A Plus Air HVAC

Is your AC blowing warm air or your furnace leaving you shivering? Don't sweat it or freeze—our team of NATE-certified technicians is ready to diagnose and resolve any issue quickly. We specialize in repairing all major brands, from Carrier to Trane to Mitsubishi. Our process begins with a thorough system inspection using advanced thermal imaging and pressure testing to pinpoint the root cause—not just the symptoms. Whether it's a failed capacitor, a refrigerant leak, a faulty thermocouple, or a...

Regular maintenance is the secret to a long-lasting, efficient HVAC system—and lower energy bills. Our preventive maintenance plans are designed for busy homeowners and commercial facility managers in Los Angeles who want peace of mind. For as low as $79 for a summer AC tune-up, our Precision Tune-Up includes a 21-point inspection: we clean coils, check refrigerant levels, tighten electrical connections, lubricate moving parts, test safeties, and calibrate your thermostat. For heating, our Winte...

For restaurants, grocery stores, and food service businesses in Los Angeles, refrigeration failure means lost inventory and revenue. A Plus Air HVAC provides fast, reliable commercial refrigeration repair and maintenance to keep your walk-in coolers, freezers, ice machines, and reach-in units operating at precise temperatures. Our technicians are trained in supermarket refrigeration systems, including multiplex racks, EEVs, and advanced controls. We understand that downtime is not an option. Tha...

When your old air conditioner is beyond repair or costing too much to run, a new, energy-efficient installation is a smart investment. A Plus Air HVAC specializes in whole-home and light-commercial AC installation and replacement across Los Angeles. We start with a free in-home load calculation (Manual J) to size the system perfectly—neither oversized (which cycles too often) nor undersized (runs constantly). We are proud to install top brands like Carrier, Trane, Goodman, Rheem, Bryant, and Mit...

A Plus Air HVAC is a full-service heating, cooling, and refrigeration contractor serving homes and businesses across Los Angeles since 2006. Our technicians handle everything from a quick furnace fix in the middle of winter to a complete commercial refrigeration overhaul. We explain every job in plain English before we start, show you the problem, and give you clear options. Our crews arrive on time, treat your property with care, and aim to keep your system running efficiently so your utility b...

When your air conditioner stops cooling or runs without reaching temperature, we start with a full system inspection to find the actual cause rather than just the symptom. Our NATE-certified technicians work on all major brands, and we arrive with a well-stocked truck so most repairs are finished in one visit. We'll walk you through what we found, lay out your options, and quote a fixed price before any work begins. Our service reaches customers in Orange County, and we aim to get your cooling b...

A furnace that won't ignite, blows cold air, or cycles on and off needs prompt attention, especially in a Los Angeles winter. Our technicians test combustion, check the heat exchanger, and inspect controls, igniters, and blower motors to pinpoint the fault. We carry common parts on the truck, so many repairs are completed during the first visit. You'll get a clear explanation and a fixed price before we begin, with no surprises. We also check carbon monoxide levels as part of the job, since your...

Restaurants, markets, and food service operations depend on refrigeration that holds steady temperatures around the clock. We service walk-in coolers, freezers, ice machines, and reach-in units, including supermarket-style multiplex racks and electronic expansion valve systems. Common problems we fix include compressor failures, evaporator fan motor issues, defrost timer faults, and refrigerant leaks. We follow EPA-certified practices for refrigerant handling and can help retrofit older equipmen...

If your current air conditioner is past repair or driving up your energy bills, a properly sized replacement can make a real difference. We begin with an in-home load calculation so the new system matches your home, avoiding units that are too large or too small. We install brands including Carrier, Trane, Goodman, Rheem, Bryant, and Mitsubishi Electric ductless systems. Our installation covers removing the old unit, sealing and testing duct connections, setting up a new thermostat, and programm...

A heating system that gets checked before the cold season is less likely to fail when you need it most. Our heating maintenance visits cover a thorough inspection, cleaning, and safety testing of your furnace or heat pump, including combustion analysis on gas units and carbon monoxide testing. We tighten electrical connections, lubricate moving parts, and confirm your thermostat is calibrated. Homeowners and building managers in Los Angeles can choose a maintenance plan that schedules these visi...

Dust, pet hair, and debris can build up inside ductwork and get pushed into the rooms you live and work in every time the system runs. Our duct cleaning service removes that buildup so air moves more freely and your system doesn't have to work as hard. We also inspect the ducts for leaks and damage, since leaky ducts waste conditioned air and raise energy costs. For Orange County homes and businesses, we can clean ducts on their own or as part of a new system installation. If you notice dust aro...

A cooling system that's making noise, short cycling, or not keeping up on hot Los Angeles afternoons needs a prompt diagnosis. We check refrigerant levels, capacitors, contactors, fan motors, and electrical components to find what's really wrong. Our technicians carry the common parts needed for most repairs, so we can often finish the job in a single visit. Before any work starts, we explain the problem, show you the options, and give you a fixed price. We work on all major brands, and our goal...