The perfect 'do it yourself ' HVAC system: a complete propane heat/air conditioning unit in a single package. This was a unit we had installed in our home. The unit had a glitch after about 10 months. The young installer was unable to diagnose the problem after numerous tries. Fortunately, the distributor sent out a regional rep with a seasoned installation tech.
Solving 'this problem' gave us time to think ..and even though the furnace and A/C work perfectly, if you look at the complete heating nezam dherma khel bannu
