Cool, heat, and save with a cold-climate heat pump. A cold-climate heat pump cools and heats your home with the highest efficiency so you save money. Add in new tax credits and our rebates for even greater savings! Learn more at otpco.com/CCHP. OTTER TAIL TAIL POWER COMPANY Cool , heat , and save with a cold - climate heat pump . A cold - climate heat pump cools and heats your home with the highest efficiency so you save money . Add in new tax credits and our rebates for even greater savings ! Learn more at otpco.com/CCHP . OTTER TAIL TAIL POWER COMPANY