Simple ways to keep your furnace running efficiently this winter
Cold nights along the east bench hit hard. A furnace in Sandy works long hours from late October through March, especially in neighborhoods like Alta View, Pepperwood, and Crescent. A few simple habits can cut breakdowns, lower gas bills, and keep rooms warm without hot-and-cold swings. Here is a practical, local playbook from technicians who service furnaces across Sandy every day.
Start with a clean filterMost mid-efficiency gas furnaces in Sandy use a 1-inch disposable filter. Dust builds up fast in dry winter air. A clogged filter restricts airflow, which makes the heat exchanger run hotter and shortens blower life. It also drives up energy use because the furnace runs longer to reach the setpoint.
Check furnace companies in Sandy Utah the filter monthly during heating season. If it looks gray or you cannot see light through it, replace it. Households with pets or ongoing remodel dust may need changes every 3 to 4 weeks. Media cabinets that use 4- to 5-inch filters can often go 3 to 6 months, but they still deserve a visual check.
Set the thermostat for steady comfortLarge temperature swings waste energy and make rooms feel drafty. Most homes in Sandy do well with a steady setpoint around 68 to 70°F when occupied, with a small setback of 2 to 4 degrees at night. Bigger setbacks can lead to long morning recovery times, frozen toes, and higher gas usage.
If the thermostat is older than 10 years or if it overshoots the target, consider a modern programmable or smart thermostat that supports gas furnace staging and blower control. Place the thermostat on an interior wall away from supply vents and direct sunlight. A thermostat in a cold hallway near the garage door will call for heat too often.
Keep supply and return vents open and clearClosing vents to “force heat” to other rooms often backfires. It raises static pressure in the duct system, which strains the blower motor and can trip limit switches. Keep at least 80 to 100 square inches of free return grille area per ton of system capacity. In practical terms, do not block returns with furniture, baskets, or wall hangings.

Vacuum visible dust from registers and returns every few weeks. If you see matted dust or debris an inch or more inside the grille, schedule a system inspection. The issue could be poor filtration, leaky return ducts, or a filter slot without a proper cover.
Protect combustion air and ventingGas furnaces need proper combustion air and a clear flue. In Sandy, ice from roof melt can form at the vent termination after storms. If you have a high-efficiency furnace with PVC intake and exhaust, check for snow, leaves, or insect nests at the termination. Keep a clear 12-inch radius around both pipes.
In older homes with furnaces in the utility room, make sure combustion air louvers are open and not painted shut. A starving burner can cause yellow flames, soot, and carbon monoxide risk. If you smell exhaust or see rust streaks near the draft hood, call for service right away. This is a safety item, not a DIY fix.
Humidity control matters in Utah’s dry winter airDry air can make 68°F feel cool and drive the thermostat higher. Aim for indoor relative humidity around 30 to 40 percent when outside temperatures sit between 20 and 40°F. Whole-home humidifiers can help, but they must be set and maintained correctly. A leaking bypass humidifier can send mineral-laden water into the blower cabinet and rust the heat exchanger base.
If the home uses a portable unit, place it near a return grille to distribute moisture evenly. If you already have a whole-home humidifier on the furnace, replace the pad at the start of heating season and verify the water feed shuts off when the blower stops.
Watch and listen for early warning signsMany furnace repairs start as small symptoms. Catching them early can prevent a no-heat situation on a single-digit night.
Short cycling: The furnace starts and stops frequently. Often due to a dirty filter, blocked venting, or a failing flame sensor. New noises: Rattles, booms, or high-pitched whines suggest loose panels, delayed ignition, or a bearing issue in the inducer or blower. Uneven rooms: Could point to duct leaks in the crawlspace, a weak blower capacitor, or low return air. Rising bills: If usage is up 10 to 20 percent with similar weather, airflow or combustion may be off. Yellow or wavering burner flames: Requires immediate attention. Proper flames are steady and mostly blue with small yellow tips.If any of these show up, search for furnace repair Sandy Utah and contact a licensed technician. Fast diagnosis avoids bigger parts failures.
Seal the easy duct leaksDuct leaks are common in garages, basements, and crawlspaces across Sandy’s older homes. Warm air slipping out before it reaches the rooms makes the furnace run longer. Focus on visible joints near the furnace, around the filter slot, and at takeoffs. Use mastic or UL-181 foil tape, never cloth duct tape. A simple filter slot cover or magnetic strip over the gap can stop a major bypass leak and improve comfort on the far end of the house.
Keep the outdoor meter and intake clear after stormsHeavy lake-effect snow can bury gas meters and high-efficiency vent terminations. Brush snow away from the meter regulator and from any sidewall vent pipes. Do not chip ice with metal tools on the regulator. A blocked vent can trip a pressure or rollout switch and lock the furnace out until it is cleared and reset.
Schedule professional maintenance before the deep freezeA trained technician checks items that homeowners cannot safely evaluate, such as combustion, safety limits, and motor performance. During a routine fall tune-up, Western Heating, Air & Plumbing technicians in Sandy complete key tasks:
Test flame signal and clean the flame sensor. Measure temperature rise and static pressure to confirm airflow. Inspect the heat exchanger and burner alignment. Verify inducer and blower motor amperage and capacitor health. Confirm venting integrity and check for carbon monoxide.A maintenance visit often runs less than a single emergency call. Catching a weak igniter or a tired capacitor in November prevents a weekend outage in January.
Filter types: what works best hereMost Sandy homes do well with MERV 8 to 11 filters. MERV 13 can capture finer particles, but it can also restrict airflow in systems without oversized returns. If family members have allergies, a MERV 11 pleated filter paired with good return duct sealing is a balanced choice. Avoid cheap fiberglass filters unless a technician advises them for a specific airflow issue. Whistling at the filter rack is a sign of air gaps; add a gasket or upgrade the rack.
Thermostat and fan settings that actually helpLet the furnace control the blower during heat calls. Running the fan in “on” mode can mix air but may feel cool at the vents between heat cycles. If the home has cold spots, try “circulate” or a 15-minute-per-hour fan program. For two-stage or variable furnaces common in newer Sandy builds, enable stage control so the system can use low fire on mild days. This reduces temperature swings and noise.
Practical energy habits for Sandy wintersSmall changes add up over a long heating season. Open south-facing blinds on sunny afternoons to gain free heat, then close them at dusk to hold it. Use bathroom fans for short bursts; running them for an hour can pull warm air out of the house. Add door sweeps on drafty exterior doors and seal the attic hatch. If a basement room never warms up, a simple manual balancing damper adjustment can redirect airflow without touching the trusted furnace companies in Sandy Utah furnace.
When to call for furnace repair in SandyHomeowners can handle filter changes, vent checks, and thermostat settings. Call a professional for any gas smell, ignition failure, repeated error codes, water around the furnace, or tripped breaker. If the furnace is 15 to 20 years old and repairs are frequent, ask for a repair-versus-replace assessment with actual numbers: current repair cost, expected remaining life, and gas savings from a modern unit. Western Heating, Air & Plumbing provides that detail so homeowners can decide with clear information, not pressure.
Why local experience mattersSandy’s elevation and winter swings affect venting, combustion air, and static pressure. Homes near Dimple Dell may face stronger winds on sidewall vents. Older Pepperwood homes often have long return runs that need attention during maintenance. A local team that sees these patterns daily can diagnose faster and recommend fixes that hold up through our snow cycles.
Ready for reliable heat?Western Heating, Air & Plumbing serves Sandy and nearby areas with fast, clear communication and on-time arrival. If a furnace shows warning signs or stops on a cold night, search furnace repair Sandy or call the team for same-day service. For maintenance, book a fall tune-up so the system runs strong from the season’s first cold snap. A warm, even home is the goal, and it starts with simple habits and the right local support.
Western Heating, Air & Plumbing provides HVAC and plumbing services for homeowners and businesses across Sandy and the surrounding Utah communities. Since 1995, our team has handled heating and cooling installation, repair, and upkeep, along with ductwork, water heaters, drains, and general plumbing needs. We offer dependable service, honest guidance, and emergency support when problems can’t wait. As a family-operated company, we work to keep your space comfortable, safe, and running smoothly—backed by thousands of positive reviews from satisfied customers.
Western Heating, Air & Plumbing
9192 S 300 W
Sandy,
UT
84070,
USA
231 E 400 S Unit 104C
Salt Lake City,
UT
84111,
USA
Phone: (385) 233-9556
Website:
https://westernheatingair.com/,
Furnace Services
Social Media:
Instagram |
Facebook |
BBB
Map: View on Google Maps