Methods and Systems for Controlling a Hybrid Heating System
First Claim
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1. A hybrid heating system, comprising:
- a heat pump;
an auxiliary furnace; and
a controller coupled to the heat pump and the auxiliary furnace,wherein the controller, in response to receiving a heat request, selects either the heat pump or the auxiliary furnace based on an economic balance point algorithm.
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Abstract
In at least some embodiments, a hybrid heating system includes a heat pump and an auxiliary furnace. The system also includes a controller coupled to the heat pump and the auxiliary furnace. The controller, in response to receiving a heat request, selects either the heat pump or the auxiliary furnace based on an economic balance point algorithm.
30 Citations
20 Claims
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1. A hybrid heating system, comprising:
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a heat pump; an auxiliary furnace; and a controller coupled to the heat pump and the auxiliary furnace, wherein the controller, in response to receiving a heat request, selects either the heat pump or the auxiliary furnace based on an economic balance point algorithm. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A control system for a hybrid heating system, the control system comprising:
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economic balance point logic configured to determine an outdoor temperature threshold at which operating an auxiliary furnace is less expensive than operating a heat pump; selection logic configured to select, in response to a heat request, either the auxiliary furnace or the heat pump based on the outdoor temperature threshold. - View Dependent Claims (12, 13, 14, 15)
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16. A method for controlling a hybrid heating system, comprising:
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determining, by a controller, an outdoor temperature threshold at which operating an auxiliary furnace is less expensive than operating a heat pump; receiving, by the controller, a heat request; and selecting, by the controller, either the auxiliary furnace or the heat pump based on the determined outdoor temperature threshold. - View Dependent Claims (17, 18, 19, 20)
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Specification