I spent over 4000 dollars for a new air conditioning unit which included new duct work. Happy with the installation.The work was performed last June.In May of this year I called Air Tech four times to have a routine service inspection. No one returned my call.Recently I called again on two occasions. Again no return call. I asked the person that answered my call if Air Tech was still in business. She told me that the company was still in business.I guess spending 4000 dollars does not merit a courtesy call back!What a terrible way to conduct business!Take the money and run must be this companies mantra. Dont do business with them!!!