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Ventilation to Help “Build Tight, Ventilate Right”

Fresh Air Ventilation

Fresh air ventilation is an important aspect of building design for energy efficiency and comfort. As energy efficiency improves, buildings become more and more airtight, and where we once relied on natural ventilation to bring in fresh air--and additional heating or cooling requirements along with it--we can now use mechanical ventilation to help the home “breathe” in a controlled manner.

Heat Recovery Ventilators (HRVs) and Energy Recovery Ventilators (ERVs) by Venmar provide a constant supply of fresh air while exhausting stale air. Additionally, Energy Recovery Ventilators passively transfer moisture between outgoing air and incoming air, which helps to moderate indoor moisture levels. Deltec provides three ERV or HRV options:

Constructo. The basic ERV or HRV model.

HEPA. Incorporates HEPA filtration, capable of removing 99.7% of dust, mold and particulates from incoming air.

EKO. Advanced motor technology significantly lowers the electricity use of your fresh air exchanger unit.

        

 

 

 

 

 

Why Are They Green?

  •  Work with a well-insulated and highly air-sealed home to continue to allow cycling of fresh air, reducing your exposure to indoor air pollutants
  • Recaptures energy used to heat and cool the exhaust air and uses that energy to pre-condition the incoming air
  • HEPA option captures 99.97% of all dust and airborne particles, while EKO option provides heat or energy recovery ventilation with minimal electricity consumption of it’s own

Learn More>>

We love our Deltec. It is a wonderful design and is VERY fuel efficient. It was green before green was cool. - Becky A., Greenville, SC

Due to the superior energy efficient design of the Deltec home, all the south facing glass and the active solar power equipment, the home is totally self sufficient.
 - John J., Telluride, CO

Our Deltec home has exceeded our expectations. It is comfortable inside and looks great outside. We are very happy with the energy efficiency and comfort of this design. - Marianne K., Harrisonburg, VA

Each time the gas company sends out a bill, they include a chart comparing our consumption with their average customer. Always, our consumption is just half of the average. - Ed B., Holcomb, NY

Our past electric bills ranged from $120 to 250. With our 4000 sq. ft. Deltec (around 3 times the size of our old house), our electric bill averages around $120, $130 per month. - Kim M., Magnolia, TX

We love our Deltec home. It is very energy efficient (we have not had a gas bill over $75 this year), spacious, easy to maintain, and incredibly "livable." - 
Daniel & Lynn W., Wildwood, PA

We have just gone through our first winter and I can't believe how tight this house is, and how it weathers the local winds which are occasionally pretty interesting. - Joseph R., Oakhurst, CA

Using regular windows, floor plan design & sub-tunnels we have such great natural lighting that we almost never need to turn on any lights in the house.
 - Beth H., Charleston, SC

Even on coldest days in Colorado, our house stays in the low 60s without using the furnace during the day. In the summer it never gets above 75 even if 15 degrees warmer outside. Love my house! - 
Suzanne M., Buena Vista, CO

Everyone else around us is crying about $500-$600 a month electrical bills and ours was $239.00 last month which is really low for Hawaii. - 
Keith B., Holualoa, HI

For our new home, we built to the basic Deltec standards…and our Deltec Home earned a HERS score of 34. Our home uses 66% less energy than code-built new homes. We’re very pleased with the energy efficiency. -Barbara P., Richford, VT- - Barbara P., Richford, VT