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|Business Categories||HVAC in Carrollton, TX|
The question is great for some industries and non-applicable for others. A general contractor, for example, will by definition employ subcontractors. Most Carrollton HVAC companies do not, but there are exceptions. You should always ask this question to your service providers. If they do use subcontractors, ask if they're all licensed and insured independently.
Always ask for references, and always check them. Keep in mind though that the only references you'll get are people who the contractor is certain will give him a good review. You'd also be well advised to check online review sources in Carrollton as well, which will give you a broader view of customer satisfaction for a given company.
These first two questions should only relate to services or good purchased directly from the service provider. Many products carry their own warranties, like roofing shingles or siding. It's useful to know what these warranties cover as well as how long they last. The "warranty agent" question is important, because often warranty agents work with the manufacturer to get you repairs under warranty at a much lower price.
Many jobs in Texas will require municipal permits in order to be approved by the town's inspector. It's always good to ask who will be responsible for pulling those permits, and if you'll be expected to do it. You'll almost never be told to pull your own, but knowing that Carrollton HVAC permits are required makes you appear to be a well informed customer.