Are maintenance plans a good idea for HVAC systems?

Are maintenance plans a good idea for HVAC systems?

Regular inspections help improve efficiency by discovering minor errors before they become serious problems. For example, a $50-$100 inspection can save you from having to spend $500 or more on a repair. Well-maintained systems extend air condenser and furnace...
Why ask HVAC if they are licensed and insured? 

Why ask HVAC if they are licensed and insured? 

HVAC contractors are usually needed by law to be licensed in order to work in a specific location. Checking for a license assures that they are legally qualified to undertake HVAC work.Licensing also implies that the contractor has received particular training and has...