Your New Furnace: Questions You'll Want Your Contractor to AnswerReplacing the furnace in your Phoenix or Scottsdale home is a big investment. You want to choose a system that’s good fit for your home, as your comfort will be dependent on the equipment for many years. Also, you want to work with an HVAC-system contractor who knows exactly what he’s doing. That may mean interviewing several prospective contractors and getting more than one quote. Here are some questions you should be prepared to ask any contractor before you replace your system.

  • How long has your company been in business? It’s generally a good idea to use a company that has been in business for at least 10 years.
  • Are you licensed, and what are your certifications? Are you willing to pull any needed permits?
  • Do you have a list of references?
  • What training do your technicians go through?

Once you’ve chosen a contractor, you’ll need to determine which equipment is best for your needs. Ask your contractor these questions:

  • Why have you recommended this particular system? What kind of efficiency does this system offer?
  • How did you size the system? Did you use the industry-standard sizing method, Manual J?
  • How long has this model been in production, and how many of these systems have you installed?
Other considerations will need to be factored in, as well. Here are some additional questions to put to your contractor:

  • What kind of ductwork modifications need to be made? After your contractor uses Manual J to size your new unit, he should use a Manual D calculation to determine the layout and size of your ductwork.
  • How will the new furnace be vented? If you are getting a high-efficiency furnace with sidewall venting, where will the vent be located? Find out before the furnace is installed, as you might want the vent in another spot.
  • Will the furnace be on a raised platform? Some basements and garages do get wet, and you might want to protect your furnace from moisture.
Another important element of the new equipment is its warranty. Ask these questions about future coverage:

  • How long are the equipment and labor covered?
  • What parts are covered?
Asking these questions of your furnace contractor will help you gain all the information you need to make smart decisions. Call Wolff Mechanical for assistance with your furnace replacement. We’ll see to it that you get the right system for your home and that you’re happy with it for many years to come.

Our goal is to help educate our customers in the Phoenix Valley area of Arizona about energy and home comfort issues (specific to HVAC systems). 

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