1. Lennox: Lennox is a leading global manufacturer and provider of heating, cooling, and air quality systems. They offer a wide range of repair services for their own products and those of other manufacturers.
2. Trane: Trane is another well-known brand in the HVAC industry. They have a network of authorized dealers and service providers who are trained to repair and maintain Trane systems as well as other brands.
3. Carrier: Carrier is a leading provider of HVAC solutions for residential and commercial applications. They have a strong reputation for quality and customer service, and they offer repair services through their authorized dealers.
4. American Standard: American Standard is a respected manufacturer of heating and air conditioning systems, and they have a network of authorized service providers who can handle repairs and maintenance.
5. Reliance Heating & Cooling: Reliance is a heating and cooling company that operates in the United States and Canada. They offer repair services for a wide range of HVAC systems and have a reputation for prompt and reliable service.
It is always best to do your own research and compare multiple companies before choosing one for heating and air conditioning repair. Read online reviews, check with your local consumer protection agency, and get quotes from several companies to find the best fit for your needs and budget.