Any building owner or operator knows that due to the extreme North American climate, conditioning ventilation air is very expensive. Ventilation air is extremely important to ensure the building is healthy and in turn the occupants are healthy and productive. Thanks to Tempeff DualCore® high efficiencies, owners can meet or exceed minimum legislated ventilation requirements, without the usual high operating costs of traditional ventilation heating and cooling equipment.
DualCore® technology challenges the status quo heat recovery technologies on the market today by being frost resistant and of the highest efficiency available. Due to its inherent design, our technology does not give frost the opportunity to build up, and instead results in constant energy recovery day in and day out. This solves the age-old problem of energy robbing defrost strategies, while at the same time offering superior energy efficiency, regardless of outdoor air temperatures.
Other available technologies offer a maximum of 50-75% efficiency under ideal circumstances, and much lower real effectiveness in colder temperatures due to frost. Our DualCore® design is significantly more energy efficient in all conditions, without any requirement for a defrost strategy, thus true operating costs are extremely attractive efficiency and their savings.
In winter modes condensation will form on the exhausting heat exchanger. When the cycle changes, the outdoor air is passed over the heat exchanger and that moisture is added back to the airstream. This reduces the need for added humidity in the conditioned space.
Most heat recovery technologies suffer from the same basic drawback. In cold temperatures, frost forms on the exhaust side of the heat exchanger. This dramatically reduces the heat recovery effectiveness and drives up true operating costs. With the DualCore® design frost will never build up in a typical application. By employing a cycling heat exchanger, frost doesn’t have a chance to form, and one heat exchanger is always delivering conditioned air to the space.
With few moving parts, maintenance of the system is very low. Due to the cycling nature of the heat exchangers dust rarely builds up on the heat exchangers, eliminating the need for frequent cleaning.
The DualCore® system employs two energy cores that deliver extremely high, frost resistant energy recovery. Units can be applied wherever ventilation air is required. DualCore® units meet or exceed ASHRAE 62 - 2010 standards for cross leakage rates, and are an excellent solution for energy recovery in ventilation applications.
We are proud to announce our NEW DualCorePlus™ technology that offers up to 90% sensible heat recovery in winter, without the need for a defrost strategy, while also offering a significant reduction in the cooling load with up to 57% latent recovery in summer. This substantial impact on cooling loads, reduces capital costs while providing attractive paybacks and superior energy savings.
Providing a maximum 450 FPM through the energy recovery cores, and a remarkable internal pressure drop of under an inch, this technology is sure to impress.
Ventilation air is extremely important to ensure a healthy and comfortable interior environment, in turn providing an atmosphere of well-being for occupants to thrive productively. Tempeff DualCorePlus™ creates efficiencies that meet and exceed minimum legislated ventilation requirements, without the high operating costs of traditional ventilation heating and cooling equipment.
With few moving parts, maintenance of the system is very low. Due to the cycling nature of the heat exchangers dust rarely builds up on the heat exchangers, eliminating the need for frequent cleaning.
For DualCore® Energy Analysis Peformance Calculator please see desktop.
| Air Flow | 6500 SCFM |
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| Face Velocity | 371 ft/min |
| Pressure Drop | 0.72 in WC |
| Dry Bulb | °f |
| Wet Bulb | °f |
| Humidity Ratio | 84.4 gr/lb |
| Rel. Humidity | 76.9 % |
| Dew Point | 62.5°f |
| Enthalpy | 30.0 BTU/lb |
| Model | |
| Face Area | 17.5 ft2 |
| Minimum Airflow | 3,507 SCFM |
| Maximum Airflow | 8,769 SCFM |
| Flow Imbalance | 0% |
| Air Flow | 6500 SCFM |
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| Face Velocity | 371 ft/min |
| Pressure Drop | 0.72 in WC |
| Dry Bulb | °f |
| Wet Bulb | °f |
| Humidity Ratio | 64.4 gr/lb |
| Rel. Humidity | 49.8 % |
| Dew Point | 55.1°f |
| Enthalpy | 28.1 BTU/lb |
| Dry Bulb | 73.8°f |
| Wet Bulb | 66.2°f |
| Humidity Ratio | 84.4 gr/lb |
| Rel. Humidity | 67.5% |
| Dew Point | 62.5°f |
| Enthalpy | 30.9 BTU/lb |
| Efficiency | BTU/h | |
| Sensible | 77% | 26,985 |
| Latent | 0% | 0 |
| Total | -50 | 26,985 |
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