{I Use a Heil product number PH5036AKB4 ac/heat device my trouble is that it's going to run fine on heat no issues at all but on air it's going to blow neat air for around thirty mins if I'm Fortunate and then it just stops blowing after which u really need to Minimize it off and watch for it to choose to work once more which may get any in which from the handful of several hours to 2 or 3 times be sure to assistance it is so very hot and I've bronchial asthma what am i able to do to fix it Many thanks a lot  Reply:<br><br>Should your air conditioner or heat pump method isn't Operating, begin at Missing COOLING Ability for help in diagnosing and repairing the trouble.<br><br>An air handler and blower device which delivers a fan to blow creating air across or in the evaporator coil.<br><br>Ventilation   A big ventilation choice of filter grills, air return grills and sidewall registers from J&R and Lima Register<br><br>{So have your contractor do a load calculation according to a identified method, including Handbook J from the ACCA. The c <a href="waiting for link from Web 2.0 Blogs (10)">http://www.lairdandson.com</a>