air filters Archives - National Refrigeration Blog

Tag: air filters

  • Common HVAC issues in humid climates

    Common HVAC issues in humid climates

    As this blog is being written, the humidity here in Warwick, Rhode Island, is 90%. According to research by Building Science Corporation, an elevated relative humidity of 70% or higher can lead to structural problems with mold, corrosion, decay, and other moisture-related surface deterioration. If you also live in a region with high levels of…

  • 5 Signs Your HVAC System is Wasting Energy

    5 Signs Your HVAC System is Wasting Energy

    National Refrigeration takes a look at 5 warning signs that your HVAC system is wasting energy.