Confirmed diagnosis
We confirm the fault before parts are ordered. Electrical checks, gas pressure, combustion analysis, airflow and temperature split all feed into one clear diagnosis.
Brooklyn, New York
Furnace, Boiler & Air Conditioning Service in Brooklyn, NY
Brooklyn homes and small buildings run on equipment that needs real diagnostics — not guesswork. We repair, install and maintain heating and cooling systems throughout Brooklyn, including the brownstones, multi-family houses and row houses this borough is built from.
About Our Company
Heating and cooling service built around Brooklyn buildings
Brooklyn Furnace Repair Svs is a local heating and air conditioning contractor based in Brooklyn, New York. We work on the equipment that Brooklyn homes and small businesses actually depend on — older steam and hot-water boiler systems in brownstones, rooftop and split air conditioners in multi-family buildings, and ductless equipment in apartments where ductwork was never installed.
Every call starts with a diagnosis. We inspect the system, measure airflow and temperature delivery, verify the fuel or electrical supply, and confirm the source of the fault before recommending any repair or replacement. That approach protects your equipment, keeps indoor air quality in check, and means you are never paying for parts that were never needed.
- Diagnostic-first troubleshooting
- Gas, electric & oil heating
- Hydronic and boiler expertise
- Cooling and ductless systems
- Written findings after service
- Residential & multi-family work
Brooklyn, NY
Service you can verify
We explain what failed, what was done, and what to watch next.
Our Approach
How we handle your HVAC system
Clear process, plain language, and no pressure to replace equipment that still has service life in it.
Written findings
You get a straightforward explanation of the problem, the repair performed, and any items worth monitoring or planning for later — in writing, not verbally.
Safety checked first
Combustion systems are verified for venting, airflow and carbon monoxide risk before a repair is considered complete. If a system is unsafe, we tell you why.
Right-sized decisions
Replacement guidance is based on system condition, space, exposure and efficiency needs — not on a preset replacement quota.
Brooklyn buildings
We service brownstones, attached row houses, multi-family properties, storefronts and small offices — including tight mechanical rooms and older venting layouts.
Careful, tidy work
Drop cloths down, tools organized, and the equipment room left the way we found it after the job is finished.
Our Services
Complete heating and cooling service
From a furnace that will not ignite to a full air conditioning installation, our technicians handle the systems common to Brooklyn properties.
Furnace Repair
Faults traced on gas, electric and oil-fired furnaces: failed igniters and flame sensors, tripped high-limit switches, blower motor and capacitor faults, faulty inducer motors, control board errors and cracked heat exchangers. Combustion and venting are verified before the system is returned to service.
Boiler Repair
Hydronic heating is common in Brooklyn brownstones and multi-family buildings. We service circulation pumps, zone valves, expansion tanks, pressure control, feed and relief lines, air in the system, zone leaks and radiator or baseboard balance on both steam and hot-water systems.
Air Conditioner Repair
Refrigerant leaks and recharge, compressor and contactor failure, run capacitors, fan motors, thermostats, control boards, frozen evaporator coils and clogged condensate drainage. Central, split, window and ductless units are all serviced.
AC Installation & Replacement
Load calculation, room-by-room assessment, equipment selection matched to the space and exposure, line-set and condensate handling, electrical and disconnect work, then start-up testing with airflow and temperature split verification before handover.
Preventive Maintenance
Seasonal tune-ups that keep equipment running as intended: filter service, condenser and evaporator coil cleaning, blower inspection and lubrication, burner and combustion checks, drain pan and line clearing, safety shutoff testing, and a written condition report.
Priority HVAC Service
Fast response for total system shutdowns, furnace lockouts, gas odour, water leaks from a coil or air handler, and no-heat or no-cool conditions across Brooklyn, NY. We book same-day visits, and we will tell you honestly if your problem can wait for a regular appointment.
Thermostats & Controls
Programming, replacement and calibration for programmable, smart and zoning thermostats, plus troubleshooting wiring faults, humidity sensors, limit controls and control boards that are preventing the system from running as designed.
Ductwork & Airflow
Supply and return balancing, filter housing corrections, register and vent adjustments, and sealing of duct leaks found in basements, attics and chase spaces — common causes of uneven heating and cooling across the floors of a Brooklyn house.
Multi-Family & Small Commercial
Rooftop units, condensing units, split systems, building-wide controls and recurring service schedules for landlords, apartment buildings, storefronts and small offices throughout Brooklyn.
Systems We Service
All major makes and models
We repair and maintain equipment regardless of brand or who originally installed it. If your system is listed below, we can service it — and if it is not, call us anyway.
Air Conditioning
- Carrier
- Trane
- Lennox
- Goodman
- Amana
- York
- Rheem
- Daikin
- Friedrich
- LG
- Samsung
- Mitsubishi Electric
- Central Air
- Mini-split
Furnaces & Heating
- Carrier
- Trane
- Lennox
- Goodman
- Amana
- York
- Rheem
- Bosch
- Heil
- Burnham
- Dunkirk
- Weathermaker
- Gas
- Electric
- Oil
Boilers & Hydronics
- Weil-McLain
- Buderus
- Peerless
- NTI
- HBI
- Hot water
- Steam
- Radiators
- Baseboard
- Hydronic zoning
- Primary loop
Diagnostics
Measured, not assumed
Airflow, superheat, subcool, gas pressure and combustion are verified on site.
Warning Signs
When to schedule service
Most HVAC failures do not begin as a total shutdown. These are the patterns we are called out for most often across Brooklyn, and they are worth acting on early.
- Furnace short-cycles, blows cold air or shuts off in the middle of a cycle
- Radiators stay cold while the boiler is clearly running
- Air conditioner runs continuously without reaching the thermostat setting
- Water or ice at the indoor unit, or a stain forming on the ceiling below
- Burning smell at the furnace, a yellow or flickering flame, or soot at a vent
- Grinding, squealing or rattling from the blower or equipment cabinet
- Carbon monoxide alarm or a hissing sound at a gas appliance
- Heating or cooling costs rising without any change in how the space is used
Smell gas? Leave the building immediately, avoid switches, flames and
phones inside, and call the gas utility's emergency line from outside. Once the space
is cleared, call us and we will handle the heating repair.
Service Process
What happens after you call
A predictable sequence from first call to completed work, so you always know what comes next.
01
Describe the problem
Tell us the symptoms, the system type and where the equipment is located. We ask targeted questions so the right technician and the likely parts arrive prepared.
02
On-site diagnosis
We inspect the equipment, check the fuel or electrical supply, measure airflow and temperature delivery, and confirm the fault before anything is recommended.
03
Written recommendation
You receive a clear explanation of the findings, the repair options, and anything that can reasonably be deferred. You decide what happens next — no pressure.
04
Service & verification
Work is completed and tested under real load. Temperature delivery, system operation and safety checks are verified before the technician leaves the property.
Priority Service
No heat, no cooling, or a system that has shut down?
Lockouts, gas odours, leaks and total shutdowns are treated as priority calls. We book same-day visits throughout the week, and we will tell you honestly if your problem can safely wait for a regular appointment instead.
- No-heat and no-cool calls
- Furnace lockouts and ignition faults
- Water and condensate leaks
- Odd noises, smells or soot
FAQs
Frequently asked questions
Common questions about heating, air conditioning and service scheduling in Brooklyn homes and buildings.
How often should a furnace or air conditioner be serviced?
Plan on at least one service visit before each season — heating in autumn and cooling in spring. Systems that run year-round, such as boilers and multi-speed air handlers, benefit from a mid-season check as well.
Maintenance is not just about noise. Keeping the filter, coils, burner and airflow clean and balanced is what lets a system hold temperature efficiently, and it is often how a failing part is caught before it stops the equipment altogether.
My furnace blows cold air. What is likely causing it?
Start with the thermostat: set the system to heat and confirm the fan is on auto, not manual. If the fan runs but the air never warms, the usual causes are a tripped high-limit switch or a dirty flame sensor, a failed blower motor, or an ignition problem.
Resetting a limit switch over and over is a temporary measure, not a fix. If it trips again, call us for a proper diagnosis of airflow, filter condition and heat exchanger status.
Why is my air conditioner running constantly but not cooling?
Four causes account for most cases: a low refrigerant charge caused by a leak, a clogged air filter or dirty evaporator coil starving airflow, a failing blower motor, and a compressor that is not cycling. A frozen coil and a tripped breaker fit the same pattern.
Leaving a struggling system running can worsen the situation, but it is generally fine to keep it on until a technician can attend. If you see water or ice at the indoor unit, turn the system off at the thermostat and shut it down at the breaker until it is inspected.
Is it normal for a furnace to make a loud noise?
Not usually. A blower can develop a scraping, grinding or squealing sound from a worn belt, a failing motor bearing, or a loose wheel or component. Rattling can also come from sheet metal expanding as it heats, which is common but worth confirming.
Grinding that changes with speed usually points to the motor or blower wheel. Those situations are worth scheduling promptly, because a bearing that is already failing tends to take the motor with it.
Do you service boilers, radiators and baseboard systems?
Yes. Hydronic heating is widespread in Brooklyn brownstones and multi-family buildings, and it is a large part of our work. We service hot-water and steam systems, including circulation pumps, zone valves, expansion tanks, pressure control, feed and relief piping, air trapped in the system, leaks in individual zones, and radiator or baseboard balance.
Older buildings often have a mix of systems across different floors. We can work through that one zone at a time so a single fault does not affect the whole building.
Can you install a new system in a building that already has one?
Yes. We assess the available space, existing ductwork, electrical capacity and drainage, then recommend equipment sized to the actual load rather than a rule of thumb. For apartments without existing ductwork, ductless systems are usually the practical route.
Installation covers line sets, condensate management, electrical connections, and a full start-up test with airflow and temperature split verification before the system is handed over.
Will you repair equipment another company installed?
Yes. We diagnose and repair systems of most major makes regardless of who installed or has been maintaining them, and we do not require an existing service agreement. If your equipment is outside our regular coverage, call us — we may still be able to help.
What should I do if I smell gas?
Leave the building immediately. Do not operate switches, light flames, or use a phone inside the building. From a safe distance, call the gas utility's emergency line, and only re-enter when they confirm it is safe.
Once the space is cleared, call us at 929-702-1472. Gas supply issues are the utility's to resolve, and we can begin on the heating and venting equipment once the gas service is restored.
Do you offer maintenance plans or recurring service?
Seasonal tune-ups and ongoing service schedules are available for homeowners, landlords, and small commercial properties. Plan scope is defined in writing so you know exactly which visits and which tasks are included, and nothing is added without your approval.
Contact Us
Schedule your heating or cooling service
Call 929-702-1472 to book a visit. Our office is in Brooklyn, NY, and we schedule same-day service across the borough.
When you call, it helps to have a few details ready: the type of system you have (gas, electric or oil furnace, boiler, central air, split or ductless), what the equipment is doing or not doing, when the problem started, and your neighbourhood or ZIP code. That lets us send the right technician with the likely parts instead of a first trip to diagnose what we could have confirmed by phone.
We service homes, brownstones, multi-family buildings and small commercial properties across Brooklyn, NY — including Williamsburg, Greenpoint, Bushwick, Bedford-Stuyvesant, Crown Heights, Brooklyn Heights, Park Slope, Bay Ridge, Sheepshead Bay, Canarsie and East New York. If you are outside these neighbourhoods, call anyway and we will confirm whether we can reach your address.