Central air repair costs vary with regards to the cost of the aspect(s) that should be replaced and the volume of hours it takes to repair. Here's popular air conditioner troubles and the typical HVAC service costs billed by experts. Repairing an AC expansion valve is pretty cheap according to http://heating-and-cooling08068.affiliatblogger.com/45203730/heating-and-air-conditioning-repair-things-to-know-before-you-buy