Trey Eller | Heating & Cooling | AC Repair | Winston-Salem, NC

Electrical tools next to the exposed wiring of a 220v mini split unit.

How to Read a 220v Mini Split Wiring Diagram

by Trey Eller | Dec 18, 2025June 11th, 2026 | HVAC

Let’s be honest, a 220v mini split wiring diagram can look like a confusing mess of lines and symbols. It’s easy to feel overwhelmed and...

Technician performing an industrial HVAC installation on a large air handling unit.

Industrial HVAC Installation: A Complete Guide

by Trey Eller | Dec 17, 2025March 2nd, 2026 | HVAC

Are you constantly fighting inconsistent temperatures or watching your energy bills creep higher each month? These aren’t just small...

One of the best commercial ice makers on a countertop, with a scoop of fresh ice.

Best Commercial Ice Machines: 2026 Brand & Buyer’s Guide

by Trey Eller | Dec 17, 2025July 13th, 2026 | Keeping your cool

Best Commercial Ice Maker for North Carolina BusinessesChoosing the best commercial ice maker for a restaurant, hotel, healthcare facility, office,...

The visible outdoor unit of a mini split system, a key disadvantage for a home's exterior aesthetic.

Is a Mini Split System Worth It? A Full Guide

by Trey Eller | Dec 16, 2025February 15th, 2026 | HVAC

We all have that one room that’s impossible to keep comfortable. A mini-split system is often sold as the perfect, simple fix for these problem...

A mini split system on a living room wall, a key part of the cost for a 1000 sq ft home.

The Real Cost of a Mini Split System for 1000 Sq Ft

by Trey Eller | Dec 16, 2025December 16th, 2025 | HVAC

If you’re tired of fighting over the thermostat or paying to cool rooms you barely use, a ductless mini split is probably on your radar. These...

How to Read a 220v Mini Split Wiring Diagram

Industrial HVAC Installation: A Complete Guide

Best Commercial Ice Machines: 2026 Brand & Buyer’s Guide

Is a Mini Split System Worth It? A Full Guide

The Real Cost of a Mini Split System for 1000 Sq Ft

Submit a Request Form

About Us

Contact
QRC HVAC & Refrigeration

Service Area

Commercial
Service Area