One photograph of a covered pool in February answers half the questions
Every competitor shows a July sunset, so the fastest way to look like a builder who works here is to show winter.
Denver buyers know the pool will be closed for months. They rarely ask about it out loud on the first call, and they think about it constantly.
Put a cold weather image where the hero usually goes, or right beneath it. A covered pool with snow on the deck, a spa running in the cold, a heated spillover in use. It signals experience faster than any paragraph.
Pair it with a plain sentence about how you handle the closed season. Not a promise, just the fact that you have a process and it is documented on the site.
Then say where you build. Naming Denver County, Jefferson, Arapahoe, Adams and Douglas above the fold quietly answers the second question every visitor has.