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About A-Z HVAC
A-Z HVAC serves Morganton, North Carolina as a residential heating and cooling contractor holding a perfect 5-star rating across 9 client reviews. The business maintains standard weekday hours from 8 AM to 5 PM with Saturday availability until 3 PM, closed on Sundays.
What distinguishes this contractor is the technical expertise to solve problems other service providers could not diagnose. Multiple reviewers recount scenarios where John identified issues that previous contractors misidentified or missed entirely, including repairs that saved homeowners hundreds of dollars compared to inflated quotes received elsewhere.
Fred Sexton describes a multi-day system replacement where John coordinated with an electrician and inspector while installing a Wi-Fi thermostat for remote monitoring. Denise Manley Demick credits John with properly diagnosing her heating system after another contractor caused additional damage and quoted an excessive price. Erik Seagle notes John's ability to maintain an older oil furnace, work that requires specialized knowledge uncommon among modern HVAC technicians.
What Customers Say
All four full reviews award 5 stars, with each reviewer specifically naming John as the technician who delivered the service. Three reviews explicitly mention fair or competitive pricing, while two highlight diagnostic skill that exceeded previous contractors.
Working Hours
| SundayToday | Closed |
| Monday | 8 AM–5 PM |
| Tuesday | 8 AM–5 PM |
| Wednesday | 8 AM–5 PM |
| Thursday | 8 AM–5 PM |
| Friday | 8 AM–5 PM |
| Saturday | 8 AM–3 PM |
Services
Heating System Repair & Replacement
Diagnosis, repair, and full replacement of furnaces and heating systems including older oil furnaces.
Cooling System Repair & Replacement
AC repair, replacement, and installation services for residential cooling needs.
System Installation & Upgrades
Multi-day installation projects coordinating with electricians and building inspectors.
Thermostat Installation
Installation of Wi-Fi controlled thermostats with remote monitoring and temperature alert capabilities.
Ductwork & Efficiency Improvements
Recommendations and installation of duct modifications such as properly sized return vents.