How To Look At A House
McGarry and Madsen's home inspection blog for buyers of
site-built, mobile/manufactured and modular homes
How can I fix rooms that are too warm or too cold in my mobile home?
Tuesday, July 17, 2018
A long list of defects can cause uneven heating or cooling in any home. Problems such as a dirty filter, leaking ducts, loose duct connection at registers (vents), closed registers, or a poorly designed system can all cause an unbalanced air delivery. Rooms at the very end of a long duct run can become starved for air.
Also, any room that does not have a return air register, grille, or opening for air to return back to the air handler ends up becoming pressurized, causing reduced air flow and inadequate heating or cooling. To read about solving all these problems, see our blog post “Why are some rooms colder or warmer than others?"
But, if you are a mobile home owner that has floor registers, and determine that the problem is lack of air flow that is not easily solved, there is a cheap-and-dirty solution: a duct booster, shown above. It sits over the floor duct and activates a fan when it senses air movement below it, boosting the air flow from the register significantly. The sensor also turns off the fan when the air flow at the duct stops. It is good for up to a 6” by 12” duct, plugs into an adjacent wall receptacle, and costs under $50 at amazon.com. Search the site for “heating & air conditioning booster” to find one.
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