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AC Replacement

Air Conditioning REPLACEMENT in DeKalb and Surrounding Areas

If your cooling system is struggling to keep your home comfortable or repair costs are starting to add up, it may be time for a replacement. KM Heating and Cooling, powered by DeKalb Mechanical, provides expert air conditioner replacement services for homeowners in DeKalb, DeKalb County, and nearby communities.

Our team helps homeowners choose high-efficiency systems that deliver reliable cooling, quiet operation, and long-term energy savings. As an Authorized Carrier Dealer, we offer top-quality Carrier air conditioners known for their performance, durability, and advanced features.

HVAC technician testing air conditioner performance during replacement service

Beat the heat before it beats you

Professional HVAC technician inspecting AC system for replacement in DeKalb home

Air Conditioning REPLACEMENT Services

  • Expert system evaluation and replacement recommendations
  • Carrier AC selection and professional installation
  • Load calculations and proper system sizing
  • Removal and disposal of your old unit
  • Post-installation testing and homeowner support

It’s not always obvious whether your air conditioner needs a repair, a new filter, or a full system replacement. That’s why we start with a full evaluation of your system and talk through your comfort concerns. We’ll explain your options clearly and help you choose the right path forward, without any pressure.

AC trouble? We bring the chill

Signs You May Need an Air Conditioner Replaced

  • Signs You May Need an Air Conditioner Replacement
  • Your system is more than 12–15 years old
  • Frequent repairs are becoming costly
  • Uneven cooling or hot spots in your home
  • Rising energy bills without increased usage
  • Excessive noise, leaks, or unusual odors during operation

Don’t let a broken AC ruin your comfort. Our expert technicians are ready to diagnose and repair your system quickly, so you can get back to enjoying cool, refreshing air. Contact us today to schedule your AC repair and stay comfortable all season long.

Contact Us
Dave from KM heating and cooling inspecting a unit for AC replacement at a residential home.

Benefits of AC Service

  • Keeps your system running efficiently and reliably
  • Improves cooling performance and airflow
  • Protects your warranty with documented professional care
  • Helps lower energy bills with routine maintenance
  • Extends the lifespan of your air conditioner
  • Reduces the risk of unexpected breakdowns