Sinclair Air Systems

For the past 30 years, Sinclair Air Systems has been a trusted family-owned HVAC contractor in Covina and all of Los Angeles County. Our knowledgeable technicians are dedicated to providing superior service for any residential or commercial space with honest workmanship and quality results. Make sure your home or business is always comfortable by taking advantage of our extensive services - from installation, replacement and regular maintenance to emergency repairs – we handle every kind of system ranging from air conditioners to ductwork! With us on board you can have peace knowing that cozy comfort will never leave your side.