When Amana heating or cooling stops working in a San Jose home, the first thing to settle is which kind of Amana it is. Most are ducted central systems: a gas furnace or air handler indoors, an air conditioner or heat pump outside. Others are self-contained units set into an outside wall of a condo, an apartment or an added room. The parts, the checks and the fix-or-replace math differ for each.
Who builds it
Goodman, which Daikin owns, makes Amana heating and cooling equipment, and Amana and Goodman ducted units share engineering and many components. The Amana name on kitchen and laundry appliances belongs to a separate company; this page covers heating and cooling only.
What Amana makes
- Central air conditioners and heat pumps, single-stage at the simple end and variable-speed at the top.
- Gas furnaces, from single-stage models to modulating ones that adjust the flame in small steps.
- Air handlers, indoor coils and packaged units; a packaged unit puts every component in a single cabinet outside.
- Through-the-wall units (PTACs, short for packaged terminal air conditioners) and vertical versions that sit in a closet. Each one serves a single room or apartment.
The upper ducted equipment uses ComfortBridge, the same control design found on Goodman’s upper lines. Our Goodman page explains how those controls are read and adjusted.
Through-the-wall units: what fails and what gets checked
A PTAC packs a compressor, two coils, two fans, an electric heater and controls into one chassis that slides out of a metal sleeve in the wall. The checks follow a tight order:
| Symptom | First checks |
|---|---|
| Unit completely dead | The cord’s test/reset button, the breaker, the dedicated outlet |
| Cools weakly, then ices up | Filter and indoor coil, then the indoor fan motor |
| Water on the floor inside | Sleeve tilt and the drain path to the outside |
| Fan runs, no heat | Heater element and its safety cutouts |
| Rattle or squeal | A fan wheel loose on its shaft, or a worn motor |
| Hot air outside, nothing cold inside | Outdoor coil packed with dust, then the compressor and charge |
The cord on many of these units carries a leakage-current safety device, and one that keeps tripping usually points to a fault inside the unit. Dirt causes most weak cooling: the outdoor face of the chassis fills with dust over a long, dry summer.
Central Amana systems
On ducted equipment, each suspect part is proved bad before anything is ordered:
- Furnace tries to light, then quits: the flame sensor, the hot surface igniter and the pressure switch that confirms the vent is clear.
- Heat pump blows cool air in winter: a few minutes of defrost is normal. Longer than that, we look at the defrost control, the outdoor sensor and the reversing valve.
- Air conditioner hums but will not start: capacitor and contactor, tested under load.
- Water near a high-efficiency furnace: a blocked condensate trap or drain line.
On modulating furnaces and variable-speed outdoor units, the stored fault codes are read first.
Warranty records
Amana backs some ducted lines with more than a part: if a major component fails within the covered period, the whole unit may be replaced. Eligibility turns on the product line, the install date and registration, so read the warranty document for your own unit rather than the brochure. Through-the-wall units carry separate terms. For either type, hold on to the installation invoice, proof of registration and a photo of each data plate. A covered part still comes with a bill for labor and, where needed, refrigerant.
Repair or replace
For a through-the-wall unit, fans, heaters, controls and drains are repairs. A dead compressor or a leak in the sealed system usually means a new chassis, sized to the existing sleeve and wired for the same outlet. On a central system, one worn part in equipment that still heats and cools properly gets fixed. A dead compressor or a leaking coil on aging equipment is when we price the repair next to a new air conditioner or heat pump, in writing.
Local note: Berryessa
In Berryessa, housing types and building ages change from street to street. One call may be a through-the-wall unit in a condo and the next a furnace in an attic. Either way, San Jose’s hot afternoons expose weak capacitors, dirty outdoor coils and clogged chassis, and a cleaning before summer heads off most of them.