HEAT EXCHANGERS

Bored geothermal exchangers

Contractors

Certification, Minn. Law 2025 1Sp c 3 art 1 s 11

Licenses, Minn. Law 2025 1Sp c 3 art 1 s 12, 13

Fees, Minn. Law 2025 1Sp c 3 art 1 s 6

Groundwater thermal exchange devices, fees, Minn. Law 2025 1Sp c 3 art 1 s 6