McDonnell Air Conditioning is a privately owned Australian Company. Established in 2001, we have grown into one of our industries most reliable & respected companies. McDonnell Air Condition have the skill & capability for all your air conditioning & ventilation requirements. We have a broad customer base and serve the local area, Sydney CBD, the Greater Metropolitan area of Sydney, Country NSW and at times Australia wide.
OUR VISION – To maintain a professional team committed to a standard of excellence and maintaining quality workmanship by industry training & keeping up to date with the latest innovations & technology. Build long standing relationships with our clients through reliability, honesty, quality and excellence in our work