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Category: Ductless

09 Feb 2017
Trane Ductless Unit

Ductless Mini Splits Can Do a Better Job in Winter If You Follow These Tips

Ductless mini splits are an effective, economical way to provide zoned heating or cooling to rooms in your Omaha home that lack traditional ductwork. Here are some great tips on how to get the most out of yours this winter.

  • Start at the beginning – To achieve maximum heating efficiency, savings and comfort from your ductless mini splits, first improve your home’s thermal envelope. Your doors, foundation, outer walls, roof and windows are all that stand between the outdoors and the indoors, and their efficiency level determines the amount of heat transfer between the two areas. Seal any air leaks with caulking or weatherstripping, check the roof for any loose or missing shin
  • gles and consider adding more insulation to your attic to a minimum level of R-38.
  • Size matters – As temperatures drop outdoors, so does the amount of heat your mini split can put out. Size the unit according to the average low temperature, which in Omaha is between 10 and 15 degrees.
  • Go undercover – Provide shelter from the elements for the outdoor compressor unit, protecting it on all sides without restricting airflow.
  • Location, location, location – The indoor component should be mounted about 18 inches from the floor with an unobstructed path to the living area. This increases efficiency and comfort by drawing in cooled air for heating and directing the warm air down low where it can mix in with the cooler air. It also provides indirect airflow and increased comfort while ensuring easy access to clean filters or perform maintenance.
  • Don’t forget the pipes – To prevent the transfer of noise between the indoor and outdoor components, it’s recommended to use at least 15 feet of pipe between them.
  • Do your math – Balance is needed between the efficiency of the unit and reduced operating temperatures. In warmer climates, more emphasis can be placed on efficiency, allowing you to install a unit with a higher heating seasonal performance factor (HSPF).

For more information on ductless mini splits, contact us at Fred’s Heating and Air. We have over 25 years of experience and are proud to serve homeowners in Omaha and the surrounding areas.

09 Feb 2017
Trane Ductless Unit

Ductless Mini-Split Maintenance You Can Perform This Weekend

A ductless mini-split system is an efficient method of heating and cooling a room, particularly in situations where ductwork isn’t available for a traditional ducted system. That said, maintenance on a mini-split unit is just as important as with other types of HVAC systems.

Unlike a ducted HVAC system, a ductless mini-split system doesn’t heat and cool the whole house, just the room where it’s installed. An outside unit compresses the refrigerant, which is then pumped through an insulated pipe to the indoor unit, where it cools the air flowing across it. When heating’s needed, the process is reversed.

As with any other type of device, a ductless mini split requires regular preventive maintenance to keep it running at peak efficiency and ensure that your electric bill is as low as possible. Most of these maintenance items are things you can do at home with little to no money spent.

  • Check the air filters regularly and clean or replace when dirt appears.
  • Keep the evaporator coils in the inside and the condenser coils outside clean. The better these coils can transfer heat, the more efficient the system will be. Dirt hinders heat transfer.
  • Open the indoor case and observe the balance on the blower assembly and fan wheel. If things look out of whack, contact your trusted HVAC professional.
  • Make sure the pipes and connections through the wall are all in good condition and not showing excess signs of wear.
  • Ensure that the outdoor unit and pipes are all properly secured to prevent vibrations that can damage the piping.

For more information about your ductless mini split and how to best maintain it, contact the pros at Fred’s Heating and Air. We have over 25 years of experience with residential and commercial heating and cooling systems, including ductless mini-split systems.