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Emergency Electricians in Longmont, CO (2026)

Top 50 of 277 electricians, in emergency orderUpdated 0 paid placements in this rankingHow we rank

25 of the 50 electricians on this list post 24/7 hours. 24/7 businesses come first, then same-day, each ranked by CR Score with availability weighted higher.

Sparks, smoke or a burning smell: leave the room and call 911. Never touch a fallen power line; call your utility.

The short answer

  1. 1

    #1 for emergency electrical work in Longmont: M and M Heating, Cooling, Plumbing and Electrical, open 24/7.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

Top emergency electricians in Longmont at a glance

Top emergency electricians in Longmont at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1M and M Heating, Cooling, Plumbing and Electrical644.9★ (3,075)Longmont24/7
2Titus Electrical Services644.8★ (1,055)Berthoud, 8 mi away24/7
3Mister Sparky Of Denver634.9★ (2,857)Westminster, 18 mi away24/7
4Excel Electric634.9★ (113)Longmont24/7
5Welzig Heating, Air, Plumbing & Electric624.9★ (1,269)Longmont24/7
6Just In Time Electrical & Plumbing614.9★ (1,027)Thornton, 21 mi away24/7
7DNI Heating, AC, Refrigeration, Plumbing & Electrical604.8★ (626)Berthoud, 6 mi away24/7
8TNT Home Services - Longmont594.8★ (865)Longmont24/7
9Three Crowns Electric594.9★ (446)Windsor, 24 mi away24/7
10Colorado Sun Electric595.0★ (8)Fort Collins, 1 mi away24/7

Call an emergency electrician in Longmont now

24/7 hours mean the business says its phone is answered around the clock. Arrival time depends on where the crew is. Ask for an arrival window when you call.

The 50 emergency electricians in Longmont, ranked

24/7 first, then same-day service, then the rest. Each group is in CR Score order on emergency weights. The full ranking of all 277 is on the electricians page.

Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  4. #4 Excel Electric

    Based in Longmont

    63/100CR Score

    Ranked #4 because of its Google rating and trade focus: 4.9★ from 113 Google reviews, listed on Google as “Electrician”.

    • 4.9★ from 113 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    90 Disc Dr Unit #1, Longmont, CO 80503
    View profile for Excel Electric(303) 500-8041

  12. #12 Conduct All Electric

    Based in Windsor, 20 mi away

    58/100CR Score

    Ranked #12 because of its Google rating and trade focus: 4.9★ from 175 Google reviews, listed on Google as “Electrician”.

    • 4.9★ from 175 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    7352 Greenridge Rd Suite A4, Windsor, CO 80550
    View profile for Conduct All Electric(970) 631-4148

  13. #13 2b Electrical

    Based in Longmont

    58/100CR Score

    Ranked #13 because of its Google rating and trade focus: 3.9★ from 7 Google reviews, listed on Google as “Electrician”.

    • 3.9★ from 7 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    10167 Bountiful St, Longmont, CO 80504
    View profile for 2b Electrical

  20. #20 Professional Power

    Based in Westminster, 18 mi away

    57/100CR Score

    Ranked #20 because of its Google rating and trade focus: 5.0★ from 54 Google reviews, listed on Google as “Electrician”.

    • 5.0★ from 54 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1341 W 121st Ave, Westminster, CO 80234
    View profile for Professional Power(720) 909-7484

  21. #21 Prometheus Electric

    Based in Boulder, 12 mi away

    57/100CR Score

    Ranked #21 because of its Google rating and trade focus: 4.7★ from 25 Google reviews, listed on Google as “Electrician”.

    • 4.7★ from 25 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    4949 Broadway STE 118, Boulder, CO 80304
    View profile for Prometheus Electric(303) 406-0387

  23. #23 King Electric

    Based in Fort Collins, 25 mi away

    57/100CR Score

    Ranked #23 because of its Google rating and trade focus: 4.9★ from 151 Google reviews, listed on Google as “Electrician”.

    • 4.9★ from 151 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2580 E Harmony Rd Suite 301-22, Fort Collins, CO 80528
    View profile for King Electric(970) 829-5464

  25. #25 Awesome Electric Ltd

    Based in Federal Heights, 21 mi away

    57/100CR Score

    Ranked #25 because of its Google rating and trade focus: 4.9★ from 61 Google reviews, listed on Google as “Electrician”.

    • 4.9★ from 61 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2510 W 99th Pl, Federal Heights, CO 80260
    View profile for Awesome Electric Ltd(720) 656-4274

Top 50 of 277 electricians by emergency score

#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile.

electricians in Longmont, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Blue Sky Plumbing, Heating, Cooling & Electric565.0★ (20)In Longmont
27Carbon Valley Heating and Air564.8★ (710)9 mi
28Carbon Valley Heating, Air, Plumbing & Electrical564.9★ (84)9 mi
29Limelight Services565.0★ (1,508)18 mi
30The Speedy Electricians of Westminster564.8★ (64)22 mi
31Mister Sparky565.0★ (31)19 mi
32Fix-it 24/7 Plumbing, Heating, Air & Electric564.7★ (723)21 mi
33Barnes Electrical Contracting564.8★ (9)13 mi
34Lion Home Service554.7★ (5,912)25 mi
35Controlling Systems Heating, AC, and Electrical Repair554.9★ (565)25 mi
36Goodfellas Heating, Cooling, Plumbing & Electric554.6★ (430)20 mi
37Impact Heating & Cooling Inc.554.9★ (893)18 mi
38Lightning Horse Electric LLC555.0★ (15)20 mi
39Dickinson Electric554.2★ (10)16 mi
40Electrical Essentials555.0★ (6)16 mi
41Service Experts Heating & Air Conditioning554.7★ (1,928)21 mi
42Light in the Dark Electric545.0★ (22)24 mi
43Plumbline Services544.8★ (1,106)20 mi
44Lone Wolf Electric544.4★ (5)18 mi
45LUXRAY ELECTRIC & SOLAR525.0★ (41)2 mi
46Lemons Heating & Cooling524.9★ (298)25 mi
47BLS Electrical, Inc513.0★ (4)24 mi
48Wadsworth Electric LLC515.0★ (9)16 mi
49Better Way Electric & Data Comm Inc.514.6★ (23)In Longmont
50Origin Plumbing Heating Cooling Electrical - Loveland505.0★ (7)18 mi

How we ranked emergency electricians in Longmont

Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 electricians are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed from
Reputation15%Google star rating, adjusted for how many reviews back it
Credentials15%Active state license, bond and workers’ comp on file
Review volume10%Number of Google reviews, compared with the most-reviewed business on the list
Recency5%Share of reviews from the last 12 months
Availability15%Weekly open hours, Saturday, Sunday, 24/7 or same-day
Trade focus10%How clearly the business does this trade (its Google category and name)
Proximity5%Based in the city scores highest, less the farther away it is
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodically
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there are

Emergency electricians in Longmont: questions

Which electricians in Longmont are open 24/7?

25 on this list post 24/7 hours, including M and M Heating, Cooling, Plumbing and Electrical, Titus Electrical Services, Mister Sparky Of Denver, Excel Electric and Welzig Heating, Air, Plumbing & Electric.

Who is ranked #1 for emergency electrical work in Longmont, CO?

M and M Heating, Cooling, Plumbing and Electrical is #1, with a CR Score of 64 out of 100 on emergency weights.

How are emergency electricians in Longmont ranked?

Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 electricians are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

What should I do before the electrician arrives?

Sparks, smoke or a burning smell: leave the room and call 911. Never touch a fallen power line; call your utility.

How many emergency electricians here list a phone number?

24 of the 25 businesses ranked in full list a phone number. Tap Call to dial it.

Update log for Longmont

  1. October 2026: CR Scores recalculated for 277 electricians serving Longmont.
  2. October 2026: 4 duplicate listings merged.

More emergency and electrical work pages