2024 Michigan Laws 339.5819 – Installation of heating or refrigerating system by owner of single family dwelling

2023 Michigan Laws 339.5819 – Installation of heating or refrigerating system by owner of single family dwelling

2022 Michigan Laws 339.5819 – Installation of heating or refrigerating system by owner of single family dwelling

2020 Michigan Laws 339.5819 – Installation of heating or refrigerating system by owner of single family dwelling

2019 Michigan Laws 339.5819 – Installation of heating or refrigerating system by owner of single family dwelling

2017 Michigan Laws 339.5819 – Installation of heating or refrigerating system by owner of single family dwelling

2016 Michigan Laws 339.5819 – Installation of heating or refrigerating system by owner of single family dwelling