If you’re considering installing a new solar hot water system on your home’s rooftop as an alternative to traditional heating options, then undoubtedly, some of the burning questions on your mind are about the differences between a passive and active solar thermal systems, costs, and pros and cons of each option.
To get right to the bottom line, here are the average costs of having a completely new solar hot water system installed on a typical residential rooftop.
Passive Solar Water Heat: $2,500 to $5,500 with an average of $3,500 before the 26% federal solar investment tax credits that are good through the end of 2022. These solar tax credits from the federal government will be reduced to 22% in year 2023.
Active Solar Water Heat: $7,500 to $10,000+ with an average of $8,700 before the 26% federal solar investment tax credits.