Winter shows up early across Angel Fire, Taos, Mora, Cimarron and the rest of Northern New Mexico’s high country, and it doesn’t let go until late spring. A furnace that limps through October is a real problem by January, so the week before the first hard freeze is the right time to catch it, not the night it actually breaks.
1. Run your system before you need it
Turn the heat on now, for a full cycle, while a problem is an inconvenience instead of an emergency. Listen for banging, clicking, or grinding that wasn’t there last spring. If the air smells off when it first kicks on, that’s usually just dust burning off a heat exchanger that’s been idle all summer, but it should clear within a few minutes. If it doesn’t, or if you smell something like rotten eggs, turn the system off and call.
2. Change the filter, then check it monthly
A clogged filter is the single most common reason a system works harder than it should, and it’s the easiest thing to fix yourself. Start winter with a fresh one, then check it monthly through the season. Mountain air tends to be dry and dusty, so filters here load up faster than the box usually claims.
3. Clear the outdoor unit
If you’re running a heat pump, keep it free of leaves, ice, and snowdrift so it can breathe and defrost properly. A buried or iced-over unit can’t pull heat from the outside air, which means it leans harder on backup electric heat, and your bill shows it.
4. Check the thermostat
Confirm it’s actually holding the temperature you set. If it’s programmable, look at the schedule and make sure it still matches how you’re using the house this winter, especially if your routine changed since last year.
5. Get a professional tune-up before the freeze
A DIY check catches the obvious stuff. A real tune-up catches what you can’t see: combustion tuned for this elevation, a heat exchanger inspected for cracking, electrical components tested before the cold puts real load on them. That’s the kind of check that prevents most of the mid-winter no-heat calls we get. If you want the fuller case for why this matters more up here than it would at sea level, we’ve written about how altitude changes HVAC service needs separately.
The bottom line
Test it, filter it, clear it, check the thermostat, then get it looked at by someone who can see what you can’t. Do that before the first hard freeze and winter is a lot less stressful. For more seasonal advice, our blog covers the rest of what mountain homes need from their HVAC systems year-round.
Want a pro to make sure you’re ready? Call (575) 223-1122 or book a service call. Air to Order provides HVAC services throughout Angel Fire, Taos, Mora, Cimarron and surrounding Northern New Mexico communities.