Your family owned & trusted HVAC leader -- Generations above the rest! St. Marie Sheet Metal, Inc. proudly serves you as a family operated heating, cooling and custom sheet metal fabrication company for over 70 years. We are specialists in indoor air quality, providing heating, air conditioning, humidifier, air exchanger, zone system and air cleaner equipment. We custom make our own duct work to fit your unique job. New Home and Retrofit Installations of-FurnacesAir ConditionersAir ExchangersHumidifiersAir CleanersGas LinesGarage Unit HeatersVenting for Bath Fans and DryersOther Indoor Air Quality Equipment such as HEPA FiltrationCall us today for a free estimate!