A. Depends, generally a complete system takes less than an 8 hrs. *Based on what you're replacing it with and how many u/g's are needed to bring to current code.
A. No, not necessarily. Soley depends on your floor plan/square ft and then of course, the heat load of your home.
A. Generally about 10yrs. Possibly much more, depending on regular maintenance/servicing your system.
A. Yes, We look for the Best HVAC systems on the market, that has with longest possible warranties, parts availability, energy efficiency for the money. Then we work harder to get the best possible price, to save you even more money. Our min labor warranty is 30 days and can go up to a maximum of 10yr depending on what it is.
A. There is no real "Best Brand" it really all depends on your budget; we will do our very best to get you the best/longest trouble-free system w/ warranty, Product out there while staying in your budget.