The Best HVAC in Las Cruces

On The GO Heating & Cooling earns top marks for straightforward pricing and technicians who solve complicated problems other shops gave up on.

By The Scoop Editorial Team · How we pick · Updated July 2026

HVAC in Las Cruces
Editor's Pick

On The GO Heating & Cooling

★★★★★ 4.9 · 283 reviews

Open 8 AM–5 PM daily

  • Licensed
  • Insured
  • Warranty

On The GO tackles the jobs other shops walk away from. One customer called half a dozen companies to fix a complicated A/C issue, paid them all, and watched each one fail. On The GO kept at it until the system ran right. Technicians show up on time, explain every step, and refuse to push unnecessary upgrades. Customers mention furnace inspections, central air tune-ups, thermostat programming, and winterization work done quickly with no household disruption. The shop runs seven days a week, so emergency calls get handled fast. Pricing stays fair and transparent, which locals appreciate after dealing with upselling elsewhere. Service wraps with a clean work site and equipment running exactly as it should.

"The ONLY company that was relentless in pursuit of the solution and 100% honest…"Verified review
Best for: persistent troubleshooting on stubborn systems
Call Now (575) 642-1708 Visit Website

408 W Amador Ave, Las Cruces

On The GO Heating & Cooling, HVAC in Las Cruces
On The GO Heating & CoolingPhoto: Robert

408 W Amador Ave, Las Cruces

TOP OF THE TOWN LAS CRUCES, NM THE SCOOP HVAC
2No. 2 in Las Cruces

Sun City Plumbing & Heating

★★★★★ 4.9 · 1597 reviews

Open 24/7

  • NATE Certified
  • Trane Comfort Specialist
  • Since 1984
  • Warranty

Sun City runs HVAC and plumbing service around the clock, with residential and commercial crews ready for emergencies or routine work. The service membership includes two annual check-ups, and financing covers big jobs like full system replacements. Military discounts apply. Technicians arrive on time, walk through every option, and leave the site spotless. Emergency calls get priority scheduling. Non-emergency appointments can take a few weeks during peak season, especially for maintenance, so book early if it's not urgent. The shop handles everything from filter swaps to full furnace installs, and weekend emergency service keeps homes and businesses running when breakdowns hit outside normal hours.

"They are one of the few businesses where I don't dread scheduling an appointment…"Verified review
Best for: after-hours emergencies and membership plans
Call Website

3479 W Picacho Ave, Las Cruces

Sun City Plumbing & Heating, HVAC in Las Cruces
Sun City Plumbing & HeatingPhoto: Sun City Plumbing & Heating

3479 W Picacho Ave, Las Cruces

3No. 3 in Las Cruces

Aircon Heating & Cooling

★★★★★ 4.9 · 306 reviews

Open 8 AM–5 PM most days, closed Sun

  • Warranty

Aircon handles same-day diagnostics when your system quits in the heat. Technicians arrive after hours when needed, diagnose the problem on the spot, and get A/C running again fast. The team explains every step, checks refrigerant levels and pressures, and handles capacitor replacements, condenser work, mini-split installations, and annual inspections. Pricing stays honest with no pressure to replace equipment that can be repaired.

"They responded quickly, came out the same day, diagnosed the issue, and got everything fixed in a timely manner."Verified review
Best for: fast turnaround on emergency cooling failures
Call Website

301 N Seventeenth St Ste F, Las Cruces

Aircon Heating & Cooling, HVAC in Las Cruces
Aircon Heating & CoolingPhoto: Aircon Heating & Cooling

301 N Seventeenth St Ste F, Las Cruces

4No. 4 in Las Cruces

Starrett's Heating & Air Conditioning

★★★★★ 5 · 138 reviews

Open 8 AM–5 PM, closed Sun & Sat

  • Licensed
  • Insured
  • Since 1993
  • Warranty

Starrett's runs bi-annual maintenance programs and handles full system installations, from split systems and mini splits to furnaces, tankless water heaters, whole-house descalers, and smart thermostats. Customers mention technicians working through tough conditions (one grooming shop job involved heavy dog hair) and tracking down rare parts to restore function. Service stays professional, punctual, and honest across years of repeat business.

"HVAC was upfront about cost of the job and the timeline of their installation…"Verified review
Best for: scheduled maintenance and full system installs
Call Website

2391 Saturn Cir, Las Cruces

Starrett's Heating & Air Conditioning, HVAC in Las Cruces
Starrett's Heating & Air ConditioningPhoto: Starrett's Heating & Air Conditioning

2391 Saturn Cir, Las Cruces

5No. 5 in Las Cruces

Orange Air

★★★★★ 5 · 37 reviews

Open 8 AM–5 PM, closed Sun & Sat

Orange Air runs same-day or next-morning service across the valley. The crew handles mini split repairs and recharges, swamp cooler conversions to refrigerated air, York unit installs, water heater swaps, thermostat upgrades, and additional return air vent installations. Customers mention patient question-answering during mid-summer jobs and budget-conscious troubleshooting for recurring system issues. Every job wraps with thorough cleanup and clear maintenance instructions.

"Contacted Orange Air, LLC in the morning and had an appointment in the afternoon."Verified review
Best for: quick response and patient customer service
Call

1800 W Amador Ave, Las Cruces

Orange Air, HVAC in Las Cruces
Orange AirPhoto: Jordyn Thatcher

1800 W Amador Ave, Las Cruces

How Las Cruces's Top HVAC Compare

How Las Cruces's top HVAC compare across key factors
Business Hours Known for
On The GO Heating & Cooling Top Pick 8 AM–5 PM persistent troubleshooting on stubborn systems
Sun City Plumbing & Heating Open 24 hrs after-hours emergencies and membership plans
Aircon Heating & Cooling 8 AM–5 PM fast turnaround on emergency cooling failures
Starrett's Heating & Air Conditioning 8 AM–5 PM scheduled maintenance and full system installs
Orange Air 8 AM–5 PM quick response and patient customer service

What People Are Saying

★★★★★
A great company that goes above and beyond…
On The GO Heating & Cooling
★★★★★
Very knowledgeable tech, no hidden fees or billing.
Aircon Heating & Cooling
★★★★★
They keep you informed about arrival times; they do their work; they clean up their mess; they fully explain what's wrong with your equipment; they give you options; they do not try to upsell…
Starrett's Heating & Air Conditioning

HVAC in Las Cruces

HVAC demand in Las Cruces splits into two annual peaks driven by desert extremes. Summer cooling dominates from May through September, when temperatures routinely exceed 100°F and compressors run continuously for months. Capacitor failures spike during sustained heat, and evaporator coils clog faster with desert dust despite regular filter changes. Winter heating loads stay modest compared to cooling, with mild daytime temperatures often requiring no heat at all. The spring and fall shoulder seasons see the heaviest maintenance scheduling, as customers prepare systems before temperature extremes hit. Most shops book solid during these windows, making early scheduling essential.

What to Know Before You Choose

Commonly Requested in Las Cruces

Questions Las Cruces Locals Ask

Who has the best HVAC service in Las Cruces?

On The GO Heating & Cooling leads for persistent problem-solving and transparent pricing. Technicians explain every repair clearly and refuse to upsell. Sun City Plumbing & Heating offers membership plans with annual check-ups. Aircon Heating & Cooling delivers same-day diagnostics when systems fail unexpectedly.

When should I schedule HVAC maintenance in Las Cruces?

Schedule cooling system maintenance in early spring before temperatures climb above 90°F regularly, and heating checks in early fall before nighttime lows drop. Desert heat stresses compressors and evaporator coils throughout the summer, making pre-season tune-ups critical. Most Las Cruces shops fill their calendars fast once extreme heat arrives, so book at least a month ahead.

Do Las Cruces HVAC companies offer emergency service?

Sun City Plumbing & Heating operates 24/7 for emergencies. On The GO Heating & Cooling runs seven days a week with same-day availability. Aircon Heating & Cooling and Orange Air often respond same-day or next morning for urgent calls. Most shops prioritize no-cooling emergencies during summer heat, when indoor temperatures can become unsafe quickly.

How much does HVAC replacement cost in Las Cruces?

Full system replacement pricing depends on home size, ductwork condition, and equipment efficiency tier. Most Las Cruces shops offer on-site estimates that include load calculations and efficiency comparisons. Sun City Plumbing & Heating and Orange Air both provide financing options. Get at least three quotes, confirm each includes proper sizing and warranty coverage, and verify all work meets New Mexico mechanical codes.

What HVAC problems are common in Las Cruces?

Capacitor failures spike when compressors cycle nonstop through triple-digit stretches. Evaporator coils clog with desert dust even with filters in place, choking airflow. Older swamp coolers can't keep up once monsoon humidity arrives, and attic ductwork loses efficiency when summer heat pushes insulation to its limit.

Should I repair or replace my Las Cruces air conditioner?

Replace systems over 15 years old if repair costs exceed half the price of a new unit, especially with refrigerant leaks or compressor failure. Modern units deliver better efficiency in desert heat, lowering summer electric bills noticeably. Repair makes sense for newer systems with simple fixes like capacitors, contactors, or thermostats. On The GO and Aircon both offer honest diagnostics without pushing unnecessary replacements.

Do Las Cruces HVAC companies work on mini splits?

Aircon Heating & Cooling, Orange Air, and Starrett's Heating & Air Conditioning all handle mini split installation, repair, and recharge work. Mini splits work well in Las Cruces for room additions, casitas, and homes without existing ductwork. Desert heat tests system capacity, so proper sizing matters. Verify the installer checks refrigerant lines for leaks and seals penetrations against dust infiltration.

What HVAC licenses do Las Cruces contractors need?

New Mexico requires a mechanical contractor license (GB-98 or MM-98) for HVAC installation and major repair work. Technicians must pass EPA Section 608 certification to handle refrigerants legally. Verify general liability insurance and ask if the company carries workers compensation coverage. Licensed contractors pull permits for system replacements, ensuring inspections confirm code compliance and proper installation.

Still deciding? You can't miss with On The GO Heating & Cooling, our top pick. Call On The GO Heating & Cooling
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