HVAC Problems Found During Home Inspections

March 08, 2018

furnace cover

The heating and cooling system is one of the most important systems in a home, which is why the home inspection may include a detailed exam of this equipment. How well a heating and cooling system is taken care of is often indicative of how well the entire home has been maintained.

These are the most common HVAC problems found during home inspections:

  • Filters: If filters aren't changed regularly, air flow can become blocked, causing problems with heating and cooling functions.

  • Leaks: Any leak can be a precursor to a larger problem, like a cracked heat exchanger. The heat exchanger converts fuel to heat and if it's broken, it can release dangerous gas into the air. A leak in the cooling system can allow the escape of refrigerant or gas and can be potentially dangerous.

  • Exhaust flue: This is a vent for the exhaust byproducts to be moved out of the house and released outside. The exhaust flue needs to slope up to an outdoor vent or chimney with proper support and must be kept away from flammable materials.

  • Electrical concerns: Homes that have electrical problems are likely to blow a fuse or trip a breaker during times of heavy heating or cooling use. It's also important to have an electrical kill switch located close to the furnace so power can be cut immediately in case of an emergency.

  • Clogged condenser drains: Condensation collects during an air conditioner's cooling process and is often removed through a drain hose. If the drain hose becomes clogged, the condensation will back up and cause moisture issues.

  • Dirty condenser coils: Dirty condenser coils can restrict air flow and lower your energy efficiency. Keep plants and other obstructions at least one foot away from the unit.

  • Un-level condenser unit: The pad that the outside condenser unit sits on should be within 10 degrees of level. Being un-level reduces the effectiveness of lubrication in the tubing and increases stress on refrigerant lines.

  • Ductwork: Air ducts that are improperly installed, cracked or have broken connections send heated or cooled air into attics and walls instead of the intended rooms.

  • Age: Most heating and cooling equipment has a life expectancy of 10-20 years. However, you can extend the life of this equipment by having it regularly maintained.

It's best to have your HVAC system inspected by a licensed technician at least once a year. For more on heating and cooling contact A.J. Perri, we have the know how to keep your home comfortable all year long.

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Last Updated: June 09, 2023