A: Measuring the duct opening accurately. Always measure all openings because most houses have a mixture of sizes. There is one exception, which are baseboard registers. In that case you want to measure the distance between the baseboards to the left and right of the duct opening.
A: Give us a call. Many styles of air vents can be custom made to all sorts of oddball sizes without an upcharge.
A: With certain styles we can reduce the size of the lip on that side
A: When customizing we send you a spec sheet in advance that specifies all dimensions, pricing, lead times, etc...for your approval
A: Just give us a call at 509-535-5098. We'll ask you some questions and then we'll be able to provide some good advice.
A: Short answer: yes