Zoneline - HSPF
Zoneline models do not have an HSPF (heating seasonal performance factor). For the PTAC industry, the government does not rate them in HSPF. They are only rated in COP, which can be found in the product specifications.
Zoneline models do not have an HSPF (heating seasonal performance factor). For the PTAC industry, the government does not rate them in HSPF. They are only rated in COP, which can be found in the product specifications.