The HVAC industry is supposed to provide comfort, economy, and longevity with all the systems installed.
What about a change in plans without notifying the HVAC contractor? Contractors are sometimes surprised by the homeowner when updates occur immediately after the HVAC is replaced. The customer changes windows, adds insulation, or adds floor space — or worse, the home is converted from a ventilated attic to conditioned space by insulating with foam at the rafter level. What just went wrong?