Ambient cooling refers to the conditioning of air for the safety and comfort of space occupants. Industrial process cooling and refrigerator/freezer environments would be submitted under either the Custom or Specialty Equipment Incentive programs.

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If equipment is used exclusively for heating, it doesn't qualify. Equipment used for both heating and cooling, such as a heat pump, is eligible. Refer to application for guidelines and requirements.

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Yes; see Ground Source Heat Pumps on the application form.

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Your project may be eligible for the Custom Incentives for Business Program.

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No. To qualify for an incentive, the HVAC equipment must be used for ambient cooling. Projects that include process cooling, cold storage or conditioning applications other than ambient cooling are not eligible for this program, and should apply under the Custom Incentives for Business Program.

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No. To qualify for incentives, water cooled centrifugal chillers must exceed both efficiency requirements stated in Table 1 of the application form.

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Projects that increase the overall cooling capacity should be treated as a new construction or building addition project. In these cases, when defining the existing (baseline) equipment, participants should use the code compliant efficiencies for a unit of the same capacity as the proposed unit. For instance, if the existing system has a cooling capacity of four tons and the proposed equipment has a capacity of six tons, the baseline equipment recorded in the supplemental HVAC form "Existing Equipment" tab should be a code-compliant six-ton system.

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Manufacturers are required by law to provide efficiency ratings. You can get this information from the equipment manufacturer.