According to the U.S. Department of Energy (DOE) estimates, how much energy is lost through leaky ductwork in a typical ducted HVAC system?
As much as 10 percent
As much as 20 percent
As much as 30 percent
About 50 percent
For which types of buildings does ductless make sense?
Residential new construction projects
Commercial new construction projects
Existing buildings with zonal electric heat or hot water with no ductwork
All of the above
What types of wire/cable are acceptable for use in wiring ductless mini-split systems?
SJO or equivalent temporary cable as long as they are protected with conduit
EZ-Inô Mini-Split Cable, a moisture, sunlight resistant, PVC Jacket that is applied over metal armor
Tray Cable without protection from conduit or NEC approved ìRacewaysî
UF Cables without protections from conduit or NEC approved ìRacewaysî
All of the above
What are the benefits of shielded mini-split cable?
Stronger structurally
More flexible
Protects nearby communication wires from electrical interference
Makes the cable liquid tight
What characteristics must mini-split cable possess?
Moisture (direct burial) and sunlight resistant
Solid conductor and plenum rated
All of the above
None of the above