Mmanufacturer of air-to-water heat pumps called asking if I would be willing to visit a home to perform a heat loss/gain calculation where two of its heat pump systems had been installed and determine why the home was not heating and cooling to the homeowners satisfaction.

After being contacted by the general contractor, we met on site to go over the possibility of installing a snowmelt system for the more than 2,000-square-feet of sidewalks, which also included two ADA-sloped approaches to the grand entrance, a wide sweeping brick stairway and the landing pads outside the grand entrance.

An architect, insulation installers, door and window salespersons/installers, and a mechanical contractor are in a classroom together, and the instructor asks: “Should you upgrade the building envelope or replace the heating and air conditioning equipment?

Ask Dave, he’ll know.” I had just walked into the inside sales area to give our salesman a list to quote. A friendly competitor was looking for answers and one of the salesmen told him to ask me for my thoughts. He had recently installed a new boiler with five zones of radiant heating in an old farmhouse.