- HEP Heat and Air
- Energy-recovery Ventilators

Energy-recovery Ventilators
Energy-recovery Ventilators | Ventilation and Air Quality | Heating and Air Conditioning | Rutledge
Imagine breathing in crisp, outdoor-fresh air while your Rutledge home stays perfectly warm in winter and refreshingly cool in summer. HEP’s energy-recovery ventilators seamlessly weave this comfort into your existing HVAC system, capturing up to 80% of the temperature energy from outgoing stale air and transferring it to the incoming fresh stream. The result is lower utility bills, balanced humidity, and a noticeable reduction in dust, odors, and airborne contaminants—without throwing money out the window.
With one smart upgrade, you protect your family’s health and your investment in high-efficiency heating and air conditioning. HEP’s certified technicians size, install, and maintain each unit so you enjoy dependable performance and peace of mind for years to come. When you’re ready to elevate your home’s ventilation and air quality, call the local team Rutledge homeowners have trusted for decades and schedule your free comfort consultation today.
FAQs
What is an energy-recovery ventilator (ERV) and how does it improve indoor air quality?
An ERV is a mechanical ventilation device that exchanges stale indoor air with fresh outdoor air while transferring heat and moisture between the two air streams through a heat-exchange core. In winter, it captures heat from the outgoing air to pre-warm the incoming air; in summer, it expels heat and excess humidity from the incoming air. By continuously diluting pollutants such as VOCs, pet dander, and excess CO₂, an ERV significantly improves indoor air quality without imposing large heating or cooling loads on your HVAC system.
How does an ERV integrate with my existing heating and air-conditioning system in Rutledge?
The ERV is typically ducted into your home’s supply and return air plenums so that fresh, tempered air is delivered directly into the HVAC ductwork. A dedicated control or your main thermostat can activate the ERV based on humidity, CO₂ levels, or a set ventilation schedule. Because Rutledge experiences hot, humid summers and mild winters, the ERV’s enthalpy core helps keep moisture out in summer and retain it in winter, reducing the workload on your air-conditioner and furnace while maintaining balanced indoor pressure.
What specific advantages does an ERV offer for the Rutledge climate?
1. Humidity control: Summers in Rutledge often see dew points above 70 °F. An ERV removes much of this moisture before it enters your home, preventing that ‘clammy’ feeling and helping to curb mold growth. 2. Energy savings: By pre-conditioning outdoor air, the ERV can cut ventilation-related heating and cooling costs by 40–60 %, which is especially valuable during our long cooling season. 3. Balanced ventilation: Homes tightened for energy efficiency can suffer from trapped pollutants. The ERV ensures a steady, code-compliant air exchange rate without wasting conditioned air. 4. Comfort: Incoming air feels closer to room temperature, eliminating drafts common with simple exhaust-fan systems.
How much can I expect to save on energy bills with an ERV compared to traditional exhaust-only ventilation?
Savings vary with usage and house tightness, but DOE studies show ERVs in the Southeast reduce HVAC energy use by 400–800 kWh annually in a 2,000-sq-ft home. At Rutledge’s average residential electricity rate (≈12 ¢/kWh), that translates to $50–$100 in yearly savings. Larger homes or buildings with higher ventilation requirements see proportionally greater savings. In addition, reducing humidity lowers the latent load on your A/C, extending equipment life and further lowering operational costs.
What routine maintenance does an ERV require?
1. Filters: Inspect and vacuum or replace the intake and exhaust air filters every 3 months—or monthly during high pollen seasons in Rutledge. 2. Core cleaning: The heat-exchange core should be removed and rinsed gently with warm, soapy water once or twice a year to maintain performance. 3. Vent hoods: Check exterior grilles for leaves, bird nests, or snow blockage each season. 4. Drain line: If your ERV has a condensate drain, flush it with a mild bleach solution annually to prevent clogs. Most tasks are homeowner-friendly, but a yearly professional tune-up ensures balanced airflow and verifies that controls are operating correctly.
Can an ERV be retrofitted into older Rutledge homes and what does installation involve?
Yes. Most ERVs are compact enough to fit in an attic, crawlspace, or mechanical closet. During a retrofit, our technicians: 1. Perform a ventilation load calculation to size the ERV correctly. 2. Run 4–6 in. insulated ductwork from the ERV to outdoor intake/exhaust vents and connect to the existing supply/return trunks. 3. Seal all penetrations for air-tightness and moisture control. 4. Integrate electrical power and control wiring (often 120 V with a low-voltage control circuit). 5. Balance the system with calibrated airflow meters to meet ASHRAE 62.2 ventilation standards. Most residential retrofits take one day with minimal disruption, and rebates or low-interest efficiency loans may be available through local utilities in Rutledge.