Marten Mountain Metal Works Ltd (MMMW) is a proud, locally owned business in SlaveLake, Alberta, celebrating 50 years of excellence in 2025. As an independent Lennox Dealer, we specialize in providing top-notch heating and cooling sales and service, catering to both residential and commercial clients. Our expertise extends to custom sheet metal fabrication, ensuring tailored solutions for all your needs.... Read More about Marten Mountain Metal Works Ltd