Licensed & Insured Hvac in Marietta, GA

Hvac You Can Actually Count On in Marietta

No overselling, no guesswork — just a Hvac crew that diagnoses it right the first time. Priority scheduling available across Marietta and the surrounding zip codes.

✓ Licensed & Bonded
✓ Answered Around The Clock
✓ No Hidden Fees
72°
Set & Ready
Professional Hvac technician working in Marietta, GA
24/7Dispatch Availability
PriorityResponse Target in Marietta
Neighborhood-TrustedLocal Reputation
100%Satisfaction Backed
What Happens After You Call

Three Steps From Broken To Fixed

1. Talk To Our Dispatch Team

No automated menus for emergencies — a real person handles the call.

2. Get A Clear Number Before Anything Starts

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

3. Job Finished, Then Checked Again

Warranty details are explained clearly so you know exactly what's covered going forward.

Who We Are

A Local Hvac Crew Built for Marietta's Climate

Leonard HVAC grew one honest service call at a time in communities like Marietta. 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 Marietta — we're the company that tells you what actually needs fixing instead of what pads the ticket. We carry the credentials Marietta inspectors and property managers expect to see, and we keep that documentation available on request for every job, big or small.

We know which neighborhoods run on older ductwork and which subdivisions were built with newer high-efficiency systems. 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.

Ask around Marietta and you'll hear the same complaint about a lot of HVAC companies. 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 Marietta is a small enough community that reputation travels fast.

Our office team is based locally too, not routed through an out-of-state call center that's never seen a Marietta rooftop unit. It also means faster escalation when something's urgent — a local dispatcher can reroute the nearest truck in minutes, not hours.

Fully BondedVerified credentials on every job
Always On CallReal humans answer, not a voicemail loop
No Surprise FeesWhat we quote is what you pay
Nearby TechniciansFaster arrival because we're already nearby
Our Services

Complete Hvac Coverage for Marietta Homes & Businesses

Whether it's a mid-summer breakdown or a planned system replacement, our Marietta 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 Marietta dispatch team prioritizes no-heat and no-cooling calls so a technician is diagnosing your system as fast as physically possible.

  • After-hours and weekend dispatch
  • Electrical and control board diagnostics
  • Transparent emergency pricing before work begins

If a specialty part genuinely does need to be ordered, we'll set up a safe temporary fix and give you a real timeline instead of leaving you guessing.

24/7 Emergency Hvac experts in Marietta, GA
Home Comfort

Home Heating & Cooling System Upgrades

If your unit is past its expected service life, running loud, or spiking your utility bill, a replacement conversation is worth having. We walk Marietta homeowners through load calculations so the new system is sized correctly for the actual square footage before a single piece of equipment gets ordered.

  • Ductless mini-split installation
  • Manual J load calculations, not rough guesses
  • Manufacturer warranty registration handled for you

Every install ends with a performance test, confirming airflow, temperature split, and refrigerant charge are all where they should be before we consider the job finished.

Reliable Hvac contractor in Marietta, GA by Leonard HVAC
Facilities

Commercial Hvac Service

Downtime in a commercial space costs money every hour a system is offline. Our commercial division services multi-zone commercial buildouts across Marietta, with service agreements built around your operating hours.

  • Rooftop unit repair and replacement
  • Scheduled after-hours service windows
  • Detailed service reporting and documentation

We understand that a commercial call isn't just about comfort, it's about keeping a business open.

Affordable Hvac solutions in Marietta, GA
Specialized

Maintenance Plans & Specialty Repairs

Most emergency breakdowns start as a small, ignorable warning sign months earlier. Beyond standard tune-ups, we also handle indoor air quality upgrades for homes with allergy or asthma concerns for Marietta households that want more than just temperature control.

  • Filter, coil, and refrigerant level checks
  • UV light and filtration system installs
  • Annual maintenance plans with priority scheduling

A tune-up typically takes under an hour and covers the checkpoints most likely to catch a problem before it becomes a breakdown.

Top rated local Hvac specialists in Marietta, GA
What We Promise

The Leonard HVAC Guarantee

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

Workmanship Warranty

If the same issue returns within the warranty period, we come back and fix it at no additional labor cost.

Price Match Commitment

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

Satisfaction Follow-Up

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

What To Watch For

What Marietta Homeowners Should Watch For

Most breakdowns don't happen without warning — they announce themselves for weeks before the system actually quits.

Banging, Clicking, or Grinding Sounds

A healthy system runs with a consistent, low hum — banging, screeching, or grinding usually points to a loose part or failing motor.

Airflow That's Dropped Off

If some rooms stay hot or cold no matter what the thermostat says, the system may be struggling to distribute air evenly.

Energy Costs Climbing With No Explanation

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

Frequent On-Off Cycling

Short cycling puts extra wear on the compressor and shortens the system's overall lifespan.

Strange Odors

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

You've Called For The Same Issue Twice

If you're calling about the same problem every few months, the underlying cause likely hasn't been fully addressed.

Why Marietta Picks Leonard HVAC

Straightforward Service, Every Single Call

Upfront, Flat-Rate Pricing

We explain diagnostic fees and repair estimates before authorizing work.

Real-Time Arrival Windows

Because our trucks are stationed near Marietta, we're rarely far from your address.

Warrantied Workmanship

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

Licensed, Background-Checked Techs

We run background checks because you're letting someone into your home.

No Jargon, No Runaround

We explain what failed, why it failed, and what the options are.

Financing & Maintenance Plans

Maintenance plan members get priority scheduling and discounted rates.

What Marietta Says

Reviews From Around Marietta

A snapshot of the feedback that keeps us accountable.

★★★★★

"Our AC quit on the hottest weekend of the year and they had a tech out within a couple of hours. No pressure to buy a whole new system when a repair was all we needed."

Marcus T.
Marietta, GA

★★★★★

"Scheduled a fall tune-up and they caught a cracked part before it became a real problem. Never once felt like I was being upsold on something I didn't need."

Angela M.
Marietta resident

★★★★★

"Explained the sizing calculation so I understood why they weren't just installing the same unit again. Followed up a week later just to check everything was still running fine."

Karen L.
Marietta resident

★★★★★

"As a property manager, having a company that actually answers after-hours calls is rare. Kept our kitchen running through the weekend rush."

Marietta Property Group
Marietta business

★★★★★

"I appreciated that they didn't try to sell me a bigger unit than I needed. My energy bill dropped noticeably the first month with the new system."

Dennis W.
Marietta, GA

★★★★★

"Diagnosed a failed capacitor and had it swapped within the hour. No overnight surcharge shock — the price matched what dispatch quoted me on the phone."

Christine V.
Marietta, GA

Common Causes

What's Usually Behind A Breakdown

None of these are unusual or embarrassing — they're just the normal wear and tear that comes with running a system through Marietta's seasonal swings.

Airflow RestrictionA filter left too long forces the system to work harder and shortens component lifespan
Low Refrigerant ChargeRequires 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

Seasonal Hvac Tips for Marietta Homeowners

Marietta'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.

Simple habits between professional visits also matter. None of this replaces a professional tune-up, but it does reduce the wear that leads to premature breakdowns between visits.

Brands & System Types

Not Limited To One Manufacturer

Whether your Marietta 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.

Who's Coming To Your Door

Licensed Techs, Not Anonymous Contractors

Here's a look at the kind of experience that shows up at your door.

Trusted Hvac service in Marietta, GA - Leonard HVAC

Comfort Systems Lead

Handles the majority of Marietta installs and specializes in properly sizing equipment for older housing stock.

Trusted Hvac service in Marietta, GA - Leonard HVAC

24/7 Response Lead

Runs point on overnight and weekend emergency calls throughout Marietta.

Trusted Hvac service in Marietta, GA - Leonard HVAC

Commercial Systems Technician

Experienced with the light industrial and retail equipment common across the area.

Before You Call

Questions Marietta Customers Ask Us Most

What's your typical response time in Marietta?

Standard appointments are usually scheduled within 24-48 hours, while true emergencies jump the queue.

How does your pricing work?

Our policy is simple: you approve the number before we touch the system.

What emergency Hvac services are available in Marietta?

Our emergency line runs 24 hours a day, including nights, weekends, and holidays.

Are your technicians licensed and insured?

Every technician we send is licensed in accordance with Marietta, GA requirements and carries full liability coverage.

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

We never push a replacement when a straightforward repair will genuinely solve the problem.

What does your maintenance plan include?

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

Do you service the zip codes near Marietta?

We cover Marietta and the surrounding communities, including the zip codes listed in our coverage section below.

Are you equipped for commercial rooftop units?

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

Can you work on a system installed by another company?

If parts require special ordering for a less common brand, we'll communicate that timeline upfront.

Can I finance a full HVAC replacement?

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

How often should I schedule maintenance in Marietta?

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

Is there anything I can check myself before you arrive?

Check that the thermostat has power and the batteries aren't dead, and check your breaker panel for a tripped switch before calling.

Will an emergency call cost more?

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

What's the average time on-site for a service call?

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 Marietta?

For most residential visits, yes, an adult should be present to grant access and approve any quoted work.

Local Coverage

Wherever You Are In Marietta, We're Close By

From the older, established streets near the center of Marietta 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 Marietta property, ask about setting up a standing service account so every request gets handled under one consistent agreement.

Making A Replacement Affordable

Spreading Out The Cost Of A New System

We accept standard payment methods for repairs and smaller jobs, and we'll always tell you upfront what a given service is likely to cost so there's no last-minute scramble to figure out payment. If a rebate or local incentive program applies to your Marietta installation, our technicians will flag it during the estimate rather than leaving you to track it down after the fact.

Service Coverage

Serving Marietta And The Surrounding Area

If your address falls within Marietta, GA and near Marietta, there's a strong chance we already service your street.

Property managers with multiple Marietta addresses can consolidate everything under one account for simpler scheduling and consistent pricing across every location.

Zip codes served in and around Marietta: 30090 30060 30062 30064 30067 30008 30006 30007 30066 30068 30065 30063 30061 30069
Marietta is a city in and the county seat of Cobb County, Georgia, United States. At the 2020 census, the city had a population of 60,972. The 2019 estimate was 60,867, making it one of Atlanta's largest suburbs. Marietta is the fourth largest of the principal cities by population of the Atlanta metropolitan area.

Zip Codes in Marietta, GA that we also serve: 30090 30060 30062 30064 30067 30008 30006 30007 30066 30068 30065 30063 30061 30069

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Our Services in Marietta, GA

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