Ventilation and Your Home’s Temperature

Ventilation and Your Home's TemperatureThe length and intensity of Florida summers pose a challenge for adequate ventilation in homes. Enough fresh air prevents stale air from building and in the case of attics, excessive heat formation. Fortunately, there are effective ways to increase venting to improve air quality and manage temperatures.

Inside the Home

The most energy efficient way to ventilate your home without raising the temperature is with an energy recovery ventilator (ERV). These appliances remove the same amount of stale indoor air as they pull in from the outdoors. The outgoing air goes through a heat exchanger that strips the thermal energy from it before it exits and puts it into the incoming fresh air. ERVs also remove water vapor from the incoming air, which is easier for your air conditioner or heat pump to cool.

HVAC pros install ERVs in attics or hallways. Some people attach them to their HVAC systems so that they supply fresh outdoor air to every room in their home. Other options include directing the fresh air into kitchen or bathroom areas. ERVs can be put on timers or operated manually.

In the Attic

Unless you have good attic insulation, inadequate ventilation in the attic can heat your home all summer. If there isn’t enough circulation, the temperatures can reach over 140 degrees F. Since heat constantly seeks cooler temperatures, it will travel through the insulation and the drywall into the rooms, making them harder to cool.

Several options for ventilating the attic that work for Floridians include:

  • Attic fans. An attic fan will pull the hot air out of the attic and the cooler outdoor air inside through the gable or ridge vents, or the soffits. You can use solar fans or plug them into an outlet.
  • Turbines. These fans sit on top of the roof and as the hot air rises, it pushes out through the blades of the turbine.

If you’d like to learn more about improving the ventilation inside your home and attic, contact NisAir Air Conditioning and Heating, serving homeowners in Palm Beach, Indian River and Martin Counties.

Our goal is to help educate our customers in Martin, Palm Beach, St. Lucie and Indian River Counties in Florida about energy and home comfort issues (specific to HVAC systems). For more information about other HVAC topics, download our free Home Comfort Guide or call us at 772-207-1658.

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