residential heating and cooling heat recovery ventilator diagram

Heat Recovery Ventilators in Silicon Valley

Some of the highly energy-efficient homes constructed in Silicon Valley in the 1970s were so airtight that they developed indoor air quality issues. In an effort to achieve higher levels of energy efficiency, stale air, odors and moisture couldn't exit the home, and fresh air wasn't entering.

Heat recovery ventilation (HRV) systems allow high-quality indoor air, without compromising energy efficiency. They achieve this by supplying a constant supply of fresh, filtered air into the home, while exhausting an equal quantity of stale or contaminated air.

In the winter, the majority of the heat from the exhaust air is captured and used to pre-heat the incoming air, resulting in a high level of energy efficiency. In the summer, incoming air is pre-cooled by exhaust air in the indoor temperatures are lower than outdoor temperatures.

High Indoor Air Quality

Radon, fumes from cooking and formaldehyde from building products are all common indoor contaminants. One of the best ways to promote indoor air quality in Silicon Valley is by diluting indoor airborne toxins with fresh air. Our systems work around the clock to provide fresh air into the home.

With an HRV system, you have control over where the intake air in your home originates, removing one hurdle to clean indoor air. The incoming air is filtered, removing pollen, dust and mold, when a high MERV filter is used to remove small particles. This is especially helpful for people who suffer from allergies or asthma, as common triggers are cleaned from the air, helping to reduce symptoms.

Energy Efficiency

Even in virtually airtight homes, we can achieve both a high level of indoor air quality and energy efficiency with an HRV system. Unlike a bathroom exhaust fan which vents out conditioned air without recovering the heat, an HRV system transfers heat and even coolness to incoming air. Zehnder HRV systems are up to 95% efficient in capturing heat before it leaves your home.

It is important to select a high-quality system to receive these benefits. Residential Heating and Air Conditioning offers Fantech and Zehnder HRV systems to our customers across Santa Clara County, California. These high-quality products work around the clock to promote indoor air quality and have competitive warranties.

Since 1995, Residential Heating and Air Conditioning has served the heating, ventilation and cooling needs of thousands of households across Silicon Valley. We are a women-owned company that is skilled in sizing and installing HRV system with proper airflow rates, to create the most benefit for you and your family.

Clean indoor air and energy efficiency

Call Residential Heating and Air Conditioning to install an HRV system for optimum comfort and energy savings.


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