The EnWise group of companies offer a one-stop-shop for energy conservation solutions for the residential market in Ontario. ... From licensed Home Energy Audits, to the most energy efficient home upgrades including High Efficiency Furnace and Air Conditioners, Tankless Water Heaters, whole home Insulation solutions and more. Through these services, EnWise provides homeowers with access to over $10,000 in government grants, rebates and tax credit incentives. read more