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HVAC Service, Repair & Installation in Marietta, GA

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Dependable HVAC Services in Marietta, GA

Whenever your heating or cooling system stops working, you want it fixed fast. At Andy Lewis / Hobson Heating & Air, we get you back to comfort quickly. We have been providing HVAC services to the residents and businesses of Marietta, Georgia for over 50 years!

Heating

Furnace repair, maintenance and installation.

Our Heating Services

Cooling

AC repair, maintenance, and installation.

Our Cooling Services

Geothermal

Geothermal heating and cooling systems.

Our Geothermal Services

Heat Pumps

Heat pumps for efficient heating and cooling.

Our Heat Pump Services

Mini Splits

Mini-split system installation and repair.

Our Mini Splits Services

Commercial HVAC

Commercial HVAC repair and installation.

Our Commercial Services

Our Heating & Cooling Services in Marietta, GA

Expert HVAC Repair in Marietta, GA

When your HVAC system stops working, you need quick, dependable service. Our experienced technicians use advanced diagnostic equipment to identify issues across all HVAC types, restoring comfort to your home as efficiently as possible.

AC Repair & Diagnostics

Gas & Electric Furnace Repair

Heat Pump Repair

Air Handler Repair

Geothermal System Repair

HVAC System Diagnostics

Air Conditioning Repair

Whether your AC needs a simple adjustment or a more in-depth repair, our NATE-certified technicians work to ensure your cooling system runs at peak performance. During your service appointment, we will:

Inspect Refrigerant Levels
Detect Leaks
Repair Electrical Components
Evaluate Ductwork & Airflow
Calibrate Thermostats

After the diagnostic process, we’ll share clear recommendations to enhance performance and prevent future breakdowns. Our Marietta AC repair services help your system stay reliable even through north Georgia’s hottest summers.

Furnace & Heating Repair

Our mission is to keep your furnace operating safely, efficiently, and consistently so your home stays warm through the winter. During your heating repair service, our technicians will:

Assess Ductwork Integrity
Optimize Airflow
Fine-Tune Thermostat Settings
Maximize System Efficiency & Comfort

If your furnace isn’t performing as it should, our team examines all key components, such as the burners, ignition system, and heat exchanger, to identify problems early. We also look for duct leaks, conduct carbon monoxide testing, and verify that your thermostat is set up correctly for efficient heating.

Expert HVAC Installation in Marietta, GA

With decades of industry experience, Andy Lewis / Hobson provides a hassle-free HVAC installation process from start to finish. We help you select the right system for your home, complete the installation with precision, and support our work with strong warranties for lasting peace of mind.

Energy-Efficient AC Installation

Gas & Electric Furnace Setup

Ductless AC & Mini-Split Systems

Heat Pump & Air Handler Installation

Whole-Home Air Purifiers

Geothermal HVAC Options

Air Conditioning Installation

We install AC systems designed for long-term performance, efficiency, and comfort. Through detailed assessments and post-installation testing, we ensure your new unit delivers top-tier cooling.

To recommend the right system for your home, we evaluate:

Insulation
Ductwork
Your Home’s Cooling Needs

We can also install smart thermostats and zoning systems to give you more control over your indoor comfort.

Furnace & Heating Installation

Our team provides dependable furnace installations that keep your Marietta, Georgia home warm and safe throughout the winter. Once we review your heating needs, we recommend the best unit and fine-tune it for top performance. Each system installation includes a thorough inspection for long-term efficiency. Our technicians can:

Test for Optimum Airflow Distribution
Prioritize Ductwork Sealing
Conduct Heat Load Calculations
Install Smart Thermostats
Leverage Advanced Zoning Options

We can also perform duct sealing, offer energy-saving recommendations, and provide smart home upgrades for improved comfort and lower utility bills.

Expert HVAC Maintenance in Marietta, GA

Consistent HVAC maintenance helps extend equipment lifespan, reduce energy usage, and maintain smooth performance all year long. Our team performs detailed inspections, cleans vital parts, and makes adjustments to ensure your system runs efficiently in every season.

Seasonal AC & Furnace Maintenance

Heat Pump & Air Handler Tune-Ups

System Efficiency Optimization

Preventative Repairs & Inspections

Air Conditioning Maintenance

Prevent breakdowns and costly repairs with our comprehensive AC maintenance plans. Our trained technicians clean, inspect, and adjust system components to maximize cooling efficiency and indoor comfort. With over 50 years of experience, we understand what AC systems need to stay reliable. Routine maintenance may include:

Our team will:

Check Refrigerant Levels, Airflow, & Thermostat
Clean Coils & Filters
Inspect Electrical Connections
Lubricate Moving Parts
Test Fan Motors

Our plans also include airflow improvements, filter replacements, and critical safety checks to keep your AC running smoothly and extend system lifespan.

Furnace & Heating Maintenance

Keep your Marietta home or business warm and safe with thorough annual furnace maintenance. During each residential heating tune-up, our technicians will:

Review Burners, Ignition Systems, & Carbon Monoxide Levels
Lubricate Moving Parts
Tighten Connections

These preventive steps help reduce the risk of winter breakdowns and improve overall heating efficiency.

Expert HVAC Inspections in Marietta, GA

Routine HVAC inspections are one of the best ways to avoid expensive repairs and keep your system operating efficiently. Our trained specialists examine all critical components to detect issues early and ensure long-term reliability.

AC & Furnace System Evaluations

Safety & Performance Testing

Heat Pump & Air Handler Checks

Geothermal System Reviews

Air Conditioning Inspection

Our AC inspections provide a complete evaluation of your cooling system to help you prevent repairs and improve overall performance. During an inspection, we check:

Refrigerant Levels
Thermostat Settings
Airflow
Electrical Connections
Condensate Drains
Evaporator & Condenser Coils
Overall System Cycling

We focus on increasing efficiency, minimizing wear, and addressing any issues specific to your home’s cooling system.

Furnace & Heating Inspection

A full furnace inspection helps ensure safe and reliable heating throughout the colder months. During this service, our licensed technicians test:

Burners
Ignition Systems
Furnace Gas Connections
Thermostat Performance
Ventilation Pathways

Afterward, you’ll receive a detailed diagnostic report along with maintenance recommendations. We also test for carbon monoxide, inspect blower motors, and evaluate flame sensors to ensure safety and dependable performance all winter long.

HVAC Repair