Guardian Home will protect your HVAC investments

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HVAC Preventative Maintenance

Keep your HVAC repair costs down with regular maintenance.

Guardian Plans

Our Guardian Home Protection Plans from John’s Service and Sales is recommended for our customers to keep their HVAC systems working efficiently past their lifecycle. This is an HVAC preventive maintenance contract that includes a complete test and inspection of your HVAC system.


John’s Service and Sales makes it extremely convenient to sign up for a complete HVAC preventive maintenance plan. Our comprehensive HVAC preventative maintenance schedule offers full protection of your expensive HVAC equipment, so you aren’t ever surprised with unexpected repairs or replacements.

HVAC units are expensive.

Protect your investment with preventive maintenance from John’s Service and Sales.

Benefits to HVAC Preventative Maintenance

Your home appliances can benefit from preventive maintenance especially your heating, ventilation, and air conditioning units. The most common benefit of preventative maintenance for HVAC is that it increases the overall lifespan of your HVAC unit. If your HVAC unit is not cleaned regularly, it will become congested with dust, dirt, and grime and will eventually result in equipment breakdown. Once systems begin to break down, your heating and cooling equipment start consuming a higher amount of energy than they usually do in order keep performing correctly. This can escalate the cost of your energy consumption.


Other benefits of preventative maintenance for HVAC include:

  • Protection from the high costs of HVAC equipment replacement
  • Increase the lifespan of your HVAC unit
  • Save you the expense of replacement of HVAC equipment
  • Assist with saving the cost of energy consumption


Serving Clients Throughout Illinois And Beyond Since 1962.

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