Winter HVAC Maintenance: Frequently Asked Questions

If you own a home, you will probably be calling an HVAC service sooner than later. From annual maintenance to unexpected repairs, keeping an HVAC system in great condition requires professional help. But knowing when to call for that help – and knowing which service to call – can be a challenge. If you are new to home or building ownership, the answers below can inform your HVAC maintenance decisions.

What is the best way to choose a reliable HVAC service?

There are several things that define a reliable HVAC service, the most important of which are:

  • HVAC certification
  • At least two years in the HVAC business at the same address
  • A good record at the Better Business Bureau (BBB)
  • Proof of bonding and insurance
  • Strong customer references
  • NATE (North American Technician Excellence) certified technicians

An HVAC service with these qualifications can be relied on to perform excellent work.

What are the signs that an HVAC service is not professional?

Non-professional HVAC services often exhibit one or more of the following traits:

  • Cold calling potential customers
  • Going door to door in search of work
  • Offering repair services but not installation services
  • Proposing work without performing inspections
  • No physical business address
  • No proof of bonding or insurance

Some non-professional HVAC services offer low rates. But hiring them could result in expensive damage to your heating system.

How do I know when my furnace should be repaired instead of replaced?

Eventually, a heating and air conditioning system must be replaced instead of repaired. A furnace that should be replaced often has the following traits:

  • 20-25 years old
  • Poor energy efficiency
  • Keeps malfunctioning in spite of repairs
  • Produces insufficient heat or too much heat
  • Badly rusted due to moist environment
  • Considered “legacy equipment” by today’s standards

Many homeowners believe that repairing a furnace is more cost effective than replacing it. But when repairs are needed frequently, the opposite is often true.

What are some problems that indicate a furnace should be repaired?

In general, the following problems call for a furnace to be repaired, not replaced:

  • Malfunctioning thermostat
  • Malfunctioning pilot light
  • Broken high-stress parts such as fan belts
  • Damaged heating coils
  • Malfunctioning fan limit control switch
  • Malfunctioning thermocouple

In some instances, these problems occur as a result a furnace’s overall deterioration, in which case it should be replaced.

What types of furnace maintenance should be performed annually?

Each year, a furnace should have a tune-up that consists of the following measures, as applicable:

  • Safety control inspection
  • Flue inspection
  • Electrical component inspection
  • Blower component inspection
  • Fan belt inspection
  • Distribution fan test
  • Parts lubrication
  • Air filter replacement
  • Heat exchanger inspection
  • Burner inspection
  • Gas pressure check
  • Gas line inspection
  • Pilot light test

Bardi Heating & Air Conditioning can perform these measures and have your furnace ready for winter.

Call Bardi Today

With winter around the corner, you need a reliable HVAC company to inspect your heating system. At Bardi Heating and Air Conditioning, our NATE certified technicians specialize in residential heating and cooling, and are ready to meet your needs. Call us today to learn more about the best service options for your home’s HVAC system.


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