Stanley Ruth is New York's only thru-the-wall heating and cooling company focusing exclusively on private residences. And we bring more than a century of experience to every job. Founded at the turn of the last century, Stanley Ruth is one of the oldest family-run businesses in the United States. What started as a modest clock-repair shop in Queens in the 1890s has blossomed into New York's premier HVAC service company In our hundred-plus years of operation, we’ve specialized in clock, TV and radio repair and electrical contracting before finding our niche with thru-the-wall HVAC systems. The one constant has been our commitment to providing white glove service, ensuring you remain comfortable and at ease in your home.