Air conditioning and HVAC

Cold air in July, warm air in January

A/C and HVAC repair by technicians certified in MAC mobile AC.

Call (509) 765-7863Free estimate

Why the vents blow warm

An automotive A/C system is a sealed loop: a compressor, a condenser at the front, an evaporator behind the dash, and lines and seals between them. When the air goes warm, the usual cause is a slow leak that has let the charge drop, or a part in that loop that has stopped doing its job.

Adding more refrigerant to a leaking system buys a few weeks at best. The repair that lasts is finding where the charge is going and fixing that point, whether it is a seal, a hose, the condenser or the compressor itself.

Technicians certified in MAC mobile A/C

The technicians at 1706 W Broadway are certified in MAC mobile air conditioning, and the ASE-certified master technicians who run the bays have more than 30 years of trade experience behind them. That covers the full job: leak check, recharge, and component repair when something has failed.

A/C work turns up on heavier jobs too. On one Cummins 5.9 that got a full front end rebuild, a new clutch, new motor mounts and seals, the owner finished his Google review with four words: "Even fixed the AC." It is the kind of line that tells you the crew looks at the whole truck.

HVAC is the heater and defroster side of the same system, and it gets the same attention. If the cab will not warm up on a cold Columbia Basin morning, that comes in on the same free estimate.

Keeping it cold after the repair

Moses Lake summers put an A/C system to work for months. Running it for a few minutes now and then through the winter, defrost setting included, keeps the seals lubricated and shows up a problem before the first hot week instead of during it.

The repair is backed by the full parts and labor warranty: 12 months, 12,000 miles, nationwide. If the shop needs the vehicle for a day or two, the shuttle service and text updates mean you are not guessing where your truck is.

A/C manifold gauges connected to the service ports in an open engine bay

A/C manifold gauges connected to the service ports in an open engine bay

"Even fixed the AC." C C, Google review of a 2007 Cummins 5.9 rebuild

Moses Lake WAMAC AC

Symptoms we hear at the counter

  • Warm air at the vents

    Low charge from a slow leak, a compressor that is not engaging, or a failed part in the loop.

  • Weak airflow on every fan speed

    Often a blower, a clogged cabin filter or a blocked duct, not the refrigerant at all.

  • A clatter or whine when the A/C switches on

    Commonly the compressor or its clutch, which is worth catching before it fails.

  • Heat that never gets warm

    The HVAC side covers the heater too: coolant flow, a heater core or a stuck blend door.

If the A/C complaint comes with an overheating gauge, the radiator and cooling side is the next place to look; that work lives under maintenance and tune-ups. Running a diesel or work truck? The diesel repair page shows the kind of trucks we see. Send the year, make and model through the contact page or ring (509) 765-7863.

Related services

Maintenance and tune-upsDiesel repairEngine repairAll services