Phone: 888 806 2552        P.O.Box 1891    
Fax: 626 303 5677   Duarte, Ca 91009    
ServicesEquipmentF.A.Q.Dictionary   
Kari
    "We work to keep our customers Cool in the Summer and Warm in the Winter"
- Kari Hatfield.
 In the Los Angeles area, that's a mouthful. 
Welcome to Horizon Service. You can find out about a/c and heating systems and service tips at our faq page. Want to replace your old unit? Check out the equipment tab above, or you can click here. information pages on a/c brand, size and SEER can also be found here or on the tabs above. A complete dictionary on heating and air conditioning terms is there on the end. To return to this page, click the Horizon Service banner along the top of each page. Remember you can always call us and talk to a serviceman about your problem. Just click the e-mail link here, or at the bottom of each page.
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click here for larger map of the area we service
We do house calls! We work on residential and light commercial a/c systems. We have a continuously expanding base of customers, and we work hard to keep them. 

 Here is a list of some of our services.

  • A/C & heating replacement and service for the home
  • A/C & heating for apartments and townhomes
  • A/C & heating for small businesses
  • Restaurant
  • Computer room & special systems