Furnace Installation in Salt Lake City, UT

Salt Lake City sits at roughly 4,300 feet above sea level, and that elevation changes how every gas furnace operates. The thinner air at altitude means less oxygen available for combustion, which directly affects BTU output and efficiency ratings. A furnace sized using sea-level calculations will underperform here — running longer cycles, burning more gas, and wearing out faster. At Towers Plumbing, we use Manual J load calculations adjusted for Utah's altitude, your home's insulation, window orientation, and even how much afternoon shade the Wasatch Mountains throw on your lot.

We've installed thousands of furnaces across the Wasatch Front since 1942, and we've watched the technology evolve from standing-pilot units to today's modulating, variable-speed systems that hit 98% AFUE. For most Northern Utah homes, we recommend two-stage or modulating furnaces — they handle our wild temperature swings better than single-stage units. When it's 15°F overnight but climbs to 40°F by afternoon, a modulating furnace adjusts its output instead of blasting at full capacity and short-cycling. That means lower Dominion Energy bills and a furnace that lasts 20+ years instead of 12.

Every installation includes a full combustion analysis, gas pressure verification, static pressure testing on the ductwork, and carbon monoxide safety checks. We pull permits through the city or county, schedule the inspection, and walk you through your new thermostat before we leave. Our crews protect your floors, clean up completely, and haul away the old unit at no extra charge. You get a system that's properly matched to your home — not a box swap.

The two biggest decisions are fuel type and efficiency tier. Nearly every home along the Wasatch Front runs natural gas from Dominion Energy, and for good reason — gas is significantly cheaper per BTU than electric resistance heat in Utah. We typically recommend 95%+ AFUE condensing furnaces for our climate. The upfront cost is higher than an 80% unit, but the payback in Utah's 5-month heating season is fast, usually under four winters.

If your existing ductwork is undersized or leaky, we'll flag it during the pre-install survey. A new furnace pushing air through deteriorated ducts is like putting a new engine in a car with flat tires — you won't get the performance you paid for. We can seal, modify, or replace ductwork as part of the project so the whole system works together.