Air conditioning and heating service for San Gabriel Valley and Los Angeles area. List of services, area covered and contact information. Heating, Air Conditioning, Refrigeration and Ventilation residential, commerical in the San Gabriel Valley. Horizon Service is your Air Conditioning and Heating Specialist serving the greater Los Angeles area and All of the San Gabriel Valley. We service most of Southern California, so don't hesitate to call if you need a repair or replacement. We do new installations too!

Provides heating systems for industrial and commercial buildings throughout the U.K. Offering warm air heaters, radiant heaters, and portable heaters.

Specializes in marine offshore industrial heating elements and control accessories.

Makes and imports controls for air conditioning and climate zone control systems.

Offers commercial and residential mechanical contracting throughout Wisconsin.

Specializing in residential systems.

Makers of evaporative cooling units.

Service, repair, and install all makes and models of A/C and heating, major appliances, and plumbing.

Provides residential and light commercial customers with sales, service, and installation of heating and cooling systems.