HVAC
A house is made up of many components, with many overlapping and at times even conflicting goals. Its most essential purpose is as a shelter from the elements. That means making it shed water and retain warmth (or cool) and in the modern day that means a properly functioning HVAC (heating, ventilation, and air conditioning) system. The HVAC system may well be the most complicated mechanical system in most modern houses. In our climate the HVAC system must heat the…