners, handlers, and ductless systems
Ruud air quality products include filters, purifiers, and ventilation
Ruud also offers smart thermostats

Ruud Top Models

The Ruud Ultra Series UA20 is a high-efficiency air conditioner with variable-speed operation for optimized cooling.
The Ruud Achiever Series RA16 is a reliable single-stage cooling system that balances affordability with performance.
The Ruud Achiever Plus R96V is a gas furnace with a two-stage burner, ensuring consistent heating and energy savings.

Coleman Repair and Maintenance Services

Coleman is known for its affordable and durable HVAC systems, making it a great choice for homeowners looking for reliable performance at a reasonable price. Their units are designed with rugged construction, ensuring longevity and efficiency. Coleman also offers extended warranties, providing extra peace of mind for customers.

Coleman heating solutions include furnaces, heat pumps, and packaged systems
Coleman cooling solutions include air conditioners and mini-split systems
Coleman also offers smart thermostats and indoor air quality products

Coleman Top Models

The Coleman Echelon Series AC21 is a high-efficiency air conditioner with variable-speed technology for precise cooling.
The Coleman LX Series TM9E is a compact gas furnace that delivers powerful heating while fitting into tight spaces.
The Coleman CP9C is a modulating gas furnace that adjusts heating output based on demand, improving comfort and efficiency.

Amana Repair and Maintenance Services

Amana is recognized for its budget-friendly HVAC solutions, offering solid performance and energy efficiency at an affordable price. Their systems are built with advanced compressor technology, ensuring reliable cooling and heating. Amana also provides lifetime warranties on select models, making them a great long-term investment.

Amana Top Models

The Amana AVXC20 is a high-efficiency air conditioner with a variable-speed compressor for optimized cooling.
The Amana AMVC96 is a gas furnace with a two-stage burner, ensuring consistent heating and energy savings.
The Amana ASZ14 is a heat pump that provides both heating and cooling, making it a versatile option for year-round comfort.

Frigidaire Repair and Maintenance Services

Frigidaire offers high-performance HVAC systems with a focus on energy efficiency and reliability. Their units are designed with EcoLogic technology, which enhances comfort while reducing energy consumption. Frigidaire systems are also known for their quiet operation, making them ideal for residential applications.

Frigidaire heating solutions include furnaces, heat pumps, and packaged systems
Frigidaire cooling solutions include air Conditioners and ductless systems
Frigidaire air quality products include filters, purifiers, and ventilation
Frigidaire also offers smart thermostats

Frigidaire Top Models

The Frigidaire iQ Drive FS4BI is an ultra-efficient air conditioner with variable-speed technology for precise cooling.
The Frigidaire FG7TC is a gas furnace with a two-stage burner, ensuring consistent heating and energy savings.
The Frigidaire FSH1BE is a heat pump that provides both heating and cooling, making it a versatile option for year-round comfort.

Bosch Repair and Maintenance Services

Bosch is a leader in innovative HVAC technology, offering high-efficiency heating and cooling solutions designed for sustainability. Their systems feature inverter-driven compressors, which optimize energy use and reduce utility costs. Bosch also prioritizes environmentally friendly refrigerants, making their units a great choice for eco-conscious homeowners.

Bosch heating and cooling include heat pumps, furnaces, and boilers
Bosch also offers smart thermostats, water heaters, and thermostats

Bosch Top Models

The Bosch IDS Premium is a high-efficiency air conditioner with variable-speed technology for optimized cooling.
The Bosch Greenstar Gas Boiler is a compact heating system that delivers powerful warmth while minimizing energy waste.
The Bosch BOVA Series Heat Pump is a versatile system that provides both heating and cooling, ensuring year-round comfort.

Napoleon Repair and Maintenance Services

Napoleon is known for its premium HVAC systems, offering industry-leading efficiency and advanced climate control features. Their units are designed to provide consistent comfort while reducing energy consumption. Napoleon also prioritizes smart home integration, making their systems ideal for modern households.

Napoleon Top Models

The Napoleon 16 SEER Central Air Conditioner is a reliable cooling system that balances affordability with performance.
The Napoleon 9600 Series Gas Furnace is a high-efficiency heating system that delivers powerful warmth while keeping energy costs low.
The Napoleon NT Series Heat Pump is a versatile system that provides both heating and cooling, ensuring year-round comfort.

Heil Repair and Maintenance Services

Heil is known for its high-performance and energy-efficient HVAC systems, offering advanced technology and reliable comfort. Their units are designed with Smart Sense technology, which optimizes cooling and heating based on demand. Heil also provides exceptional warranty coverage, ensuring long-term reliability for homeowners.

Heil heating solutions include furnaces, heat pumps, and geothermal heating
Heil cooling solutions include air conditioners, coils, and ductless systems
Heil also offers smart thermostats and air purifiers

Heil Top Models

The Heil Ion Series is their premier air conditioning lineup, featuring variable-speed compressors for precise temperature control and ultra-quiet operation.
The Heil Performance Series offers a more budget-friendly option while maintaining excellent cooling efficiency.
The Heil QuietComfort Gas Furnace is designed for powerful heating with minimal noise, making it ideal for residential applications.

Why Choose T.F. O'Brien for Your Long Island Home?

Carrier Factory Authorized Dealer: Our team receives ongoing, specialized training in Carrier's best practices for installation, maintenance, and repair, ensuring you get the most out of your system.
Over 85 Years of Long Island Service: Since 1934, we've built our reputation on trust, quality workmanship, and exceptional customer service. We know this community because we're part of it.
Expertise on All Major Brands: Our technicians are certified to service and repair any make or model of furnace, boiler, air conditioner, or heat pump.
Focus on Energy Efficiency: We understand the high cost of energy on Long Island. We'll help you choose a system that lowers your PSEG bills while keeping you perfectly comfortable.
24/7 Emergency Service: HVAC systems don't break down on a 9-to-5 schedule. We're here for you 24 hours a day, 7 days a week for emergency repairs.