Harmon Company Heating & Air Conditioning | Licensed HVAC Services in Enid, OK

3406 Craftsman Dr, Enid, OK 73703

(580) 234-5851

Main Services

  • HVAC installation or replacement
  • HVAC system repair

Frequently Asked Questions

Why does my Enid heat pump sometimes blow cold air when set to heat?

This is a frequent issue in our area and often points to a failing reversing valve. This crucial component switches your system between heating and cooling modes. Dust, debris, or electrical failure can cause it to stick. Our technicians can diagnose the valve, perform necessary cleaning or repairs, and get your system properly heating your home again.

My AC unit in Enid hums but won't start. What's likely wrong?

A humming sound without the compressor and fan starting is a classic sign of a failed AC capacitor, a very common repair call for us in Enid's hot summers. The capacitor provides the necessary jolt of electricity to start the motors. We carry common capacitors on our trucks and can typically replace it on the spot, restoring your cooling quickly.

What HVAC service is most urgent before an Enid summer?

We strongly recommend a pre-season tune-up and inspection. This allows our technicians to check critical components like capacitors and electrical connections under less strain. Catching a weak capacitor or a dirty reversing valve before the peak summer heat can prevent a costly emergency breakdown and ensure your system runs efficiently all season.

Company Background

Harmon Company Heating & Air Conditioning is a trusted, family-owned HVAC service provider serving Enid and the surrounding Oklahoma communities. We specialize in diagnosing and repairing the common local HVAC issues that Enid homeowners face, particularly heat pump reversing valve failures and AC capacitor burnouts, which are often exacerbated by our region's fluctuating temperatures and high summer demand. Our team of certified technicians provides prompt, reliable service to restore your comfort quickly, whether it's getting your heat pump to switch modes correctly or preventing a complete system shutdown from a faulty capacitor. We are committed to honest assessments, clear communication, and lasting solutions to keep your home comfortable year-round.

Business Location & Hours



Mon:Open 24 hours
Tue:Open 24 hours
Wed:Open 24 hours
Thu:Open 24 hours
Fri:Open 24 hours
Sat:Open 24 hours
Sun:Open 24 hours


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