Knight Air Conditioning and Heating Co.

Site Features
Pictures of Our Quality Installations
View our workmanship

Duct systems are important

For over three decades Knight Air Conditioning and Heating Company has delivered prompt, professional heating and air conditioning service to the neighborhoods of northeast metropolitan Atlanta.  We are a privately owned company, totally focused on and dedicated to the heating and air conditioning needs of home and business owners in our service area.

Knight Air Conditioning and Heating Company provides:

  • Service for Residential and Commercial Systems;
  • Residential and Commercial Systems for new construction;
  • Replacement Residential  and Commercial Systems;
  • HVAC system accessories; humidifiers, air cleaners, programmable thermostats and zoning systems;
  • Redesign and replacement of problem duct systems

Knight AC Main Showroom Our 10,000-square-foot facility is home to our friendly support staff, showroom, parts and equipment inventory, and production area. 

These resources assure that every aspect of your service call or installation will be completed in a professional and timely manner. logo NATE (North American Technician Excellence) certified service technicians promptly diagnose and correct problems utilizing industry best practices techniques and up-to-date diagnostic equipment.


Our service technicians are trained in factory schools and in weekly schools at our training facility.  Service vans are equipped with state of the art tools and are well stocked with frequently used parts to assure prompt repair of your system.

We service all brands.

Knight Air Conditioning and Heating Company is fully licensed and insured.

Customer Assurance Pricing
With Knight’s Customer Assurance pricing you are quoted a guaranteed price before repairs are made.  All repairs are guaranteed for one year from date of repair.

REDI Preventative Maintenance
We can keep your system operating at maximum efficiency with our REDI Maintenance program, which provides two tune-ups per year.  REDI customers also earn discounts on various services and high efficiency filter media. More about REDI...

Hours of Service
Regular business hours are 8:00 A. M. to 5:00 P.M. with
emergency service available 24 hours a day, every day.

Call 770 979-2211 today for service you will want to tell your friends about!

CAAG - Conditioned Air Association of Georgia

View our Better Business Bureau Reliability Report

Our desire to provide the best possible service experience is best expressed in Our Mission Statement:

“To provide our customers the best possible service and highest quality installations, in a manner that will encourage them to recommend us to others.”

778 Petty Road, Lawrenceville, GA 30043
770-979-2211 ♦ 770-979-9301 FAX
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Knight Air Conditioning and Heating

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