Frequently Asked Questions

Utah's extreme seasonal range—summer highs over 95°F and winter lows below 10°F—requires systems that handle both heating and cooling loads without oversizing. Oversized equipment cycles too frequently, reducing efficiency and lifespan. Proper sizing accounts for insulation, orientation, and both seasonal peaks to maintain year-round comfort.

If your system is over 15 years old and repair costs exceed 50% of replacement value, replacement typically makes financial sense. Aging systems lose efficiency, use outdated refrigerants, and face increasing part failures. Factor in rising energy bills and frequency of recent repairs when deciding.

Heat pumps require ductwork and condition the entire home through a central unit. Mini-splits are ductless, offering zoned control for individual rooms or additions. Both provide heating and cooling, but mini-splits install faster in spaces without existing ducts and allow different temperature settings per zone.

These spaces typically lack ductwork, making traditional HVAC extensions expensive and disruptive. Mini-splits mount directly on walls with only a small refrigerant line penetrating exterior walls. They provide both heating during Utah winters and cooling during summer without modifying existing duct systems or losing conditioned air to unconditioned attics.

Blocked vents, undersized ductwork, leaking ducts in attics or crawlspaces, and improper system zoning all create hot and cold spots. Air balancing issues occur when supply registers don't match room heating and cooling loads. Rooms over garages or on upper floors often show the biggest temperature differences.

Annual pre-season inspections in spring catch minor issues before temperatures spike above 90°F. Technicians clean coils, test refrigerant charge, check electrical connections, and verify airflow during tune-ups. These checks prevent mid-season breakdowns when repair demand is highest and outdoor temperatures make system failures uncomfortable.

Technicians inspect and clean critical components, test system operation under load, check refrigerant levels, verify electrical connections, measure airflow, and examine heat exchangers or coils for wear. Testing identifies performance issues before they cause failures. Documentation tracks system condition over time and flags components nearing end of service life.

Complete replacement includes removing old equipment, sizing new systems to current heating and cooling loads, installing indoor and outdoor units, connecting refrigerant lines, integrating with existing ductwork or installing new runs, wiring thermostats, testing operation, and verifying airflow meets design specifications.

Scheduled inspections identify worn components before they fail during business hours. Replacing belts, capacitors, and contactors during planned maintenance prevents unexpected shutdowns that disrupt operations. Regular filter changes and coil cleaning maintain airflow, preventing strain that accelerates equipment wear and triggers emergency service calls.

Restricted airflow signals clogged filters, blocked return grilles, closed dampers, undersized ductwork, or blower motor issues. Dirty evaporator coils also restrict air movement. Reduced airflow forces systems to run longer, increases energy use, and causes uneven heating or cooling. Frozen coils during cooling season often result from airflow restrictions.

Low refrigerant from leaks, restricted airflow from dirty filters or blocked returns, and malfunctioning blower motors all drop coil temperatures below freezing. Ice buildup blocks airflow further, compounding the problem. Systems blow warm air and lose cooling capacity until the ice melts and underlying issues are corrected.

Yellow or flickering pilot flames instead of steady blue, unusual odors when heating starts, delayed ignition or frequent cycling, uneven heating between rooms, and increasing energy bills all indicate problems. Strange noises like banging or squealing signal mechanical issues. Address these before temperatures drop and heating becomes essential.

Many AC complaints — short cycling, rooms not reaching the set temperature, or the system not turning on — actually trace back to the thermostat rather than the unit itself. Signs include the thermostat screen going blank, a temperature reading that doesn't match the room, or the AC not responding to setting changes. A proper diagnostic checks the control side first before opening the equipment.

Misdiagnosing a thermostat problem as a mechanical AC failure can lead to unnecessary parts replacement and repeated service calls. A technician who troubleshoots the electrical and control side accurately saves time and money by fixing the real cause on the first visit, which matters especially during West Valley City's peak summer heat.

Look for a company that handles the full control-and-equipment relationship — one that can diagnose whether a symptom originates in the thermostat, the wiring, or the AC unit itself. A team experienced in both sides of the system avoids the guesswork that leads to repeat visits and unresolved comfort problems.

Yes, True HVAC provides 24/7 emergency and same-day AC repair for both residential and commercial customers in West Valley City and the surrounding Utah communities. Technicians are available around the clock, so you're not left waiting through a hot Utah night or a full business day when your system goes down.

Call True HVAC any time of day or night — the team handles after-hours emergencies and can dispatch a technician to your location. When you call, have your address, a brief description of the problem, and your system's make and model ready so the technician arrives prepared to get your AC running as quickly as possible.

True HVAC offers same-day and after-hours emergency response for both heating and cooling failures in West Valley City and surrounding communities including Taylorsville, Magna, Kearns, Holladay, and North Salt Lake. When you call, have your system's make and model handy along with a description of the problem so the technician can arrive prepared to diagnose and repair on the spot.

True HVAC is a local HVAC contractor serving West Valley City and the surrounding Salt Lake area, handling everything from routine AC tune-ups and furnace repairs to full system replacements. Choosing a contractor based in your area means faster response times and familiarity with the demands Utah's climate places on heating and cooling equipment.

Yes — True HVAC handles emergency heating repairs, air conditioning service, and scheduled maintenance for homeowners and businesses in West Valley City and nearby communities. Having one contractor cover both systems means your service history is consistent and a technician already knows your equipment when an urgent call comes in.

Faulty wiring connections, dead batteries in battery-powered units, miscalibrated temperature sensors, and failed relay contacts are the most frequent problems. Loose low-voltage wires at the terminal block cause erratic system behavior, while a drifting sensor makes the thermostat call for heat or cooling when the room doesn't actually need it.

Many issues — loose wires, dirty contacts, and dead batteries — are repairable on the spot. When the internal sensor has drifted beyond calibration range, the control board has failed, or the unit is incompatible with a new HVAC system, replacement is more cost-effective than repair. A technician can determine which applies after a quick diagnostic.

Low-voltage thermostat wires carry signals to the furnace control board that trigger heating, cooling, and fan operation. A loose R wire cuts power to the thermostat entirely; a shorted Y or W wire can lock the system in heating or cooling mode. Corroded terminals cause intermittent failures that are harder to diagnose than complete shutdowns.

Sensor drift, nearby heat sources like lamps or electronics, direct sunlight hitting the unit, and drafts from nearby vents all cause false readings. A thermostat mounted in a hallway far from living spaces can read several degrees cooler than where occupants actually sit. Recalibration or relocation corrects most accuracy problems without full replacement.

Most smart thermostats require a common wire — called a C-wire — to power Wi-Fi and display functions continuously. Older two-wire heating systems and some heat pumps lack this wire, requiring an adapter kit or a different model. Checking your existing wiring configuration before purchasing prevents installation problems and return trips.

Most thermostats last 10 to 15 years under normal use. Mechanical models with metal contact strips wear out faster from repeated cycling, while digital units fail more often from electrical surges or software issues. In Utah's dusty climate, internal contacts collect debris over time, accelerating wear and causing erratic temperature control before outright failure.

When the furnace runs continuously without reaching your setpoint, the thermostat is often miscalibrated or reading ambient temperature inaccurately. Heat gain from direct sun on the device or a sensor offset makes the thermostat think the room is warmer than it is, cutting the heat call short. Recalibration or relocation typically restores normal operation.

Replacing batteries and checking that wires are seated in their terminals are safe homeowner tasks. Anything involving low-voltage wiring connections, control board diagnostics, or compatibility checks with multi-stage heating and cooling systems benefits from professional service. Miswiring a heat pump thermostat can reverse valve operation or damage the control board.

Calibration corrects the offset between what a thermostat's sensor reads and the actual room temperature. It's needed when a thermometer placed near the unit shows a difference of two or more degrees, when the system overshoots or undershoots setpoints consistently, or after the thermostat is moved to a new location with different ambient conditions.

Placement on exterior walls, near windows, or above heat-generating appliances skews temperature readings and forces systems to run inefficiently. In West Valley City's climate — where winter nights drop below freezing and summer afternoons exceed 95°F — a poorly placed thermostat can add measurable cost to monthly energy bills by triggering unnecessary heating or cooling cycles.