AC & Heat Repair near Circleville, OH

Keep Cool (or Warm) No Matter What Ohio Throws at You

Schedule your AC or heat repair today and ride comfortable year-round.

AC & Heat Repair in Circleville, OH

When the cab of your diesel truck turns into a sauna in July or an icebox in January, you need a shop that actually knows diesel HVAC systems inside and out. At High Rize Diesel, we handle AC & heat repair for diesel pickups, commercial vans, and medium-duty vehicles right here in Circleville, OH. Diesel climate control systems are more complex than most people realize, and diagnosing them correctly the first time saves you money and keeps you from making repeat trips to the shop. Whether your compressor has stopped engaging, your blend door actuator is sticking, or your heater core is leaking coolant into the cab, our technicians have the experience and equipment to track down the problem and fix it right.

Diesel Climate Systems Take a Beating Out Here

Ohio weather does not mess around. Between the summer humidity rolling in off Buckeye Lake and the cold snaps that hit Pickaway County in the dead of winter, your diesel’s climate control system works hard all year long. High mileage diesels are especially prone to refrigerant leaks, clogged heater cores, and failing blend door actuators because the system cycles constantly and often gets neglected during routine maintenance. We pressure-test AC systems, recover and recharge refrigerant properly, inspect the entire heating circuit, and make sure everything from the compressor clutch to the cabin air filter is in good working order. If your truck is blowing warm air on one side or barely putting out heat at all, there is a reason, and we will find it.

AC & Heat Repair Near Me

Finding a diesel shop you can actually trust with climate control work is harder than it should be. A lot of general repair shops will recharge your AC without ever diagnosing why it lost refrigerant in the first place, and you end up in the same situation six months later. At High Rize Diesel, we do not just throw refrigerant at the problem. We check for leaks, test components under load, and verify the repair before the truck leaves our lot. Whether you drive a Power Stroke, a Duramax, a Cummins, or a Mercedes Sprinter, we have the tools and the know-how to get your climate control working the way it should. If you need AC & heat repair in Circleville, OH, we are the shop that will do it right.

Book Your Appointment

From compressor replacements to heater core leaks, our technicians handle the full range of diesel HVAC repairs on pickups, commercial vans, and medium-duty trucks.

Real Trucks. Real Customers. Real Results.

See what diesel owners in Circleville and beyond have to say about their experience with High Rize Diesel.

Good Questions Deserve Straight Answers.

We have heard just about everything. If you are wondering about it, chances are someone else was too.

Why is my diesel truck's AC blowing warm air?

Warm air is usually caused by one of a few things: low refrigerant from a leak somewhere in the system, a failing compressor clutch that isn't engaging properly, or a condenser that's getting clogged with road debris. On high-mileage diesel trucks, worn o-rings and cracked hose connections are also common culprits. The only way to know for sure is to have the system inspected and pressure-tested by a technician who can trace the source of the problem.

How do I know if my diesel truck's heater core is going bad?

The most common signs of a failing heater core are a sweet, slightly musty smell coming from the vents, foggy windows that won't clear even with the defroster running, and coolant showing up on the passenger-side floorboard. In some cases, you'll also notice your engine running warmer than usual because coolant is leaking out of the system. If you're seeing any of these signs, it's worth getting it checked before a small leak turns into a bigger problem.

Can I just recharge my AC myself with a kit from the parts store?

You can, but it's usually a temporary fix at best. Those DIY recharge kits add refrigerant without addressing why it was low in the first place. If there's a leak in the system, the refrigerant will just escape again, and some of those kits contain stop-leak additives that can damage the compressor or clog your system over time. Having a shop recover, inspect, and properly recharge the system gives you a real fix instead of kicking the problem down the road.

Diesel Climate Control Experts

From compressor replacements to heater core leaks, our technicians handle the full range of diesel HVAC repairs on pickups, commercial vans, and medium-duty trucks.

A Shop You Can Actually Count On.

We built High Rize Diesel on honesty, craftsmanship, and the kind of service that keeps customers coming back with their whole fleet.

Done Right

Every repair leaves our shop the way we would want our own truck to leave it.

No Runaround

We tell you what your truck needs, what it costs, and why, before we ever pick up a wrench.

Backed Up

Our work is covered by a NAPA nationwide warranty so you are protected long after you leave our lot.

While You Are Here, Let Us Do More.

From quick maintenance to major repairs, we handle everything your diesel needs under one roof.

Honest Repairs, No Runaround

We tell you exactly what your truck needs, what it costs, and why, before any work begins. No surprises, no unnecessary upsells.

Ready When You Are.

Give us a call, send a message, or stop by the shop on US-23 and let us talk about what your truck needs.

Office

21224 US-23,
Circleville, OH 43113