Fifteen years is a good rule of thumb but there are numerous indicators that signal it's time to update your walk-in refrigeration unit.
With new and more energy-efficient technologies continuously being developed, experts recommend that walk-ins be replaced after 15 years of service.
If panel skins are deteriorating or separating from the foam, the walk-in most likely needs to be retired. Interior panel seams that have condensation or frost build up typically signifies that the seal is no longer adequate and air is leaking through. This can compromise holding temperatures and necessitate a new unit.
Door seals and sweep gaskets can be replaced. However, sagging doors that allow outside air into the walk-in can cause ice buildup on the evaporator coil, compromising efficiency and eventually requiring the purchase of a new unit.
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