When my partner in addition to I built our new home, both of us hired a general supplier to help us with the planning, layout in addition to framework. The people I was with and I also hired licensed specialists to handle the electric, plumbing, heating in addition to cooling. The people I was with and I spent a great deal of time in addition to consideration on small details, such as the location of power outlets, style of water heater, in addition to type of heating in addition to cooling system. My partner in addition to I researched shower heads, toilets, oil furnaces, heat pumps, boilers in addition to a/cs. Fortunately, the electrician, plumber in addition to Heating, Ventilation and A/C supplier were honestly comprehension able in addition to helpful. Their recommendations ensured that both of us made smart choices in addition to invested in top quality equipment. The Heating, Ventilation and A/C supplier impressed upon us the importance of the design in addition to integrity of the duct system. She showed us examples of duct systems that were i respectfully installed, with all sorts of sharp bends in addition to lots of seams. In order for the oil furnace in addition to a/c to operate at peak efficiency, the duct idea needs to be streamlined. Any flaw in design can lead to the accumulation of debris within the system, leaks, in addition to restricted airflow, a poorly designed in addition to installed duct idea ends up costing a great deal of cash in higher energy bills. Plus, the added wear in addition to tear on the oil furnace in addition to a/c results in more frequent repairs in addition to premature failure. The people I was with and I also hoped to avoid bulky ducts taking up costly space in addition to detracting from the appearance of the home. The Heating, Ventilation and A/C supplier worked through a custom sheet metal shop to have ducts fabricated to perfectly meet our requirements. Now that our condo is complete, both of us are totally ecstatic with the efficiency in addition to operation of the heating in addition to cooling system.