Consider a tightly sealed Evanston home built or renovated in the last two decades. The windows are modern, the walls are insulated, and the weatherstripping keeps drafts out. That same tight construction that saves energy also traps stale air, cooking odors, excess humidity, and indoor pollutants inside the living space. Without a way to bring in fresh air without wasting the heat you paid for, condensation forms on windows, air quality drops, and the home starts to feel stuffy. A heat recovery ventilator, often called an HRV, solves this problem by exchanging stale indoor air for fresh outdoor air while capturing the heat that would otherwise escape.
At All Temp Heating & Air Conditioning, we install heat recovery ventilators throughout Evanston and the surrounding communities. As a family owned and operated company that has become the first choice for tens of thousands of families throughout the Chicago and suburban areas, we understand how the local climate along Lake Michigan affects indoor air balance. This page explains how HRV systems work, how we install them, and why they make sense for many Evanston homes.
How a Heat Recovery Ventilator Works
A heat recovery ventilator is a balanced ventilation system. It uses two separate air streams that pass through a central core at the same time. One stream pulls stale, moist air out of the home from rooms like bathrooms, the kitchen, and the laundry area. The other stream draws fresh air in from outside and distributes it to living spaces like bedrooms and the family room. The two streams never mix, but they pass close enough together inside the core that heat transfers from one to the other.
During an Evanston winter, the warm outgoing air heats the cold incoming air before that fresh air enters the home. This means you get ventilation without throwing away the energy your furnace already produced. A quality HRV core can recover a large share of the heat from the outgoing air, which reduces the load on your heating system. In milder shoulder seasons, the system continues to keep air fresh while limiting energy loss. The result is a home that breathes without the penalty of high heating bills.
Why Evanston Homes Benefit From an HRV
Evanston sits close to Lake Michigan, and the cold, damp air of the region creates conditions that make moisture control important. Tight, well-insulated homes can hold humidity from showers, cooking, and daily living. When that moisture has nowhere to go, it can lead to foggy windows, musty smells, and over time, conditions that encourage mold growth. A heat recovery ventilator provides a controlled, continuous exchange that keeps humidity in a healthy range through the winter.
Beyond moisture, an HRV improves the overall freshness of the air you breathe. Modern homes accumulate carbon dioxide from occupants, volatile compounds from furniture and cleaning products, and particles from cooking. By constantly swapping stale air for fresh air, the system dilutes these indoor pollutants. Families with allergies, asthma, or sensitivity to indoor irritants often notice a clear difference. For Evanston homeowners who have recently sealed and insulated their homes, an HRV restores the healthy air exchange that older, leaky construction provided by accident.
Our Heat Recovery Ventilator Installation Process
Every successful HRV installation begins with a careful assessment of your home. When you contact All Temp Heating & Air Conditioning, our technicians evaluate the size of your living space, the layout of your rooms, the existing ductwork, and your current heating and cooling equipment. This step matters because an HRV must be sized correctly to move the right volume of air for your home. A unit that is too small will not ventilate adequately, while one that is too large wastes energy and can dry the air more than needed.
After we determine the correct capacity, we plan the ductwork and mounting location. In many Evanston homes, the HRV is installed in a basement, utility room, or mechanical closet near the furnace. Our installation follows a clear sequence:
- Assessment and sizing: We measure airflow needs based on the home’s square footage, number of rooms, and occupancy to select the right unit.
- Duct planning: We map the intake and exhaust routes, deciding whether the HRV connects to existing ductwork or uses dedicated ducting for stale and fresh air.
- Mounting and connection: We secure the unit, connect the two duct streams, and install insulated ducts where needed to prevent condensation.
- Exterior terminations: We place the outdoor intake and exhaust hoods with proper separation so fresh air is not pulled from the exhaust stream.
- Controls and balancing: We wire the controls, set the ventilation rate, and balance the incoming and outgoing airflow so the system runs efficiently.
Balancing is one of the most important steps. If the intake and exhaust flows are not matched, the home can end up under pressure or over pressure, which affects comfort and efficiency. Our technicians use measuring instruments to confirm the airflow is balanced before we consider the job complete. We also walk you through the controls so you understand how to adjust ventilation settings for cooking, showers, or gatherings.
Technical Specifications We Consider
Choosing the right heat recovery ventilator involves several technical factors. We match each of these to your specific home rather than applying a single solution everywhere. The features and specifications that guide our recommendations include:
- Airflow capacity: Measured in cubic feet per minute, this determines how much air the unit can move and must match your home’s ventilation requirements.
- Heat recovery efficiency: The percentage of heat the core recaptures from outgoing air, which directly affects energy savings during Evanston winters.
- Core type: The design of the heat exchange core influences durability, defrost performance, and how well it handles cold Chicago-area temperatures.
- Defrost function: A built-in defrost cycle prevents frost buildup in the core when outdoor temperatures drop, keeping the system running through the coldest months.
- Filtration: Filters on the incoming air stream trap dust and particles before fresh air reaches your living space.
- Noise level: A quiet blower keeps the system unobtrusive, which matters when the unit runs continuously.
We also pay attention to how the HRV integrates with your existing furnace, air handler, or ventilation equipment. As one of Bryant’s highest-rated dealers in the nation, we work with quality equipment and make sure each component works together as a complete system. When an HRV is paired correctly with your heating system, the two operate in harmony rather than fighting one another.
Applications in Evanston Homes
Heat recovery ventilators fit a wide range of situations. In newer construction where the building envelope is very tight, an HRV is often the primary way to guarantee healthy air exchange. In older Evanston homes that have been renovated with new windows, spray foam insulation, and air sealing, an HRV replaces the natural ventilation that the upgrades removed. Homeowners who have finished a basement or added a bedroom benefit because the added conditioned space needs its own fresh air supply.
We also install HRVs for families who are simply frustrated with persistent condensation on windows, lingering cooking odors, or air that feels heavy and stale. In homes where multiple people spend long hours indoors during the winter, carbon dioxide levels can climb, and an HRV keeps the air fresh without opening windows to the cold. Whatever the reason, our goal is to deliver balanced ventilation tailored to your home.
Why Choose All Temp Heating & Air Conditioning
Our courteous, fast, and friendly staff is here to service all of your needs, from the first assessment through the final balancing of your new system. Because we sell and install quality furnaces, air conditioning, boilers, air purifiers, humidifiers, ventilation, water heaters, and more, we understand how each part of your home comfort system works together. A heat recovery ventilator is not a standalone gadget. It is part of the larger system that keeps your home comfortable, efficient, and healthy year round.
Families across Evanston and the wider Chicago, Bolingbrook, Skokie, Evanston, Lincolnwood, Morton Grove, Niles, Park Ridge, Woodridge, and Darien, IL region rely on us for expert equipment installation, tune-up, and repair services. When you invest in a heat recovery ventilator, you deserve an installation that is done right the first time, with attention to sizing, ducting, sealing, and balancing. Reach out to All Temp Heating & Air Conditioning to schedule an assessment and learn how a heat recovery ventilator can improve the air in your Evanston home.