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Get QuotesAs a company which has been immersed in energy delivery and HVAC systems for over 100 years, Alvin Hollis has naturally turned to sensible renewable energy solutions for our customers interested in this new technology. Of greatest interest and feasibility has been solar energy and geothermal HVAC systems — the installation costs for both have dropped precipitously in recent years. In fact, solar panel installation costs are about 25% less than that of just two years ago.
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