The best way for homeowners to achieve the highest energy efficiency and the greatest comfort from their home heating and cooling systems is to make sure ducts moving air throughout the house are property sealed.
Heating and cooling can represent as much as half the electrical energy use of a house. For that reason, the Bonneville Power Administration offers a Performance Tested Comfort Systems training and certification program to building contractors. These trained technicians are available to install or replace heat pumps and related duct systems to the highest efficiency standards. As part of the program, Clark Public Utilities offers homeowners a variety of conservation loans and grants to upgrade or replace heating/cooling systems if they contract the work using PTCS trained and certified technicians. The BPA hired Ecos Consulting Inc. in Portland to manage the program, which includes training, quality assurance inspections and project certification.
“Something like 30 percent of even newly installed duct work can be in default,” said Andres Morrison, technical program manager for Ecos Consulting. “Homes that are five, 10 or 15 years old may have even higher default rates. In our work, we also are seeing that something like 70 percent of heat pumps are installed wrong,” he said.
Clark Public Utilities offers a list of contractors who have received the PTCS training and certification. According to the BPA website at www.bpa.gov/energy/n/projects/PTCS/index.cfm, a PTCS-certified technician will: