Serving Brooklyn & All NYC Boroughs
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Brooklyn HVAC Company & Brownstone Heating and Air Conditioning

We're a Brooklyn HVAC company built on a simple idea: do honest work for your neighbors. No gimmicks, no corporate runaround — just techs who show up when they say they will and fix it right.

Reviews

What Brooklyn Neighbors Say

4.9 stars from 200+ verified reviews across Google, Yelp, Thumbtack, and HomeAdvisor

I've owned homes in NYC for 20 years now and have had too many bad experiences with contractors to count. Ben and his team just did exactly what they said they'd do — they arrived on time, they worked at lightning speed, they communicated extremely well.

Ave C. · February 2025

Verified Customer Review

Ben is reliable and knowledgeable. This is our second year and we are extremely satisfied.

Patricia R. · September 2025

Verified Customer Review

Built for Brooklyn

Brownstone Heating & Air Conditioning is a Brooklyn HVAC contractor focused on one thing: diagnosing problems correctly and fixing them properly the first time. We work across brownstones, prewar buildings, co-ops, condos, and multi-family properties where HVAC systems are rarely straightforward. Tight mechanical spaces, long refrigerant line runs, rooftop condensers, and older infrastructure are normal here — and that's the environment we're built for.

We provide AC repair Brooklyn homeowners rely on, along with HVAC service Brooklyn landlords and building managers need year-round. From cooling issues in the summer to heating problems in the winter, we approach every job the same way: slow down, isolate the system, and find the actual cause before recommending anything. No guesswork, no unnecessary replacements, no shortcuts.

Serving Brooklyn Homes and Buildings

Brooklyn is not a one-size-fits-all service area. A system in a Park Slope brownstone behaves very differently from one in a Williamsburg condo or a Bed-Stuy multi-family. We've worked in all of them — and that experience shows up in how we diagnose and repair systems.

Common issues we handle include:

  • AC not cooling or blowing warm air
  • Refrigerant leaks in older systems
  • Frozen coils and airflow restrictions
  • Mini split heads not communicating with outdoor units
  • Drainage problems causing water leaks
  • Uneven cooling across floors or rooms
  • Heating and cooling repair Brooklyn buildings struggle with during seasonal changes

Every one of these problems has multiple possible causes. We take the time to narrow it down so the fix actually holds.

What Makes Our Approach Different

A lot of HVAC calls in Brooklyn start the same way — the system isn't working, another company already looked at it, and the answer wasn't clear or didn't feel right. That's where we come in.

We don't top off refrigerant and leave. We don't jump straight to system replacement. We test, pressure check, inspect airflow, and verify performance before giving you an answer. If it's repairable, we'll fix it. If it's not worth repairing, we'll tell you directly and explain why.

Customers consistently come back because they know what to expect:

  • Clear explanation of what's wrong
  • Straightforward pricing before work starts
  • Repairs that are done properly, not temporarily
  • Honest guidance on whether to repair or replace

Experience Across System Types

We work on central AC systems, ductless mini splits, and heating systems including furnaces and hydronic boilers (non-steam). Brands we commonly service include Mitsubishi, Fujitsu, Daikin, LG, Carrier, Bryant, and Rheem.

Mini split systems are a big part of our work across Brooklyn. We handle:

  • Multi-zone systems with one head not cooling
  • Communication and control board issues
  • Drain line problems and water leaks
  • Full cleaning and maintenance that actually reaches internal components

For central systems, we regularly diagnose issues tied to airflow, ductwork limitations, and older system retrofits that weren't designed properly for the space.

Built on Referrals and Repeat Customers

Most of our work comes from referrals — neighbors, landlords, and property managers recommending us after the first job. That pattern doesn't happen by accident. It comes from showing up, doing the work right, and being someone customers can actually reach when they need service again.

Brooklyn homeowners are used to dealing with contractors who rush, oversell, or disappear after the job. We built this company by doing the opposite:

  • Show up when we say we will
  • Do what we said we would do
  • Stand behind the work

Need HVAC Service in Brooklyn?

If you're dealing with an HVAC issue and want a clear answer before committing to anything, reach out. Call or text (347) 997-3360 or book online. We'll ask a few quick questions about the system, the problem, and your location so we can give you a realistic idea of what's going on before we even arrive.

Whether it's AC repair, mini split service, or heating diagnostics, we're here to help you figure it out — and fix it the right way.

Brownstone Heating & Air Conditioning team in Brooklyn — Ben Guttman with crew
The crew — Brooklyn-based, Brooklyn-trained.
Crane lifting a rooftop AC unit over a Brooklyn street during a real Brownstone Heating & Air Conditioning install
Rooftop swap by crane — real job day in Brooklyn.

What We Stand For

Honest Pricing

We quote before we start. No hidden fees, no surprise add-ons, no pressure to replace something that doesn't need replacing.

Diagnose Before We Quote

Every call starts with a real diagnostic — airflow, electrical, refrigerant, controls. We carry common parts on the truck so most jobs wrap same-day.

Local and Accountable

We live and work in Brooklyn. Our reputation gets built one job at a time, which is why we treat every customer like a neighbor.

Licensed and Insured

Fully licensed in NYC with general liability and workers' comp. We can send a COI for buildings that need one before we show up.

10+

Years in Brooklyn

5,000+

Jobs Completed

4.9★

Average Rating

Same-Day

When Possible

Work With a Brooklyn HVAC Company That Shows Up

Start with what's going on — a quick description is all we need to point you in the right direction.

What People Ask Before Hiring Us

What makes you different from the bigger HVAC companies in the city?

We are owner-operated, no commission technicians, and we live and work in Brooklyn. The person who diagnoses your system has no incentive to oversell it. Bigger shops route service calls through dispatch and pay techs on parts sold — we do not. You get a straight answer on whether to repair or replace, every time.

Will you tell me to replace a system that does not need it?

No. If a $40 capacitor fixes it, we will tell you that. If a system is genuinely at end of life and a repair is throwing good money after bad, we will say that too — and walk through what a replacement actually costs without pressure. You see the numbers, you decide.

Are you comfortable with prewar Brooklyn buildings?

Yes. Brownstones, walk-ups, two-family conversions, and small co-op buildings are most of what we do. We work around landmark constraints, tight rear yards, narrow stairwells, and 100-amp electrical service every week.

Do you provide a Certificate of Insurance for my building?

Yes — we send a COI same-day to any board, super, or management company that needs one before work starts. We carry general liability and workers comp coverage as required for NYC HVAC work.

How a Service Call Actually Goes

  1. 1

    We listen first, then look

    Every call starts with you describing what is going on. We ask what changed, when it started, and what the system has been doing — not so we can sound thorough, but because half the time the answer is in the description. Then we walk the equipment thermostat to outdoor unit before opening any panels.

  2. 2

    We diagnose with instruments

    Manifold gauges, multimeter, clamp meter, infrared thermometer. We measure superheat, subcool, capacitor microfarads, contactor pull-in, condensate flow, and delta-T across the coil. A standard diagnostic runs 30 to 60 minutes. You watch the readings as we take them.

  3. 3

    We quote before we touch anything

    Once we know what is wrong, we tell you the cost of parts and labor and what happens if you wait. No work starts until you say go. If a repair is borderline and replacement makes more sense, we lay out both honestly and you decide.

  4. 4

    We fix it and back it for a year

    Most repairs wrap same-day with parts already on the truck. All workmanship is backed with a 1-year labor warranty in writing. Parts carry the manufacturer warranty, which we register on your behalf.

What We Stand Behind

10+ years in Brooklyn

Owner-operated since the start. Brooklyn-based, working in this borough every day, not once a quarter from somewhere in Queens or Long Island.

Fully NYC licensed and insured

Licensed for HVAC work in NYC with general liability and workers comp coverage. COI sent same-day to any building that needs one.

1-year workmanship warranty

Every repair backed in writing on labor for a full year. If something we touched fails in that window, we come back at no charge — no questions, no fine print.

Honest repair-or-replace advice

We do not pay commissions on parts or replacements, so there is no incentive to oversell. If a small repair fixes it, we say so. If the system is done, we say that too.

Want to Talk to Us Directly?

Whether you are getting a second opinion, planning a renovation, or just need a system looked at honestly — call, text, or book online. No pressure, no charge to talk through your options.

No pressure, no commission-driven upsells. Diagnostic visits are flat-rate and credited toward the repair if you go ahead.

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