Oct 20 2017

If the air inside your Annapolis, Maryland, home seems stale, moist or stinky, you may need better ventilation. Whole home ventilation systems are one of the best ways to bring fresh air inside. There are four types of home ventilation systems. Here are the pros and cons of each type.

Exhaust Systems

Exhaust ventilation systems are one of the easiest and least expensive indoor air quality solutions. These systems function well in cold climates, but they can cause depressurization in your home. This kind of ventilation mixes indoor and outdoor air to keep drafts at bay in winter.

Supply Ventilation

Supply systems use a fan to bring in clean outdoor air through a vent connected to your home’s air ducts. They also yield better control than exhaust ventilation, keeping outdoor irritant levels low.

These systems dehumidify and filter incoming air and prevent back drafts of combustion gases. Supply ventilation in colder areas may cause moisture issues.

Balanced Ventilation

Balanced systems work in all climates by equally bringing in outdoor air and sending indoor air outside. The pressure inside the home stays almost constant, keeping drafts to a minimum. Balanced ventilation systems don’t temper or dehumidify outside air, and they cost more than supply or exhaust systems.

Heat Recovery Ventilation

Heat recovery ventilators are the top-of-the-line systems for home ventilation. They have a heat-exchange core that moves heat from the outgoing air to the incoming air. HRVs can recover a lot of the heat from the outgoing air stream, making them easy on your budget and heating system. They work in all parts of the country and are cost-effective in areas with extreme winters.

If you have questions about home ventilation or any indoor air quality concerns, call Coastal Heating and Air Conditioning at 410-919-0110. We have solutions for all of your IAQ concerns, including humidity control and duct cleaning.

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