Regular HVAC maintenance is said to reduce the risk of costly breakdowns by as much as 95%. …

Cut energy bills: Preventive maintenance helps ensure that your HVAC system runs at close to peak efficiency. This can mean savings of up to 30% on your energy bill, according to the U.S. Department of Energy.

While most HVAC units will need repair at some point, having your units maintained on a regular basis will help keep them running smooth during peak times which equals less emergency repairs.  Most maintenance plans include a check up which will help detect any problems instead of waiting for something to break then calling someone in to fix it.  Your unit will also run more efficiently is it is well maintained which translates into more money in your pocket and not to your utility company.