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  1. Home
  2. Thornton, CO
  3. L&M HVAC & Mechanical

L&M HVAC & Mechanical

L&M HVAC & Mechanical is a HVAC provider serving Thornton, CO. Rated 5.0★ with 186 Google reviews. See services, review signals, and request a quote.

5.0★ (186 reviews)HVACThornton, CO
On this page▾
  1. 1.Company overview
  2. 2.Photos
  3. 3.What customers say
  4. 4.Key highlights
  5. 5.Explore nearby research
  6. 6.Frequently asked questions

Company overview

  • TradeHVAC
  • Service areaThornton, CO
  • Google rating5.0★ (186 reviews)
  • Phone(720) 490-9443
  • Address8500 Cedar Ln, Westminster, CO 80031, USA

Photos

  • L&M HVAC & Mechanical photo 1
  • L&M HVAC & Mechanical photo 2
  • L&M HVAC & Mechanical photo 3
  • L&M HVAC & Mechanical photo 4
  • L&M HVAC & Mechanical photo 5

Photos from L&M HVAC & Mechanical

What customers say

★★★★★

“There really is no need for improvement. From the consultation to the finished work Mike is 5 star all the way. He is polite, professional, punctual, honest, hard-working and communicates extremely we…”

— Carol DiBiase-Ruffe, 3 months ago
★★★★★

“Working with Lee from l and M was such a great experience. I’m a commercial contractor and I work with a lot of subs. We definitely had an A team experience with L and M. They were on time, prepared a…”

— Andrew Coles, 4 months ago
★★★★★

“Mike and team are incredible! After realizing my 22yr old furnace wasnt going to make it through the winter, Mike quoted a heat pump & furnace to reduce my monthly cost and improve the AC next summer.…”

— Tonya Mecum, 3 months ago
★★★★★

“Mike is amazing! He was perfectly on time or early on every service visit and he got the job done. L&M have some very knowledgeable people and I really trust their recommendations and their work. T…”

— Chad Lemanski, 3 months ago
★★★★★

“Mike was amazing! He changed out my thermostat with no problems! Very reasonably priced and on top of that he gave me a senior discount! I will be calling him with any of my future needs for myself…”

— Karen Krupicka, 3 months ago

Key highlights

Strengths

  • Highly rated (5.0★ average)
  • Large review volume (186 reviews)

Things to ask

  • Confirm availability for your area and timeline
  • Ask about warranty terms on parts and labor
  • Request a written estimate before work begins
  • Ask about payment plans or financing

Explore nearby research

  • Thornton, CO HVAC pros
  • Best HVAC in Thornton
  • HVAC cost in Thornton
  • Best HVAC in Denver, CO
  • Best HVAC in Colorado Springs, CO
  • Best HVAC in Aurora, CO
  • Best HVAC in Fort Collins, CO

Frequently Asked Questions

  • What services does L&M HVAC & Mechanical offer?

    L&M HVAC & Mechanical provides: HVAC diagnosis, repairs, and full system installs. They serve residential and commercial customers in Thornton, CO.

  • What is L&M HVAC & Mechanical's rating?

    L&M HVAC & Mechanical has a 5.0 out of 5 star rating based on 186 Google reviews.

  • Is this company licensed in Colorado?

    All listed providers have a verified Colorado contractor license at time of publication. You can verify on the Colorado Department of Regulatory Agencies (DORA) — Division of Professions and Occupations (municipal HVAC licensing; statewide plumbing/electrical only) lookup at https://apps.colorado.gov/dora/licensing/Lookup/LicenseLookup.aspx.

  • Does L&M HVAC & Mechanical offer emergency service?

    Contact them directly to ask about emergency availability and after-hours service.

  • How do I request a quote?

    Use the CTA below to submit your ZIP. You can message this company alongside two or three other local pros for easy comparison.

✓ Licensing verified 2026-04-23. Reviews refreshed 2026-04-23.

Licensing data: Colorado Department of Regulatory Agencies (DORA) — Division of Professions and Occupations (municipal HVAC licensing; statewide plumbing/electrical only) · Company data: verified business records + Google Business profile

See our editorial standards · Report inaccurate info about L&M HVAC & Mechanical

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