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Air Conditioning Services Complete cooling for Long Island homes
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Fast diagnostics when your AC breaks down
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Upgrade to a modern, energy-efficient system
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New system sizing & expert installation
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Central Air Installation
Whole-home cooling designed for max comfort
Ductless Systems Flexible zoned comfort — no ductwork required
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Flexible zoned comfort without ductwork
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Heating Services Fast, reliable heat when you need it most
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Furnace Installation & Replacement
High-efficiency furnace upgrades
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Fast diagnostics & reliable repair
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Boiler Installation & Replacement
Modern high-efficiency boilers
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Heating System Maintenance
Seasonal tune-ups & safety checks
Heat Pump Services Year-round efficiency — heating & cooling in one
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Heat Pump Repair
Restore efficiency with expert diagnostics
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Heat Pump Installation & Replacement
Year-round comfort with modern heat pump tech
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Nassau & Suffolk County
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🔧AC Maintenance ⚡AC Repair 🔄AC Replacement 🛠️AC Installation 🏠Central Air Installation View all Air Conditioning services →
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🔧Furnace Repair 🔥Furnace Installation & Replacement ⚙️Boiler Repair 🏭Boiler Installation & Replacement 📋Heating System Maintenance View all Heating services →
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Tips

A technician repairs an outdoor HVAC unit next to a wooden wall.
Tips

How to Compare Heating and Air Companies in Nassau County, NY

October 13, 2026
Plumber in red uniform working on a boiler installation with copper pipes.
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What to Expect From an AC Air Conditioning Company in Nassau County

October 13, 2026
Hands adjusting pressure gauges on an HVAC system with fan in background.
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5 Things the Best AC Service Company in Nassau County Must Have

September 29, 2026
A technician in a blue uniform, working for an HVAC Contractor Nassau County, uses a manifold gauge to check an air conditioning unit outdoors, with wires and components visible inside the open panel in NY.
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HVAC for Old Homes: Retrofitting Nassau County Houses

September 24, 2026
An outdoor air conditioning unit with its side panel removed, exposing electrical wires and components. The weathered unit, surrounded by grass and yellow dandelions, may need attention from an experienced HVAC Contractor in Nassau County, NY.
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Urgent HVAC Repair in Nassau County: Who to Call and What to Do First

September 22, 2026
A white van with "COOL BROS Heating & Air Conditioning" branding and contact details is parked on a street. The vehicle lists services, company address, and highlights its role as an HVAC Contractor in Nassau County, NY.
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Heat Pump vs Furnace: Nassau County Climate Guide

September 10, 2026
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Heating and Air Conditioning Companies in Nassau County: The Cost Comparison Guide

September 9, 2026
A technician repairs an outdoor HVAC unit next to a wooden wall.
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AC Heating Companies in Nassau County, NY: Which System Fits Your Home?

September 9, 2026
Two technicians fixing an outdoor air conditioning unit with tools.
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Nassau County HVAC Permits: What a Licensed Contractor Must Pull

September 9, 2026
A worker in blue overalls and a hard hat, likely an HVAC contractor in Nassau County, NY, repairs or installs a ceiling-mounted air conditioning unit, standing on the floor and looking up at the open panel.
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Repair or Replace AC? The Decision Framework That Works

September 9, 2026
Two Daikin air conditioning units outside a blue sided home.
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Air Duct Cleaning Prices: What Nassau County Homeowners Should Expect

September 9, 2026
HVAC system with ductwork installed in an attic space.
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HVAC Financing Through Air Conditioning Companies in Nassau County

September 1, 2026
Technician on ladder installing air conditioning unit on wall.
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PSEG Energy Star Rebates and NYSERDA Programs for Long Island

September 1, 2026
Assorted plumbing tools and a pipe fitting with valves are laid out on top of a white water heater, often seen during inspections by an HVAC Contractor Nassau County, NY, with several metal pipes and connections visible on the wall behind them.
Tips

What Separates the Best Heating Maintenance Companies in Nassau County

September 1, 2026
An outdoor air conditioning unit with its side panel removed, exposing electrical wires and components. The weathered unit, surrounded by grass and yellow dandelions, may need attention from an experienced HVAC Contractor in Nassau County, NY.
Tips

AC Maintenance in Nassau County, NY: Maintain, Upgrade, or Replace?

August 25, 2026
Two car air conditioning evaporator coils sit side by side on rough concrete; the left coil is dirty and dark, while the right one, cleaned by a top NY HVAC Contractor Nassau County trusts, shines silver.
Tips

5 Questions to Ask Before Hiring a Boiler Service Provider in Nassau County, NY

August 25, 2026
A worker wearing a blue hard hat, safety glasses, and a harness inspects or installs a large metal air ventilation duct for an HVAC Contractor Nassau County in an industrial or commercial building in NY.
Tips

Boiler Maintenance vs. Service: What Nassau County Homeowners Need to Know

August 25, 2026
A construction worker wearing a white hard hat and yellow safety vest holds a flexible air duct, representing an HVAC Contractor Nassau County, NY, inside a building under construction.
Tips

Don’t Get Caught Cold: Fall Heating System Prep

August 13, 2026
Amana ASZV9 S-Series heat pump outdoor unit
Tips

PSEG Rebates for Nassau County Homeowners: What’s Available and How to Claim It

August 4, 2026
Armstrong Air Pro Series systems with central air unit and thermostat.
Tips

24 Hour Heating Service Emergency Rates

July 30, 2026
HVAC technician in hard hat repairing rooftop air conditioning unit using tools.
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AC Not Cooling? Take These Steps Before Calling a Technician

July 28, 2026
A person’s hand adjusts a red valve on a complex system of brass pipes and fittings—likely part of an HVAC system installed by a Nassau County contractor in NY—with multiple valves, gauges, and flexible hoses visible.
Tips

Your Air Conditioning Tune-Up Checklist Before Nassau County Summer

July 28, 2026
A person wearing gloves uses a digital inspection camera to examine the inside of a dusty air duct in a modern NY living room, showcasing the expertise of an HVAC Contractor Nassau County.
Tips

Heat Pump Troubleshooting: Symptom-by-Symptom Breakdown for Nassau County Homeowners

July 21, 2026
An outdoor air conditioning unit with its side panel removed, exposing electrical wires and components. The weathered unit, surrounded by grass and yellow dandelions, may need attention from an experienced HVAC Contractor in Nassau County, NY.
Tips

24-Hour Heating Service Nassau County: What That Promise Actually Means

July 14, 2026
Two car air conditioning evaporator coils sit side by side on rough concrete; the left coil is dirty and dark, while the right one, cleaned by a top NY HVAC Contractor Nassau County trusts, shines silver.
Tips

Boiler Replacement Cost Guide for Nassau County

July 9, 2026
A person wearing a white cap and light-colored shirt works on metal air ducts, adjusting wires and components in an industrial indoor setting—typical of an HVAC Contractor Nassau County, NY.
Tips

3 Furnace Cleaning Mistakes That Cost You Thousands

July 2, 2026
A maintenance worker in overalls and a white cap, employed by an HVAC Contractor Nassau County, uses a power drill to work on large metal air ducts in an industrial NY setting.
Tips

When to Replace vs Repair Your Furnace

June 30, 2026
A construction worker wearing a white hard hat and yellow safety vest holds a flexible air duct, representing an HVAC Contractor Nassau County, NY, inside a building under construction.
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Tankless Water Heater Cost: 2026 Installation Pricing

June 23, 2026
Technician using tools to repair an air conditioning unit with exposed wires.
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24hr AC Repair vs Regular Service: Cost Reality Check

June 11, 2026
Amana ASZV9 S-Series heat pump outdoor unit
Tips

HVAC Installation Services: What $15K vs $25K Gets You

June 2, 2026
Four commercial HVAC units installed outside a building.
Tips

AC Replacement Cost in Nassau County: 2026 Pricing

May 28, 2026
Armstrong Air Pro Series systems with central air unit and thermostat.
Tips

AC Maintenance: Why Your AC Bills Are Higher Than They Should Be

May 26, 2026
Two Daikin air conditioning units next to blue house siding with stone base.
Tips

Smart Thermostats and AC Efficiency in Nassau County, NY

June 3, 2025
Group of outdoor air conditioning units installed under a metal staircase
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Preparing Your AC for a Heatwave in Nassau County, NY

May 13, 2025

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Call: 516-646-2260

Cool Bros

  • 608 Merrick Road
    Lynbrook, NY 11563
  • Call: 516-646-2260
  • Text: 516-928-4702
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