The Lennox Model number of your unit is the most important information. Our Air Conditioning Model Number location video can be found by clicking here. The photos and diagrams will help you locate the model and serial numbers of your equipment, if they are not found on your original warranty or sales invoice. Split Systems Two Model and Serial Tags identify Split System Equipment.

1. Carrier Air Conditioner Model Number Search

More blog posts about heating and air conditioning:

Carrier Air Conditioner Model Number Search

1. •How can I find out the size of my air conditioner?
   

2. •The coils on my heat pump are covered with ice on cold mornings. What’s wrong with it?
   

3. •What is the SEER of my old air conditioner?
   

4. •What is the difference between the “ON” and “AUTO” settings on my thermostat?
   

5. •What is a “ton” of air conditioning?
   

6. •What is the best air conditioner for a mobile home?
   

7. •How do I find the right size air conditioner for my house?
   

8. •What is an HVAC system?
   

9. •What is the difference between the SEER and EER of an air conditioner?
   

10. •What does an ultraviolet air treatment system do?
    

11. •The coolant line to the outside unit of my air conditioner is frozen. What's wrong?
    

12. •What size air conditioner is right for my mobile home?
    

13. •What is the minimum SEER rating for a new air conditioner?
    

14. •What does the “AFUE” rating of a furnace mean?
    

15. •How much life is left in that air conditioner?
    

16. •Why is there mold around the air conditioning ducts?
    

17. •What is a geothermal heat pump?
    

18. •What is the difference between a heat pump and a cooling air conditioner?
    

19. •Is it alright to close the air conditioning vents in unused rooms?
    

20. •What is the right MERV number for my air conditioning filter?
    

21. •Should I move my air conditioner into the attic?
    

22. •What are the minimum requirements for bathroom ventilation?
    

23. •What is an air conditioning heat recovery system?
    

24. •When should I switch the thermostat to “EMERGENCY HEAT” for my heat pump air conditioner?
    

25. •Why does the air conditioner condensate drain line need a trap in it?
    

26. •What is the average lifespan of an air conditioner?
    

27. •Should I remove an old whole house fan or keep it?
    

28. •How can I find out the SEER of my air conditioner?
    

29. •Is it acceptable for an air conditioning condensate drain line to terminate under the house?
    

30. •How much will I save on my utility bill if I get a new higher SEER air conditioner?
    

31. •My air conditioner won’t turn on What’s wrong?
    

32. •Will closing doors reduce my heating and cooling costs?
    

33. •Why is there a wall switch next to the furnace or indoor unit of the air conditioner in the garage?
    

34. •What are the most common problems with wall/window air conditioners?
    

35. •Which one is better for a home heating system: electric or natural gas?
    

36. •Why does an air conditioner condenser need to be level?
    

37. •Why is it bad to have a clothes dryer vent near an air conditioning condenser (outdoor unit)?
    

38. •When does the ban on R-22 air conditioning refrigerant take effect?
    

39. •How can I tell if an air conditioner uses R-22 or R-410A refrigerant?
    

40. •Why is my air conditioner not cooling enough?
    

41. •What is a return air plenum for a furnace or air conditioning system?
    

42. •Why does it take so long to cool a house when the air conditioner has been off for a while?
    

43. •What are the right words to use when talking about a heating and air conditioning system?
    

44. •What is a ductless mini-split air conditioner?
    

45. •What is a FanRecycler and AirCycler?
    

46. •Why is my bathroom vent fan not exhausting enough air?