More blog posts about heating and air conditioning:

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

  2. What is the SEER of my old air conditioner?

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

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

  5. What is an HVAC system?

  6. What does an ultraviolet air treatment system do?

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

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

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

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

  11. How much life is left in that air conditioner?

  12. Why is there mold around the air conditioning ducts?

  13. How much will it cost to replace my old air conditioning system?

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

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

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

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

  18. What is the average lifespan of an air conditioner?

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

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

  21. What is a jump duct?

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

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

  24. What is the purpose of the vent grille over the bedroom door?

  25. Should I have a return air vent in the master bedroom?

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

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

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

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

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

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

  32. Why is my air conditioner not cooling enough?

  33. When is an auxiliary drain pan required under an air conditioner indoor unit (air handler)?

  34. What is a ductless mini-split air conditioner?

  35. What is a FanRecycler and AirCycler?

  36. Why has the thermostat screen gone blank?

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Welcome to our blog!
We want you to be an informed homebuyer, and each blog post is a question that we have answered for our friends and customers over the years. Hope they help you make a good choice for your next home.

   Most of the geothermal systems we inspect are 25 to 35 years old, and still operating satisfactorily because of their simplicity compared to an air-based heat pump. They were more popular during the 1970s and 80s, when the energy crunch made people keenly aware of the benefits of using the earth as an energy source.

   The most popular manufacturer in our area is Florida Heat Pump (, and for more general information about ground source heat pumps we suggest visiting the International Ground Source Heat Pump Association’s website (

While we hope you find this series of articles about home inspection helpful, they should not be considered an alternative to an actual home inspection by a local inspector. Also, construction standards vary in different parts of the country and it is possible that important issues related to your area may not be covered here.
©2015 - McGarry and Madsen Inspection.


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