Air Care repairs, replaces and maintains gas furnaces, heat pumps and thermostats for homes across Kuna, from established homes near Indian Creek to new homes on the edge of town, & more. We are a licensed Idaho HVAC contractor, and emergency service is available 24/7. Call (208) 939-2566 to schedule service.
Rheem equipment installed and servicedNo heat? Call now, or schedule a fall tune-up before the first freeze.
Signs your furnace needs repair
Dry cold and inversion layers that trap freezing air against the ground push heating systems hard in Kuna, and most furnace failures land during the deepest freeze of the season. Call (208) 939-2566 when you notice:
- Cold air from the vents while your furnace runs
- An inducer fan that runs while the burners never light
- A click at startup, then silence
- Groaning, squealing or a cabinet that shakes when the blower starts
- Burners that keep shutting off before your home warms up
- A yellow burner flame instead of a blue one
How we diagnose and repair a furnace
We repair every major make and model of heating equipment, in homes from a ranch property near the Birds of Prey Conservation Area to a modern family home in town, and we diagnose with digital manometers, multimeters and combustion analyzers.
Igniters and flame sensors
Hot surface igniters take a thermal shock every time your thermostat calls for heat, and over time they crack or burn out. If the inducer fan runs but the burners never light, or you hear a click followed by silence, the ignition system is the usual cause. Our technicians carry replacement igniters and control boards. We also clean and align the flame sensor, a small rod that collects oxidation and makes your furnace think the burners never lit.
Blower motors and capacitors
A failing blower motor groans, squeals, shakes the cabinet or will not start, and without airflow the heat exchanger overheats until the high-limit switch shuts your furnace down. We measure the motor's amperage draw against the manufacturer's rating, test the run capacitor that starts it, and can often replace a seized motor on the spot.
Limit switches and safety controls
The high-limit switch shuts off the burners when the air inside your furnace gets too hot, usually because of a clogged filter, closed vents or restricted ductwork. A switch that trips again and again wears out. We test every safety control for continuity and voltage, and when a limit switch is tripping we find the cause before we replace it, so the new switch lasts.
Heat exchangers and carbon monoxide
Years of heating and cooling can crack the seams of a heat exchanger, and a crack can let carbon monoxide into the air you breathe. We inspect the heat exchanger with a camera for cracks, rust and soot, and run a combustion analysis that measures CO in the flue gas and the supply air. If we find a cracked heat exchanger or a CO leak, we shut the furnace down and tag it so it is not run until it is repaired or replaced.
Repair or replace
A gas furnace in the Kuna climate typically lasts 15 to 20 years. If yours is near that age, needs an expensive repair to the blower or control board, or keeps pushing your gas bill up, we show you the repair-versus-replace math. When a repair costs half the price of a new system or more and the unit is out of warranty, replacement is usually the better choice. So is a furnace that needs a different repair every winter.
Efficiency is rated in AFUE, the share of the gas you buy that becomes heat in your home. Older furnaces in Kuna often run at 60 to 70 percent. New standard-efficiency furnaces start at 80 percent, and high-efficiency condensing furnaces reach up to 98 percent. Single-stage furnaces run on or off; two-stage furnaces run on low through most of the winter and switch to high in a cold snap; modulating furnaces adjust their output in steps as small as 1 percent and hold your temperature within a fraction of a degree. We help you calculate the long-term savings of a high-efficiency model.
How we install
We size every new furnace to your home's square footage, attic and wall insulation, window quality and the direction your home faces. An oversized furnace short cycles and leaves hot and cold spots; an undersized one runs all night and never reaches the set temperature.
Your new furnace goes in level and supported to cut vibration and noise. For a high-efficiency condensing furnace we run dedicated PVC intake and exhaust pipes and make sure the acidic condensate drains properly. We check the gas connection for leaks, install a sediment trap (drip leg) ahead of the gas valve, verify electrical polarity and grounding, and fit sheet metal transitions to your supply and return plenums sealed with mastic. We handle the permit and the final safety check.
Fall tune-ups
A precision tune-up every fall is how you avoid a no-heat night in January. We test for carbon monoxide, inspect the flue for corrosion and blockages such as bird nests, clean the burners and the flame sensor, measure the temperature rise against the manufacturer's range, check the gas pressure at the manifold, and check the blower capacitor and amp draw. If a part is drifting out of spec, you hear about it before it fails.
Heat pumps and dual fuel
A heat pump moves heat from the outdoor air into your home and keeps working below freezing. For many Kuna homes, especially properties without a natural gas line, we pair one with a gas or propane furnace as a dual-fuel system: the heat pump carries the milder days of fall and early winter, and the furnace takes over when the temperature drops into the teens.
Thermostats and air quality
We install, wire and program Google Nest and Ecobee smart thermostats, including a C-wire for constant power, and we fix blank screens, loose connections and thermostats that read the wrong temperature. For a home with a hot upstairs and a cold downstairs, we install zoning: motorized dampers in your ductwork, each zone on its own thermostat.
Heating your home through a Kuna winter dries out the air inside. Our whole-home humidifiers connect to your furnace and hold indoor humidity in the 35 to 45 percent range, and our air filtration systems catch the dust and pollen that stay indoors through a long winter.
Kuna questions
How often should I change my air filter in Kuna?
Kuna is a high-dust environment due to surrounding agriculture and new construction. We strongly recommend checking your furnace filter every 30 days during the heating season. If you use a standard 1-inch pleated filter, monthly replacement is often necessary to prevent airflow restriction. If you have a high-capacity 4-inch media filter, it may last 3 to 6 months. A clean filter is the easiest way to prevent furnace repair.
Do you service propane furnaces in Kuna?
Yes, absolutely. Many homes in the more rural areas of Kuna rely on propane (LP) for heating. Our technicians are fully certified to install, repair, and maintain both natural gas and propane systems. We can also assist with conversion kits if you are switching fuel sources.
Why is my furnace blowing cold air?
If your furnace is blowing cold air, first check your thermostat to ensure the fan is set to "AUTO" and not "ON." If it is on "AUTO," check your filter; a clogged filter can trip the high-limit switch, turning off the burners while the fan keeps running. If these aren't the issue, you may have a problem with the flame sensor or ignition system, requiring professional heating service.
Is a heat pump a good idea for the Kuna climate?
Yes, modern cold-climate heat pumps are very effective in Kuna. They are incredibly efficient during our cool fall and spring months. However, because temperatures can drop into the single digits, we often recommend a Dual Fuel system (Heat Pump + Gas/Propane Furnace) to ensure you have powerful backup heat during the coldest inversion weeks.
What should I do if I smell gas near my heater?
If you smell a "rotten egg" odor, you may have a gas leak. Do not turn any electrical switches on or off. Evacuate the home immediately and call Intermountain Gas or 911 from a safe distance. Once the gas is shut off and the area is safe, call Air Care to perform a pressure test and repair the gas line or furnace valve.
How long does a furnace installation take?
A standard Kuna furnace replacement typically takes one day (6 to 8 hours). If we are modifying ductwork, adding a zoning system, or moving gas lines, it may take slightly longer. We always work efficiently to ensure you are not left without heat overnight.
Nearby
Service hub: Furnace repair and replacement
