Licensed & Insured Hvac in Old Greenwich, CT

Old Greenwich's Hvac Team That Shows Up On Time

Our Old Greenwich-based crews carry the parts and the know-how to get your air moving again today. Priority scheduling available across Old Greenwich and the surrounding zip codes.

✓ Fully Certified Crews
✓ Nights & Weekends Covered
✓ Upfront Pricing
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Professional Hvac technician working in Old Greenwich, CT
24/7Emergency Response
Same-DayAverage Arrival Window
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What Happens After You Call

What To Expect When You Call +1-866-805-8548

1. Talk To Our Dispatch Team

Call +1-866-805-8548 and describe what your system is doing — the symptoms help us send a tech prepared with the right parts.

2. Diagnosis & Upfront Quote

A licensed technician arrives, runs a full diagnostic, and explains exactly what's wrong in plain language.

3. Repair & Follow-Up

Most repairs are completed same-visit, and we test the system before we leave to confirm it's actually holding.

About Leonard HVAC

The Hvac Team Old Greenwich Homeowners Actually Trust

Leonard HVAC didn't start as a franchise chasing volume. We invest in ongoing training so our techs recognize a failing capacitor, a cracked heat exchanger, or a refrigerant leak before it turns into an emergency.

We're not the biggest name in Old Greenwich — we're the team that shows up in the truck, not a subcontractor we've never met. Licensing and insurance aren't optional line items for us, and we keep that documentation available on request for every job, big or small.

Being local matters more than most companies let on. That local knowledge shapes the maintenance schedules we recommend — it's the difference between a tech who's guessing and a tech who's seen your exact situation a hundred times before.

Too many homeowners in Old Greenwich have a story about a tech who showed up late, quoted one price, and charged another. That's the gap we built Leonard HVAC to close. Every dispatcher, every technician, and every follow-up call is held to the same standard, because a customer who trusts us once tends to call us again — and Old Greenwich is a small enough community that reputation travels fast.

That local context saves time on every call, because we're not starting from zero on basic questions about your neighborhood or your system. We keep parts inventory stocked based on what actually fails most often on Old Greenwich's housing stock.

Fully BondedDocumentation available on request
Always On CallReal humans answer, not a voicemail loop
Flat-Rate QuotesDiagnostic fees explained before we touch the system
Old Greenwich-Based CrewsTrucks stationed close to Old Greenwich, not across the county
What We Handle

Hvac in Old Greenwich — Done Right, Not Just Done Fast

Whether it's a mid-summer breakdown or a planned system replacement, our Old Greenwich techs handle it with the same level of care.

Emergency

24/7 Emergency Heating & Cooling Repair

When your Hvac system fails without warning, waiting days for an appointment isn't an option. Our Old Greenwich dispatch team sends the closest available truck first so a technician is diagnosing your system as fast as physically possible.

  • Same-day diagnostic and repair
  • Electrical and control board diagnostics
  • Temporary fixes when parts require special order

We keep the truck stocked with the parts that fail most often on the equipment common to Old Greenwich homes, which is exactly why most repairs don't require a return visit.

24/7 Emergency Hvac experts in Old Greenwich, CT
Installation

Residential Hvac Installation & Replacement

If your unit is past its expected service life, running loud, or spiking your utility bill, a replacement conversation is worth having. We walk Old Greenwich homeowners through efficiency ratings and how they translate into real monthly savings before a single piece of equipment gets ordered.

  • Full system replacements, furnace to condenser
  • Smart thermostat setup and integration
  • Post-install performance testing

Most installs in Old Greenwich are completed in a single day, and we walk you through the new thermostat and any app controls before we leave.

Reliable Hvac contractor in Old Greenwich, CT by Leonard HVAC
Facilities

Commercial Hvac Service

Commercial equipment operates differently than a residential unit, and it needs technicians who actually understand rooftop packages and multi-zone systems. Our commercial division services multi-zone commercial buildouts across Old Greenwich, with service agreements built around your operating hours.

  • Commercial refrigeration-adjacent HVAC support
  • Energy efficiency assessments for older buildings
  • Detailed service reporting and documentation

Our commercial techs are trained to work around your customers and staff, scheduling noisy or disruptive work outside peak hours whenever possible.

Affordable Hvac solutions in Old Greenwich, CT
Specialized

Seasonal Tune-Ups & Indoor Air Quality

Preventive maintenance is the cheapest repair you'll ever pay for, because it's the one that prevents the bigger bill. Beyond standard tune-ups, we also handle indoor air quality upgrades for homes with allergy or asthma concerns for Old Greenwich households that want more than just temperature control.

  • Seasonal tune-ups, spring and fall
  • Duct sealing and cleaning
  • Annual maintenance plans with priority scheduling

Maintenance plan members in Old Greenwich get scheduling reminders automatically, so tune-ups don't fall through the cracks during a busy season.

Top rated local Hvac specialists in Old Greenwich, CT
What We Promise

What Happens If Something's Not Right

This is the standard every Old Greenwich technician on our team is held to.

Repairs That Are Guaranteed

Details vary by job type and are always shared upfront, never buried in fine print.

Price Match Commitment

If a competitor's written quote for the same scope of work is genuinely lower, ask us about it.

Not Finished Until You Say So

Our office follows up after major repairs and installs to confirm everything is holding.

Don't Wait Until It Fails

What Old Greenwich Homeowners Should Watch For

A little attention to how your system is running can save you a lot of money and discomfort.

New Sounds From The Unit

Ignoring new noises is one of the fastest ways to turn a small repair into a major one.

Airflow That's Dropped Off

Weak airflow from the vents often traces back to a clogged filter, a failing blower motor, or leaking ductwork.

Rising Utility Bills

A tune-up often identifies exactly what's driving the extra energy use.

Frequent On-Off Cycling

This is one of the warning signs we recommend not waiting on.

Odors Coming From The Vents

A burning smell should never be ignored — it can indicate an electrical issue that needs immediate attention.

Frequent Repairs

Repeated repairs on an aging system are usually the clearest sign that replacement will save more money than another patch job.

What Sets Us Apart

Straightforward Service, Every Single Call

No Surprise Invoices

We explain diagnostic fees and repair estimates before authorizing work.

Real-Time Arrival Windows

Emergency calls get moved to the front of the line automatically.

We Stand Behind Every Repair

Parts and labor are backed by warranty terms explained in plain language.

Trained On The Systems We Install

Our techs recognize brand-specific quirks instead of learning your system on the job.

Clear Communication

Photos and plain-language notes accompany every diagnostic.

Flexible Options For Every Budget

Replacement systems don't have to be paid in one lump sum.

Reviews

Real Reviews From Real Old Greenwich Customers

Every review below reflects an actual service call in the Old Greenwich area.

★★★★★

"Our AC quit on the hottest weekend of the year and they had a tech out within a couple of hours. Fixed on the first visit and explained everything in terms I could actually understand."

Danielle R.
Homeowner in Old Greenwich

★★★★★

"Scheduled a fall tune-up and they caught a cracked part before it became a real problem. Techs are always polite, always on time, and clean up after themselves."

Robert K.
Old Greenwich resident

★★★★★

"Had a full system replacement done and it was the smoothest home project I've had in years. Followed up a week later just to check everything was still running fine."

Michael D.
Old Greenwich, CT

★★★★★

"Our restaurant's rooftop unit went down on a Friday night and they had someone out fast. Documentation for our records was thorough and easy to file."

Tony's Kitchen
Commercial client

★★★★★

"Got quotes from four different companies for a replacement and this was the only one that actually walked me through the load calculation. Would use them again without hesitation."

Dennis W.
Homeowner in Old Greenwich

★★★★★

"Diagnosed a failed capacitor and had it swapped within the hour. This is the company I'm saving in my phone now."

Omar F.
Homeowner in Old Greenwich

Why Systems Fail

The Most Common Causes Behind Our Service Calls

Understanding what typically fails helps homeowners know what to watch for and when a repair call is worth making before things get worse.

Dirty or Clogged FiltersWe check this first on nearly every service call
Refrigerant LeaksRequires a licensed technician to locate, repair, and properly recharge
Worn Start ComponentsCapacitors and contactors wear out from routine cycling and are a frequent cause of a system that won't start
Wiring IssuesSmart thermostat installs sometimes surface wiring incompatibilities that need professional correction
Seasonal Tips

What Old Greenwich Weather Does To Your Equipment

Old Greenwich's seasonal swings put real stress on a system that isn't maintained regularly. Before the heaviest cooling months hit, it's worth having the refrigerant charge checked, the condenser coils cleaned, and the filter replaced — all of which directly affect how hard the compressor has to work.

Keeping vents unblocked by furniture and rugs helps maintain even airflow throughout the home. None of this replaces a professional tune-up, but it does reduce the wear that leads to premature breakdowns between visits.

Brands & System Types

Brands & Equipment We Work On in Old Greenwich

Whether your Old Greenwich home has a traditional split system, a ductless mini-split, a heat pump, or a hybrid dual-fuel setup, our crews are equipped to diagnose and repair it. If your system was installed by a different company entirely, that's not a problem — we service equipment regardless of who originally put it in, and we'll pull the model and serial information to confirm parts compatibility before any repair begins.

Local Technicians

Meet The People Doing The Work

Every tech on our Old Greenwich roster goes through background checks, licensing verification, and ongoing manufacturer training.

Trusted Hvac service in Old Greenwich, CT - Leonard HVAC

Senior Install Specialist

Over a decade in residential heating and cooling, with a focus on load calculations and full system replacements.

Trusted Hvac service in Old Greenwich, CT - Leonard HVAC

Emergency Dispatch Technician

Known for fast, accurate diagnostics on no-heat and no-cool breakdowns.

Trusted Hvac service in Old Greenwich, CT - Leonard HVAC

Rooftop Unit Lead

Works directly with Old Greenwich property managers to schedule around business hours.

Common Questions

Frequently Asked Questions About Hvac in Old Greenwich

What's your typical response time in Old Greenwich?

Because our trucks are staged near Old Greenwich, average arrival windows run faster than what national chains typically offer.

How does your pricing work?

Yes — every job gets a clear quote before any repair work begins, so there are no surprise line items on the invoice.

Do you offer 24/7 emergency repair?

Yes, no-heat and no-cool situations are treated as priority calls regardless of the hour.

Do you carry insurance for work done in my home?

We maintain current credentials because it protects both our customers and our team.

How do I know if I need a repair or a full replacement?

As a general guideline, if a system is past 12-15 years old and facing a costly repair, replacement often makes more financial sense.

What does your maintenance plan include?

Yes, our maintenance plans include seasonal tune-ups, priority scheduling, and discounted repair rates for members.

How far do your technicians travel?

Our dispatch area extends throughout the greater Old Greenwich region and nearby towns within Old Greenwich, CT.

Can you service both residential and commercial systems?

Our commercial team handles rooftop units, multi-zone systems, and facility contracts alongside our standard residential repair work.

What brands and system types do you work on?

Our technicians are trained across the major residential and commercial equipment lines, not limited to a single manufacturer.

What if I can't pay for a new system all at once?

Ask about financing during your in-home estimate to see what fits your situation.

How often should I schedule maintenance in Old Greenwich?

Twice-yearly maintenance is the standard we recommend given the temperature swings the area sees.

What should I do while I'm waiting for a technician during an emergency?

Beyond basic safety checks, it's best to leave diagnosis to a licensed technician rather than attempting a repair yourself.

Will an emergency call cost more?

We'd rather quote it honestly on the phone than have you feel ambushed by the bill.

How long should I expect the visit to take?

Most standard repairs are completed in under two hours once the technician has diagnosed the issue and you've approved the quote.

Do I need to be home for a maintenance visit or repair in Old Greenwich?

For commercial accounts or rental properties, a designated point of contact or property manager can coordinate access instead.

Neighborhoods We Serve

Serving Every Corner of Old Greenwich

From the older, established streets near the center of Old Greenwich to the newer developments on the outskirts, our trucks cover the full footprint of the city.

If you manage several units or a shared system across a Old Greenwich property, ask about setting up a standing service account so every request gets handled under one consistent agreement.

Payment Options

Spreading Out The Cost Of A New System

Qualifying installations can be financed through options we'll walk you through during your in-home estimate, with terms explained clearly before you commit to anything. If a rebate or local incentive program applies to your Old Greenwich installation, our technicians will flag it during the estimate rather than leaving you to track it down after the fact.

Where We Work

Serving Old Greenwich And The Surrounding Area

Coverage extends across Old Greenwich proper and into the nearby zip codes listed below.

If you're on the edge of our listed zip codes, it's still worth a call, since routes and coverage get adjusted as demand shifts.

Coverage includes these zip codes near Old Greenwich: 06870 6870
Old Greenwich is an affluent coastal village in Fairfield County, Connecticut, United States. As of the 2010 census it had a population of 6,611.

Zip Codes in Old Greenwich, CT that we also serve: 06870 6870

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Our Services in Old Greenwich, CT

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