❄️ HVAC Contractor Las Cruces – Local Heating & Cooling Experts

Hi, I’m Gustavo, owner of A to Z Plumbing Heating and Cooling LLC, right here in Las Cruces, NM. I’ve been working in the HVAC field in Las Cruces for over 15 years, helping folks stay cool through our scorching summers and warm during those surprise desert freezes.

If you’re searching for a reliable, honest HVAC contractor in Las Cruces, you’re in the right place. My team and I specialize in real solutions — not upsells or shortcuts — and we treat every customer like a neighbor. Because around here, you probably are.

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What HVAC Really Means Out Here

Las Cruces is different. Some weeks it’s dry and hot, some weeks it’s windy and cold. That means your HVAC system needs to be flexible, tough, and reliable. Whether you live in Mesilla Park with an older adobe home or in Northrise in a newer build, the needs are different.

We install and fix systems that work year-round, no matter what New Mexico throws at them.

A good HVAC contractor in Las Cruces needs to know:

  • How to handle dry, dusty conditions

  • How to size units for heat AND cold

  • What parts hold up best in caliche-heavy neighborhoods like Fairacres or Doña Ana

This isn’t a set-it-and-forget-it kind of job.

Full-Service HVAC in Las Cruces

We handle all types of HVAC calls, including:

  • AC repair and installation

  • Furnace tune-ups and replacements

  • Evaporative cooler conversion to refrigerated air

  • Mini-split systems for garage or add-ons

  • Heat pump repairs

  • Thermostat upgrades

  • Duct cleaning and sealing

  • Full duct redesign for older homes

  • Seasonal inspections and service

We also work with light commercial systems, so if you’re a small business in Alameda-Depot, we can help keep your shop cool and your customers comfortable.

Why Local HVAC Work Matters in Las Cruces

Las Cruces has some quirks:

  • Hard water that messes with swamp coolers

  • Dust storms that clog filters and coils

  • Wild power surges that fry boards and thermostats

We’ve helped folks in Sonoma Ranch, Las Alturas, and even as far out as Vado deal with these.

You can’t fix what you don’t understand — and we’ve worked every kind of HVAC system in town. From old wall furnaces in Mesilla to brand-new refrigerated air units in University Park.

HVAC Scenarios We’ve Handled Recently around Las Cruces

A business on Main Street had their AC go out during the Las Cruces Farmer’s Market. Customers were sweating. We replaced the rooftop unit that same day.

A family in Las Colinas had ice forming on their AC line. It was a dirty filter and low refrigerant. We recharged the system and it’s been working great ever since.

An older home in Doña Ana had noisy vents and weak airflow. We replaced the duct system and now every room cools evenly.

Homeowner HVAC Tips for Las Cruces

Want to make your system last longer? Here’s what we tell our neighbors:

  • Change filters every 1–2 months (dust builds up FAST here)

  • Shade your outdoor unit if possible

  • Don’t close too many vents — it messes with pressure

  • Schedule spring and fall check-ups before extreme weather hits

  • Install surge protectors for your furnace and AC

Simple stuff like this prevents most of the emergency calls we get.


 

Honest HVAC for Real Las Cruces Homes

We’re not a chain. We don’t fly in techs from out of town. When you call, it might be me or someone from my team that lives down the street.

We drive the same roads, deal with the same dust, and know the same weather. That’s why we treat every job like it matters. Because it does.

If we can fix it, we will. If you need a new unit, we’ll show you options that make sense for your space and your budget.


 

Why HVAC work is different in las cruces

Living and working in southern New Mexico specifically Las Cruces gives you a real appreciation for what heating and cooling systems go through around here. From 115° summer highs of Las Cruces to unexpected cold snaps in the winter, your HVAC system in Las Cruces needs to be built tough — and properly maintained.

🔥 Hot, Dry Summers of Las Cruces

In areas like Sonoma Ranch, Mesilla, or University Park, I’ve seen air conditioners run non-stop from May through September. That kind of stress wears out even good systems around Las Cruces. Without regular maintenance, things like capacitor failure, low refrigerant, or clogged coils are bound to happen in Las Cruces.

❄️ Cold Desert Nights of Las Cruces

People forget, but we do get freezing temps in winter — especially at night in Las Cruces. I’ve had dozens of service calls to homes in Picacho Hills and Doña Ana where the furnace gave out on a 28° night. Whether it’s gas, electric, or heat pump — I’ve worked on it.

🧱 Older Homes vs New Construction in Las Cruces

Some Las Cruces neighborhoods have older homes with ductwork that’s falling apart or systems that were oversized or undersized. In newer areas, like Alameda-Depot, I often find poor installs by out-of-town crews. Either way, we know how to fix it — and make it right.

Available for 24/7 Emergency Service in las cruces

HVAC Services in las cruces nm

01.

HVAC System Installation in Las Cruces ​

Efficient installs for new homes or system upgrades, built for Las Cruces heat.

02.

Air Conditioner Repair & Maintenance in Las Cruces

Fast, reliable fixes to keep your home cool during scorching summers of Las Cruces

03.

Furnace & Heater Repair in Las Cruces

Stay warm on cold desert nights of Las Cruces with expert heating repairs.

04.

Thermostat Installation & Smart Upgrades in Las Cruces

Smart controls that save energy and boost comfort in Las Cruces

05.

Indoor Air Quality Solutions in Las Cruces

Breathe cleaner with filters, purifiers, and humidity control in Las Cruces

06.

Ductwork Installation, Repair & Sealing in Las Cruces

Better airflow and efficiency with sealed, updated ductwork in Las Cruces & nearby areas

See Our Reviews On

What Customers Say

“My AC stopped working on a Sunday. Gustavo called me back in 10 minutes. He had it cooling again that same day. No drama, no extra charges.” 

Tina S., Sonoma Ranch

“They installed a heat pump and explained every step. Clean, respectful, and fast. You can tell they care.” 

 Marcus G., Doña Ana

“We switched from a swamp cooler to refrigerated air and they made it simple. You can tell they’ve done this a lot in Las Cruces.” 
Carlos M., Las Colinas

🛠 What We Do – Full-Service HVAC Contractor Las Cruces

We cover all things heating, cooling, ventilation, and indoor air quality. Whether it’s installing a brand-new unit, fixing one that won’t start, or just doing your seasonal tune-up, we’ve got you covered.

Furnace Repair Las Cruces

Pro tip: We always check your ductwork and insulation to make sure your new AC isn’t working harder than it needs to.

❄️ Air Conditioning Installation & Repair in Las Cruces

Summers in Las Cruces aren’t just hot — they’re relentless. If AC unit isn’t cooling like it used to, or you’re constantly dealing with breakdowns, let’s talk.

We work on:

  • Central AC systems

  • Mini-splits (ductless)

  • Swamp coolers (evaporative coolers)

  • Thermostats and smart controls

If you’re ready to upgrade, we’ll help you choose an energy-efficient model that fits your home and budget — and we install it the right way the first time.

🔥 Furnace & Heating Services in Las Cruces

Even here in the desert, a good heating system matters — especially for families with kids or elderly folks. We work on:

  • Gas and electric furnaces

  • Heat pumps

  • Thermostats

  • Combustion safety and CO testing

If your heater’s blowing cold air or won’t turn on at all, call us. Most times, we can get it running again the same day.

🧰 HVAC Maintenance & Tune-Ups in Las Cruces​

Preventative maintenance is the best way to avoid costly breakdowns. Our seasonal HVAC tune-ups include:

  • Checking refrigerant levels

  • Cleaning coils

  • Testing capacitors and motors

air-ducts-ceiling-hvac-popeyes-deming
  • Changing filters

  • Inspecting the entire system

  • Checking Air Ducts and Ventilation

A well-maintained system runs smoother, uses less energy, and lasts longer — it’s that simple.

🏠 Indoor Air Quality in Las Cruces

With so much dust, allergens, and dryness in the air around here, we offer options to help your family breathe easier:

  • Whole-home humidifiers

  • Air filtration systems

  • UV air purifiers

  • Duct cleaning and sealing

Serving Las Cruces & Nearby Areas

We’re located in Las Cruces, 88005, and we serve all surrounding communities, including:

  • Mesilla

  • Sonoma Ranch

  • Picacho Hills

  • Alameda-Depot

  • University Park

  • Doña Ana

  • Fairacres

  • Vado

  • Mesquite

  • Radium Springs

If your home is within 40–60 miles of Las Cruces, we’ve probably worked near you.

Why Choose A to Z for HVAC in Las Cruces?

There are a lot of HVAC contractors out there — but here’s what makes us different:

  • ✔️ Local and family-run — You deal directly with me or someone on my small team.

  • ✔️ No pressure sales — Just honest options and clear recommendations.

  • ✔️ Licensed, insured, and experienced — 15+ years working on systems in Las Cruces.

  • ✔️ Clean, respectful technicians — We protect your home, clean up after ourselves, and wear boot covers.

  • ✔️ Emergency HVAC service available — Nights, weekends, and holidays.

  • ✔️ We show up when we say we will — No waiting around all day.

Most of our customers come from referrals and repeat business — and that means everything to me.

Real HVAC Work in las cruces, Not Just Parts Swapping

When you call me out to your home, here’s what the experience is like:

  1. We show up on time. I’ll text or call when we’re on the way.

  2. We take a full look at the system. Not just the obvious stuff.

  3. We explain what’s wrong — in plain English. No jargon or scare tactics.

  4. We give you clear pricing before any work starts.

  5. We do it right, and we do it clean.

I’ve built this business on treating people how I’d want to be treated — no games, no gimmicks.

⭐ What Customers Are Saying

Carol T
Carol T
Las Cruces
“Gustavo installed a brand new mini-split in our addition, and it works like a dream. He was on time, super polite, and explained everything. Highly recommend!”
Marcus W.
Marcus W.Mesilla
“Called A to Z when our AC stopped blowing cold during that awful June heat wave. Gustavo showed up fast, found the issue, and fixed it the same day. Lifesaver.”
📞 Ready to Fix or Upgrade Your HVAC?
If your air conditioner’s on its last leg, your heater’s blowing cold, or you’re just tired of getting the runaround from big companies — give us a call.
📍 Located in Las Cruces, NM 88005
📞 Call or text A to Z Plumbing Heating and Cooling LLC
🕒 Same-day appointments available
🌙 Emergency HVAC service 24/7

HVAC Contractor Las Cruces – FAQ

What’s the average lifespan of an HVAC system in Las Cruces?

Due to the heat and dust, systems in Las Cruces usually last 10–15 years if properly maintained.

If it’s more than 10 years old and giving you frequent issues, replacement may save money long-term. I’ll always give you honest input, As we are your local HVAC Contractors in Las Cruces.

We offer same-day and emergency HVAC service most days — just call or text us. We will be at your door step asap in Las Cruces and nearby areas.

Thanks for checking us out. Whether you need service right now or just want a trustworthy HVAC contractor on your radar near Las Cruces, We’d be honored to help. From cooling in the summer to heating in the winter, we’ve got you covered — from A to Z.

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Call now to hire our expert Plumber and HVAC Technician in Las Cruces for your emergency & scheduled job