About LM

Built For El Paso, TX

Family-owned HVAC excellence with 20+ years of trusted service.

Founder's Story

Serving El Paso Since 2007

"I started LM in 2007 because I wanted to run my own shop. I wanted to be the one making the call on how a job gets done — taking care of people the way they should be taken care of. In El Paso, when the AC quits in July, that's a family sitting in a hot house — not a work order. Nearly two decades later, I'm still in the field most days."

Luis R. Martinez Owner & Founder — LM Air Conditioning & Sheet Metal LLC Texas License TACLB 28715E · BBB Accredited A+ (Since 2019)
LM Team Working
Our Foundation

How We Serve El Paso

Straightforward principles written from real experience taking care of local families and business owners.

Honesty First 01

1. Honest Diagnosis

We tell you what's actually wrong and what it will actually cost. If your system has years left in it, we'll say so — we're not going to sell you a new one because it's a bigger ticket.

Accountability 02

2. We Take It Personally

The job doesn't end when we pull out of your driveway. There are nights we're at home still thinking about a customer's house, wondering if it's holding temperature. That's just how we're built.

Family Care 03

3. We're Here to Help

We got into this to take care of people, not to move units. When your AC quits in July, you're not a work order to us — you're a family in a hot house who needs it fixed.

Commercial Credentials

Licensed & Fully Insured Contractor

LM Air Conditioning & Sheet Metal LLC carries commercial general liability coverage of $1,000,000 per occurrence and $2,000,000 aggregate (Texas License TACLB 28715E). Certificate of insurance available on request for commercial clients, general contractors, and property managers.

Engineering Standards & Metrics

HVAC Insights & Performance Facts

Empirical technical benchmarks achieved through precision engineering, OEM specifications, and calibrated maintenance protocols.

-30% Consumption

Energy Efficiency Optimization

Regular preventative tune-ups reduce electrical utility consumption by up to 30%.

Our precision electrical and airflow calibrations ensure your heat pump or AC system operates at peak certified SEER2 efficiency all season long.

+5–10 Yrs Extended Life

System Lifespan Extension

Proper preventative maintenance extends mechanical HVAC equipment lifespan by 5 to 10 years.

We utilize OEM factory-certified components, nitrogen pressure decay testing, and deep vacuum evacuations to maximize compressor longevity.

90% Allergen Reduction

Indoor Air Quality (IAQ) Purification

Clean ductwork and high-efficiency filtration eliminate airborne particulate allergens by up to 90%.

Our hospital-grade IAQ purifiers, UV germicidal lamps, and coil sanitization protocols ensure clean, healthy air for your family.