If the duct is a standard size, remove the register and drop the fan into the boot. Secure it to the floor on each side with screws. If the duct is smaller than standard, see photos below. Plug the ...

Dear Jim: After the heat wave we have had recently, I think we need to add central air-conditioning. We have electric baseboard heating, so there are no ducts. What are the simplest central system ...

With energy costs going through the roof and no relief in sight, HVAC system designers and specifiers are taking a much harder look at the many choices in ductwork available to them today. One ...