A system that's short-cycling, tripping the breaker, or flashing an error code deserves a real test, not a guess. Testing happens before parts get quoted, every single call.
Most Hvac Repair calls in Crump trace back to a short list of usual suspects — a weak capacitor, a pitted contactor, a control board acting up. A proper reading separates a small fix from an expensive mistake, and we'd rather find the smaller number.
What you're actually getting.
Every tech carries a current license, EPA 608 certification, and liability coverage, and no subcontractors.
Trucks staged around Crump, TN mean quick Crump response for most requests.
The quote doesn't move once work starts.
Manifold gauges, clamp meters, and combustion analyzers ride on every truck, on every job.
Direct employees only, so accountability doesn't get lost in the handoff.
Six repairs that cover most calls.
Capacitor, contactor, thermostat signal, or charge level — tested individually, not assumed.
A failed run capacitor causes a huge share of no-start calls, confirmed with a microfarad reading, not guess and swap.
High amp draw or a seized bearing shows up as weak airflow or a burning smell before recommending replacement.
A miscalibrated thermostat can mimic a much bigger failure than it actually is before quoting anything larger.
Electronic detectors and UV dye find the actual leak point instead of masking it with a top-off, not just buy a few weeks.
Heating-side components are tested individually, since a dirty sensor is a five-minute fix.
Four steps, start to finish.
Tell us what's happening — no phone tree.
A fully equipped truck, on time.
Full diagnostic first, flat-rate quote second, your approval before anything starts.
Same-visit completion is typical.
Unedited feedback.
Run a daycare and the system started smelling like burnt plastic mid-afternoon. They walked me through shutting the breaker off over the phone before the tech even left the shop.
— D. Okwuosa, daycare director
Bought a fixer-upper and the previous owner had duct-taped a wire connection instead of fixing it properly. Tech found it during a routine call and fixed it right.
— M. Vantongeren, homeowner
Woodworking shop with dust everywhere clogs filters fast. They set us up on a shorter filter change interval instead of just telling us to buy a new unit.
— R. Castrejon, shop owner
Three visits from other companies never found the intermittent short. This tech traced it to a chewed wire in the attic in one visit.
— L. Abdirahman, homeowner
What Crump customers ask most.
Most calls get a same-day or next-morning slot, with a text once the tech is en route.
A known number before anyone shows up.
We diagnose first and explain the cause before quoting.
No, unless new work is discovered and you approve it separately.
Yes, trained and certified on both fuel types.
Whoever installed it originally and whatever nameplate is on the unit, we'll still work on it.
Repairs are backed in writing, not just a verbal promise.
Most parts arrive same-day or next-day depending on what's needed.
Yes, basic cleanup is part of the job, we don't leave debris behind for you to deal with.