The Best Furnace & Heating in Las Cruces

Sun City Plumbing & Heating leads Las Cruces furnace and heating work for replacing aging combined systems customers call excellent service.

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

Editor's Pick

Sun City Plumbing & Heating

★★★★★ 4.9 · 1597 reviews

Open 24/7

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

Sun City Plumbing & Heating customers describe full furnace and AC system replacements handled as one coordinated job rather than two separate visits, including one account praising a crew that replaced an eighteen-year-old combined system and called the result excellent service. Customers consistently describe the company as their go-to for any HVAC issue, citing knowledgeable technicians who get the job done quickly regardless of whether the call is about heating or cooling. That dual competency matters in Las Cruces, where a single system often handles both, and a company treating heating and cooling as one relationship rather than two separate specialties shows up clearly in the feedback.

"I love using Sun City Plumbing and Heating for any plumbing or HVAC issues because they are always knowledgeable and quick to get the job done!"Verified review
Best for: replacing an aging combined heating and cooling system
Call Now (575) 526-9758 Visit Website
Sun City Plumbing & Heating, Furnace & Heating in Las Cruces
Sun City Plumbing & HeatingPhoto: Sun City Plumbing & Heating
TOP OF THE TOWN LAS CRUCES, NM THE SCOOP FURNACE & HEATING
2No. 2 in Las Cruces

Aircon Heating & Cooling

★★★★★ 4.9 · 306 reviews

Open 8 AM–5 PM most days, closed Sun

  • Warranty

Aircon Heating & Cooling customers include at least one describing it as the best experience they had when their furnace failed, a strong statement for a service call most homeowners dread. Another customer new to Las Cruces called Aircon to check a system where part of the house was not heating properly, and came away recommending the company for all future heating and cooling needs. Customers consistently describe trusting no other HVAC company in Las Cruces more, a pattern that holds across both the cooling and heating side of the business rather than one season only.

"I highly recommend AirCon for your cooling/heating system needs."Verified review
Best for: a furnace failure that needs a company you can trust immediately
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Aircon Heating & Cooling, Furnace & Heating in Las Cruces
Aircon Heating & CoolingPhoto: Aircon Heating & Cooling
3No. 3 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 Heating & Air Conditioning has customers who have stuck with the company for more than five years across both heating and cooling seasons, calling it their choice of HVAC professional to maintain year-round home comfort. One customer specifically praised the communication before and after a furnace and air conditioner inspection, describing a detailed briefing on what the technician found and what was accomplished rather than a vague summary. That combination of long-tenure trust and clear, documented inspections is a recurring theme across the feedback on this company's heating work specifically.

"I recommend Starrett's for all of your heating and air conditioning needs."Verified review
Best for: homeowners who want a documented, detailed furnace inspection
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Starrett's Heating & Air Conditioning, Furnace & Heating in Las Cruces
Starrett's Heating & Air ConditioningPhoto: Starrett's Heating & Air Conditioning
4No. 4 in Las Cruces

On The GO Heating & Cooling

★★★★★ 4.9 · 283 reviews

Open 8 AM–5 PM daily

  • Licensed
  • Insured
  • Warranty

On The GO Heating & Cooling customers describe proactive furnace tune-ups scheduled ahead of the coming winter rather than waiting for a failure, along with technicians who complete a furnace inspection with minimum disruption to the household. One customer specifically says they would not trust their heating and cooling needs to any other company, and another describes two HVAC technicians who were highly professional and thorough in detecting a problem with a central heating system. The overall pattern in the heating-specific feedback is a company customers return to season after season without shopping around.

"The two service HVAC technicians were highly professional and very thorough in detecting the problem with my central air/heater."Verified review
Best for: a seasonal furnace tune-up before the cold sets in
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On The GO Heating & Cooling, Furnace & Heating in Las Cruces
On The GO Heating & CoolingPhoto: Robert
5No. 5 in Las Cruces

Orange Air

★★★★★ 5 · 37 reviews

Open 8 AM–5 PM, closed Sun & Sat

Orange Air customers describe a crew that worked tirelessly to restore heat during one of the coldest stretches of the year, making sure everything was picked up and cleaned each day rather than leaving the work area in disarray between visits. Customers describe returning to Orange Air for both heating and cooling needs going forward, and recommend the company for repair, maintenance, or a full heating system purchase and installation. The heating-specific feedback points to a small crew willing to put in the extra effort during genuinely uncomfortable cold, not just routine seasonal work.

"I would highly recommend Orange Air to anyone needing help with their heating or air-conditioning systems."Verified review
Best for: a furnace failure during a genuine cold snap
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Orange Air, Furnace & Heating in Las Cruces
Orange AirPhoto: Jordyn Thatcher

How Las Cruces's Top Furnace & Heating Compare

How Las Cruces's top furnace & heating providers compare
Business Hours Known for
Sun City Plumbing & Heating Top Pick Open 24 hrs replacing an aging combined heating and cooling system
Aircon Heating & Cooling 8 AM–5 PM a furnace failure that needs a company you can trust immediately
Starrett's Heating & Air Conditioning 8 AM–5 PM homeowners who want a documented, detailed furnace inspection
On The GO Heating & Cooling 8 AM–5 PM a seasonal furnace tune-up before the cold sets in
Orange Air 8 AM–5 PM a furnace failure during a genuine cold snap

What People Are Saying

★★★★★
Thank you, Sun City Plumbing and Heating for providing such excellent service in furnishing us with a new heating and air conditioning system!
Sun City Plumbing & Heating
★★★★★
The price was great as it was almost half of what the other Heating/Cooling companies quoted me.
Aircon Heating & Cooling
★★★★★
I was very pleased with communication before and after the inspection of my furnaces and air conditioners, and for the briefing by the technician about what he found and accomplished.
Starrett's Heating & Air Conditioning

Furnace & Heating in Las Cruces

Las Cruces winters swing colder than the desert reputation suggests, and a furnace that fails on a freezing night is not a problem that waits comfortably until morning. The companies Las Cruces trusts most for heating work show up for furnace failures with the same urgency they bring to a summer AC emergency, and the feedback reflects years of maintaining the same systems through both seasons. We read the heating-specific feedback for every HVAC company in the market to find who actually delivers on furnace repair, replacement, and seasonal upkeep.

Why Las Cruces furnaces get less attention than they should

Las Cruces earns its reputation for heat, but high desert winters bring real cold, and a furnace that sits idle for most of the year is exactly the kind of equipment that fails without warning. Homeowners who diligently maintain their AC system every spring often skip the equivalent furnace check before winter, and the same system frequently handles both, which means neglecting one side eventually affects the other.

A furnace that has not run in months can develop problems that only show up once it is asked to work again: a pilot or ignition issue, a clogged filter restricting airflow, or a component that seized up from disuse. Scheduling an inspection before the first genuinely cold night surfaces these problems on your schedule rather than the furnace's.

What a furnace inspection actually covers

A proper furnace inspection checks ignition and burner operation, tests safety controls, inspects the heat exchanger for cracks or corrosion, and confirms the thermostat is correctly calling for heat. Customers across Las Cruces heating companies describe technicians who document what they checked and what they found, which gives you a record to reference if a problem develops later in the season.

For homes with a combined heating and cooling system, ask whether the inspection covers both sides in one visit or whether heating and cooling are billed and scheduled separately. Several Las Cruces companies handle both under one service relationship, which simplifies scheduling and gives one company full context on the system's history across both seasons.

Repair or replace: how old is too old for a Las Cruces furnace

A furnace that is well into its second decade of service and has needed repeated repairs is a candidate for replacement, particularly if a technician identifies a cracked heat exchanger or other safety-related issue. Customers describe at least one Las Cruces company replacing a system nearly two decades old as part of a combined heating and cooling upgrade, which is a reasonable point to start planning for replacement rather than continuing single-component repairs.

A trustworthy heating company will tell you honestly when a repair no longer makes economic sense relative to a full replacement, rather than defaulting to the smaller job every time. Ask directly whether the technician would recommend repair or replacement if it were their own home, and expect a straightforward answer either way.

What to Know Before You Choose

Questions Las Cruces Locals Ask

Who is the best furnace and heating company in Las Cruces?

Sun City Plumbing & Heating is our top pick for furnace and heating work in Las Cruces. Customers describe full replacements of aging combined heating and cooling systems handled well, and the company is frequently named as customers' go-to for any HVAC issue. Aircon Heating & Cooling is a strong runner-up, especially for a furnace failure that needs an immediately trustworthy response.

How often should a furnace be inspected in Las Cruces?

An annual inspection before the first cold stretch of the year is generally sufficient for a residential furnace, similar to a spring AC tune-up. Homes with a combined heating and cooling system can often schedule both inspections together with the same company.

What are common signs a Las Cruces furnace needs repair?

Uneven heating across the house, a system that runs but does not reach the set temperature, or unusual noises during startup are common early signs. A furnace that has not been serviced in over a year and is now being asked to run in genuinely cold weather is more likely to reveal a hidden problem.

Does the same company usually handle both furnace and AC service?

In Las Cruces, yes, most homes use a combined heating and cooling system, and customers describe several companies handling both sides as one ongoing service relationship rather than treating them as separate specialties. This is usually more convenient since one company has full history on the system.

How old is too old for a furnace in Las Cruces?

A furnace well into its second decade that has needed repeated repairs is generally a reasonable point to start planning for replacement, particularly if a technician identifies a safety-related issue like a cracked heat exchanger. A trustworthy company will recommend replacement directly rather than continuing to patch an aging unit.

Can a furnace be repaired the same day it fails in Las Cruces?

Several Las Cruces heating companies offer same-day service for a no-heat emergency, particularly during genuinely cold stretches. Confirm same-day availability with your chosen company before winter arrives so you already know who to call if the furnace fails on a cold night.

Still deciding? You can't miss with Sun City Plumbing & Heating, our top pick. Call Sun City Plumbing & Heating
More HVAC guides AC RepairEmergency AC RepairAC Installation & ReplacementMaintenance & Tune-Ups The full Las Cruces HVAC guide

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