Restore Comfort With Dependable HVAC Service

Experienced technicians deliver responsive heating and cooling solutions for North Georgia homes.

Deliver Comfort With Efficient HVAC Systems

Backed by responsive service and practical guidance throughout

Knox Heating and Air provides residential HVAC services for homeowners across Cumming, Alpharetta, Roswell, and surrounding areas. North Georgia's hot, humid summers and colder winter periods create real demands on heating and cooling equipment, and system failures happen when you least expect them. You need a local provider who understands how seasonal shifts affect home comfort and responds when problems arise.


When your system stops working, you want to know what's wrong, how it'll be fixed, and what to expect next. Responsive technicians assess the situation, explain your options, and work to restore performance without adding confusion. Every repair, installation, or maintenance visit is handled with attention to how your system fits into daily life.


Knox Heating and Air focuses on practical solutions that keep HVAC systems running efficiently year-round. Whether you're facing an urgent breakdown or planning a replacement, the team works to deliver results that make sense for your home and budget.


Request a free quote or schedule your next service visit.

Maintain Reliable Systems Throughout Every Season
Practical service backed by clear answers and steady support for your home.

Residential HVAC Services

Comprehensive home comfort solutions tailored to keep your heating and cooling systems running efficiently year-round.

HVAC Replacements

Professional system upgrades that improve energy efficiency, reliability, and overall indoor comfort.

Heating Repairs

Experienced technicians diagnose system issues and restore heating and cooling performance quickly.

Air Conditioning Repairs

Prompt diagnostics and repairs to restore cooling performance and keep your space comfortable in warm conditions.

How HVAC Service Unfolds

Understanding what happens during an HVAC visit removes uncertainty and helps you prepare for what's ahead. From the moment you reach out, you'll receive straightforward answers about scheduling, service scope, and what the technician will do once they arrive. Each step is documented, and you're kept informed as the work progresses, so there are no surprises along the way.



Whether it's a diagnostic call, a system repair, or a planned installation, you'll know the timeline, the process, and what outcomes to expect. That level of coordination makes a real difference when you're managing a household and relying on heating or cooling to function properly.


Homeowners throughout Forsyth and surrounding counties benefit from service that prioritizes predictability and transparency, including:

Thorough diagnostics that identify the root cause of system issues before work begins

Detailed recommendations for repairs or replacements based on your system's age and condition

Preventative maintenance that extends equipment life and reduces the risk of costly breakdowns

Solutions tailored to the seasonal demands of North Georgia's climate and humidity levels

Thorough diagnostics that identify the root cause of system issues before work begins

Schedule a repair or book your preventative HVAC maintenance.

Built on Dependability and Local Experience

Knox Heating and Air serves homeowners who need more than a quick fix—they need a provider they can count on when comfort is on the line. The team brings local knowledge of how HVAC systems perform under regional conditions, and that familiarity shows in the quality of every installation and repair.



Professionalism means showing up prepared, doing the work right, and standing behind the results. It's about accountability, follow-through, and treating every home with the same level of care. That consistency builds trust over time, and it's what homeowners across the area have come to rely on.


Reach out to discuss your heating or cooling needs and get started with a free quote.

Proudly serving Commerce, GA and surrounding areas

  • Cumming, GA
  • Alpharetta, GA
  • Roswell, GA
  • Suwanee, GA
  • Dawsonville, GA
  • Canton, GA

Contact Knox Heating and Air Today!

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