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Heating & Air Conditioning Services

  • Quality & Reliability since 1991
  • Residential & Light Commercial
  • We Service all Brands
  • New Construction, Design & Installation
  • Load Calculations & Duct Design

Authorized Dealer & Warranty Service for:



  • Mitsubishi Electric



Schniederjan Signature Quality

  • Locally Owned & Operated
  • Based out of Muenster, Texas


  • Cooke County
  • Grayson County
  • Denton County
  • Montague County

  • Normal Hours M-F 8am-5pm
  • Emergency Service Available 24/7

Adam Schniederjan Air Conditioning, Inc. is a locally owned and operated HVAC company located in Muenster, TX. Since 1991, we have been providing quality and reliable HVAC service throughout Cooke County, Grayson County, Denton County and Montague County. Our service offerings are everything HVAC. Our priority is serving all of your residential and/or light commercial air conditioning and heating needs. This includes air conditioning, heating, ventilation, air filtration system repair, maintenance, installation and replacement. We also provide emergency HVAC services. Our mission is to make your HVAC system repair both accessible and affordable.

Authorized Warranty & Dealer for:

Schniederjan Siqnature Quality & Reliability

Always a fast and courteous response. Excellent service. Trustworthy.

- Julia Whitcraft

Adam Schniederjan AC provided exceptional service. Adam is very thorough with his analysis of your needs and provides a variety of options depending upon your preferences. He was always timely, courteous, and provided excellent service. We had a new system installed and it is working beautifully.

- Sonya Block

Not only was Adam prompt the service was outstanding.

- Bill Shortnacy

Excellent installation experience! Would recommend Adam Schniederjan Air Conditioning Inc for your installation and service!

- Cliff Sicking