Assertion: heat pump's trouble | /r/HasProperty | free operation
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Source sentences:
text: Apart from being less expensive to run than other forms of heating, heat pumps offer other benefits like: heat pumps don't pollute the pool area with fumes, they are designed for trouble free operation with display codes that can help the homeowner easily troubleshoot their unit before calling for service and are made out of materials that can not be hurt by pool or spa chemicals.