Furnace and A/C guides for Salt Lake City homeowners
Plain answers about the heating and cooling problems we actually see in Salt Lake City homes, written by our own team.
Every guide we have written
When should you winterize your swamp cooler in Utah?
The late-September-to-October window, what a real shutdown includes, and what skipping it costs in spring — pads, pumps, split lines and all.
Read more →How often should you change your furnace filter in Utah?
The real cadence for Utah homes — 1″ every 3 months, 5″ media about every 6 — plus the filter-aisle mistake that quietly chokes your airflow.
Read more →What to check before you call for A/C or furnace repair
A 2-minute checklist — power, thermostat, ice on the lines, the outdoor unit, the filter, the vents — plus a free checklist you can save to your phone and exactly when to stop and call a pro.
Read more →A/C not cooling? 7 things to check first
Thermostat, power, filter, ice on the lines, the outdoor fan — the seven things worth checking before you call, and when it’s past a DIY fix.
Read more →Bad airflow? Check your filter and vents first
A dirty or backwards filter and closed-off vents cause more airflow problems than any failing part. Here is what to check yourself, and how to tell when it is something bigger.
Read more →What should a technician check during a tune-up?
Static pressure, airflow CFM, a camera inspection, carbon monoxide readings, capacitors and amp draws are what a real tune-up measures. Here is everything covered by a $110 health inspection, so you know exactly what to expect.
Read more →Do I need a hard start kit?
Only if your measured startup amps exceed the FLA rating on the nameplate. Here is what your technician should show you before you pay for one.
Read more →3-story home? Even out the temperature between floors
If the top floor bakes while the basement stays cold, one thermostat setting — running the fan about 15 minutes an hour — mixes the air between floors. Here is how to set it, and the one catch.
Read more →Why insulating attic & crawlspace ducts beats sealing
If your ducts run through a hot attic or cold crawlspace, insulation does more than sealing ever will — here’s why, and the signs your ducts need it.
Read more →Is Aeroseal worth it?
The truth about pricey inside-the-duct sealing — whether it actually works, what it costs, and the smarter, cheaper way to seal the ducts that really need it.
Read more →A/C capacitor problems: signs, testing & catching one early
The cheap part that takes out the expensive ones — signs of a bad capacitor, how it’s tested (dual-run MFD), and why catching a weak one early saves your motor and compressor.
Read more →Do you really need duct cleaning?
A straight answer: your ducts usually aren’t the problem. Here’s where your airflow actually gets choked — and where your money is better spent.
Read more →A cracked furnace flue is a CO risk
A leaking furnace exhaust can put carbon monoxide where it doesn’t belong. Here is what we look for, and why a carbon monoxide test is part of every furnace job.
Read more →The outdoor A/C disconnect, done right
That little box beside your A/C is a required safety device, and plenty of them turn up burned or corroded. Here is why it matters and what a clean fix looks like.
Read more →What a proper HVAC install actually looks like
A new system is only as good as the install. Here’s what to look for — right-sizing, commissioning — and what to ask whoever quotes you.
Read more →Why we replaced this filter drier
We found a leak — and replacing the filter drier was non-negotiable. Here’s what it does and why it gets replaced any time the system is opened.
Read more →Cleaning a secondary heat exchanger
A caked heat exchanger chokes airflow and wastes fuel. See the before-and-after and what cleaning it does for comfort and efficiency.
Read more →How much does a new furnace cost in Utah?
A clear 2026 breakdown of furnace replacement pricing in Salt Lake City — what really drives the price, which efficiency tier fits, and how to avoid overpaying.
Read more →Why is my A/C freezing up?
Ice on the coil or the copper lines almost always comes down to airflow or refrigerant. Here is what you can safely check yourself, and why “just add refrigerant” is the wrong fix.
Read more →Furnace won’t turn on? 7 things to check
When the furnace will not fire, run through these seven quick checks — thermostat, power, filter, gas and the blower door switch — before you call, plus how to tell when it is time for a technician.
Read more →Why is my upstairs so hot? (And how to actually fix it)
When the upstairs runs hot and the basement runs cold, here is what is really going on — and the fixes (air balancing, attic duct sealing and insulation) that beat buying a bigger A/C.
Read more →The two parts that quietly kill your furnace & A/C
Your evaporator coil and secondary heat exchanger are the parts you never see — and the ones that cost you the most when they get dirty.
Read more →Heat pump vs. A/C + furnace in Utah
A clear breakdown of which system actually fits your Salt Lake City home, your bills, and the rebates you could capture.
Read more →Emergency repair, days, evenings and weekends
Some problems need a technician with gauges on the system. Canyon Comfort is run by the owner, who takes after-hours calls from Ogden down to Provo and out to Heber, and every visit is priced up front so you know the rate before anyone comes out. Call or text in the morning and we can usually be at your house the same day, inside the windows below.
A/C or furnace service call
Monday through Friday, 7:00am to 6:00pm. Weeknights until 10:00pm and all weekend add $40.
Health inspection
A/C or furnace, each with a written System Health Report you keep. Both systems together is $180.
See the difference a careful job makes
Real Canyon Comfort jobs from around Salt Lake City.
Use the arrows to browse our work — tap a photo to read its story.
Got an HVAC question?
Ask it on the online quote page: a real answer, a second opinion, or a firm quote, whichever you need.
Ready to have someone look at it?
Canyon Comfort takes emergency A/C and furnace calls Monday through Friday from 7:00am to 10:00pm, Saturday from 8:00am to 10:00pm, and Sunday from 8:00am to 9:00pm. Call or text in the morning and you can have a technician at the house the same day. We take on multi-day repairs — diagnosed completely, quoted in full, and finished by us.
Portable A/C rental while you wait on a repair
Usually same-day: two high-efficiency portable units and a portable swamp cooler, $150 plus $20 a day.