Synopsis

In Virginia, hosts Kevin O'Connor and plumbing and heating specialist Richard Trethewey assist a homeowner in upgrading from an outdated electric water heater to a more efficient heat pump model. Later, in the loft, Trethewey, O'Connor, general contractor Tom Silva, and landscaping contractor Roger Cook ponder a question: "What is it?" The conversation then shifts to propane-powered mosquito traps and the best methods for maintaining their effectiveness. Finally, Tom lends his expertise to a hom