Sorry Twinco does not service window air conditioners. Twinco heating and air conditioning specializes in installation , repairs, and service of residential and light commercial heating and air condioning equipment . Twinco believes in being on time and providing quality service at a fair price we service all of Orange county , Long Beach , Lakewood, Cerritos,La Mirada and surrounding areas. Twinco air services all brand s and makes including wall heaters and floor heaters. Twinco Heating and Air conditioning is family-owned and operated right here in Buena park, CA. Other companies may offer similar services, but our services is the best, and comes with a personal touch.