Has Anyone Ever Used Philadelphia Appliance, Air Conditioning And Heating Repair?

I am looking to have them come out and look at my dryer. I found them on the internet and want to know if anyone has ever used them and what their experience was. This is their website
http://www.philadelphiaappliancerepairs.com

Basic Question About Furnaces: Are They Related To Air Conditioning Systems Somehow Or Used Just For Heating?

THANKS.

Are There Any Buisness That Buy And Sell Used Heating And Air Conditioning Equipment?

if somebody pulled it out do you want it ? online auctions that shut down bizz will auction that stuff off but i wouldnt buy it. Look in papers to find used ac units.

Has Anyone Used Home Depot To Install A Heating And Cooling System?

Has anyone used Home Depot to install a heating and cooling system? If so, did you need ducts installed. Did you like their work? What was the approximate price? What is your sq. ft. of your home?