Existing Multifamily Building
Energy Efficiency
Existing multifamily buildings make up 38% of the 23,000,000 living units in the northeastern U.S. And many of these buildings use a signficant quantity of energy and water. Over 50% were built before 1960, when little or no attention was paid to energy efficiency. Many have yet to be retrofitted or have undergone ineffective modifications. Typical attributes of these buildings (when new) were:
- Little or no insulation
- Single pane windows
- Significant drafts & air leakage
- Inefficient heating/cooling and water heating equipment
- Inefficient lighting, appliances, and water fixtures
These buildings are challenging to assess and improve because they often have complex central heating, cooling, water heating, and ventilation systems. In addition, utility metering and billing configurations vary from building to building and region to region. Once identified, however, improvements are often quite cost-effective.
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6 Steps to Lower Utility Bills
Bone Energy Services has developed a systematic approach to help building owners reduce their utility bills:
