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Kennesaw HVAC Service, Repair & Installation Company

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Kennesaw HVAC Repair, Maintenance & Installation

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 Kennesaw, Georgia for over 50 years!

Heating

Furnace repair, maintenance and installation.

Our Heating Services

Cooling

Air Conditioning repair, maintenance, and installation.

Our Cooling Services

Geothermal

Sustainable geothermal heating and cooling systems.

Our Geothermal Services

Heat Pumps

Heat pumps for efficient heating and cooling.

Our Heat Pump Services

Mini Splits

Ducted or Ductless mini-split system installation and repair.

Our Mini Splits Services

Commercial HVAC

Commercial HVAC repair, maintenance and installation.

Our Commercial Services

Our Heating & Cooling Services in Kennesaw, GA

Professional HVAC Repair in Kennesaw, GA

When your HVAC system stops working, quick and dependable service is essential. If your furnace isn’t working properly, ALH offers a $99 HVAC diagnostic service that goes toward the cost of any work we do to repair your system.

Air Conditioning Repair

Gas & Electrical Furnace Repair

Heat Pump Repair

Air Handler Repair

Geothermal System Repair

HVAC System Diagnostics

Air Conditioning Repair

During hot Georgia summers, the last thing you want is a broken air conditioner. When you need it working fast, our ALH delivers expert air conditioning repair services for all HVAC makes and models.

Common signs your cooling system needs repair or maintenance include:

AC won’t turn on
AC is blowing warm air
AC fan not running
AC is not cooling below 75
AC smells musty
AC makes buzzing sound

No matter what the issue is, our Kennesaw heating and cooling technicians inspect and diagnose the problem to determine the right course of action.

Furnace & Heating Repair

There’s never a good time for your furnace to stop working — but when it does you can trust ALH to get it back up and running.

Some of the most common issues our Kennesaw HVAC customers report when their furnace needs repairing include:

Furnace is blowing cold air
Furnace won’t turn on
Furnace won’t ignite
Furnace runs constantly but can’t keep up
Furnace makes buzzing or gurgling sound
Furnace smells like gas or rotten eggs

Our licensed HVAC technicians work quickly to diagnose the issue and provide a recommendation on whether your furnace needs to be replaced or repaired.

HVAC Replacement & Installation in Kennesaw, GA

Count on the pros at Andy Lewis / Hobson for your HVAC installation needs. Our NATE-certified technicians help Kennesaw residents install new HVAC systems that keep homes and businesses comfortable all year. We bring over 50 years of experience to the table. Our proven commitment to customer satisfaction, one-year warranty on both parts and labor, and wide selection of high-quality systems set us apart.

Energy-Efficient AC Installation

Gas & Electric Furnace Installation

Ductless AC & Mini-Split Systems

Heat Pump & Air Handler Setup

Whole-Home Air Purifiers

Geothermal HVAC Solutions

Air Conditioning Installation

Is your cooling system on its last leg? ALH installs residential and commercial AC systems designed for maximum efficiency, cooling power, and long-term performance.

There are many reasons to replace your AC unit including:

AC is ~10-15 years old nearing the end of its lifespan
Major mechanical components have failed
Persistent leaks in evaporator/condenser coils
Existing system is oversized or undersized for your home
Declining performance and comfort
Poor efficiency and rising energy bills

Outside of new unit replacement or installation, our Kennesaw, GA HVAC company can also install smart thermostats and zoning systems for improved control, comfort, and efficiency.

Furnace & Heating Installation

Is it time for a new furnace? Our professional furnace replacement and installation services will help keep your home warm, safe, and energy-efficient.

Common scenarios leading to furnace replacement include:

System is ~15-20 years old at the end of its lifespan
Faulty heat exchanger, blower or inducer motors
Unit can’t keep up or reach a set temperature
Current unit is not properly sized for your home
Incentives, rebates and energy-efficient tax credits
Skyrocketing home energy bills during the winter

After evaluating your home’s heating needs, we assess load calculations, airflow and ductwork design to help you select a properly sized heating system.

HVAC Inspection & Maintenance in Kennesaw, GA

Routine HVAC maintenance helps your system last longer, lowers energy bills, and improves year-round performance. To ensure your heating and cooling system stays running smoothly ALH offers biannual HVAC inspection and maintenance plans starting at $174/year.

Seasonal Furnace & AC Maintenance

Heat Pump & Air Handler Adjustments

Air Filter Inspection & Replacement

Safety & Performance Testing

Thermostat Configuration

Condenser & Evaporator Coil Inspection

Air Conditioning Maintenance

Prevent sudden AC failures with our professional maintenance services. Our technicians clean, inspect, and optimize all major cooling components. Routine AC maintenance may include:

Checking Refrigerant Levels
Testing Fan Motors & Airflow
Cleaning Coils & Filters
Inspecting Electrical Connections
Lubricating Moving Parts
Calibrating Your Thermostat

Let ALH help extend the life of your HVAC system while improving your energy usage during the hot Georgia summers.

Furnace & Heating Maintenance

Keep your Kennesaw home comfortable throughout the cold winter months with ALH’s professional HVAC maintenance service. During our furnace maintenance appointments our technicians:

Inspect Burners & Ignition Systems
Test Carbon Monoxide Levels
Lubricate Moving Parts
Tighten Connections
Fine-Tune Thermostat Settings
Assess Air Filter Condition

Inspections allow us to spot problems early to help avoid breakdowns, extend the life of your unit, and improve your heating energy efficiency.

HVAC Repair

Professional HVAC Repair in Kennesaw, GA

Air Conditioning Repair

Gas & Electrical Furnace Repair

Heat Pump Repair

Air Handler Repair

Geothermal System Repair

HVAC System Diagnostics

Air Conditioning Repair

During hot Georgia summers, the last thing you want is a broken air conditioner. When you need it working fast, our ALH delivers expert air conditioning repair services for all HVAC makes and models.

Common signs your cooling system needs repair or maintenance include:

AC won’t turn on
AC is blowing warm air
AC fan not running
AC is not cooling below 75
AC smells musty
AC makes buzzing sound

No matter what the issue is, our Kennesaw heating and cooling technicians inspect and diagnose the problem to determine the right course of action.

Furnace & Heating Repair

There’s never a good time for your furnace to stop working — but when it does you can trust ALH to get it back up and running.

Some of the most common issues our Kennesaw HVAC customers report when their furnace needs repairing include:

Furnace is blowing cold air
Furnace won’t turn on
Furnace won’t ignite
Furnace runs constantly but can’t keep up
Furnace makes buzzing or gurgling sound
Furnace smells like gas or rotten eggs

Our licensed HVAC technicians work quickly to diagnose the issue and provide a recommendation on whether your furnace needs to be replaced or repaired.

HVAC Installation

HVAC Replacement & Installation in Kennesaw, GA

Energy-Efficient AC Installation

Gas & Electric Furnace Installation

Ductless AC & Mini-Split Systems

Heat Pump & Air Handler Setup

Whole-Home Air Purifiers

Geothermal HVAC Solutions

Air Conditioning Installation

Is your cooling system on its last leg? ALH installs residential and commercial AC systems designed for maximum efficiency, cooling power, and long-term performance.

There are many reasons to replace your AC unit including:

AC is ~10-15 years old nearing the end of its lifespan
Major mechanical components have failed
Persistent leaks in evaporator/condenser coils
Existing system is oversized or undersized for your home
Declining performance and comfort
Poor efficiency and rising energy bills

Outside of new unit replacement or installation, our Kennesaw, GA HVAC company can also install smart thermostats and zoning systems for improved control, comfort, and efficiency.

Furnace & Heating Installation

Is it time for a new furnace? Our professional furnace replacement and installation services will help keep your home warm, safe, and energy-efficient.

Common scenarios leading to furnace replacement include:

System is ~15-20 years old at the end of its lifespan
Faulty heat exchanger, blower or inducer motors
Unit can’t keep up or reach a set temperature
Current unit is not properly sized for your home
Incentives, rebates and energy-efficient tax credits
Skyrocketing home energy bills during the winter

After evaluating your home’s heating needs, we assess load calculations, airflow and ductwork design to help you select a properly sized heating system.

HVAC Maintenance

HVAC Inspection & Maintenance in Kennesaw, GA

Seasonal Furnace & AC Maintenance

Heat Pump & Air Handler Adjustments

Air Filter Inspection & Replacement

Safety & Performance Testing

Thermostat Configuration

Condenser & Evaporator Coil Inspection

Air Conditioning Maintenance

Prevent sudden AC failures with our professional maintenance services. Our technicians clean, inspect, and optimize all major cooling components. Routine AC maintenance may include:

Checking Refrigerant Levels
Testing Fan Motors & Airflow
Cleaning Coils & Filters
Inspecting Electrical Connections
Lubricating Moving Parts
Calibrating Your Thermostat

Let ALH help extend the life of your HVAC system while improving your energy usage during the hot Georgia summers.

Furnace & Heating Maintenance

Keep your Kennesaw home comfortable throughout the cold winter months with ALH’s professional HVAC maintenance service. During our furnace maintenance appointments our technicians: