HVAC company · Commerce City, CO

Allen Service

4.7 from 1,777 Google reviews#55 of 60 HVAC companies near Thornton Last updated Sep 25, 2026

72SCORE

At a glance

Trades: HVAC, Plumbing, Electrical
Address: 8661 Rosemary St, Commerce City, CO 80022

How the 72 score breaks down

Rating quality31.6 / 45

Review volume23.4 / 25

Review recency15.0 / 15

Years in business2.5 / 10

Verified license0.0 / 5

Scores are calculated the same way for every company. See the method.

What customers say

5★

1,609

4★

3★

2★

1★

Justin A did my heating maintenance, showed me how to use my new thermostat, answered all my questions and even pulled the cover off my doorbell fixture for me since it wasn't ringing. All very professional and very easy to talk to. There was no cost to me as I have a membership.
Google review, Sep 24, 2026

Nathan was great! Very thorough! Just a nice person, very respectful. Easy to talk to! Gave multiple options for a repair, no pressure, and very honest! Will definitely be using Allen service against.
Google review, Sep 24, 2026

We had to have our line cleaned out from the kitchen and into the basement due to a build up. Service was good, timely and professional. We will use their services again if needed.
Google review, Sep 22, 2026

Rating distribution and reviews from the company's public Google listing.

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Colorado Home ServicesScore 83 · 5.0★ (928)

See the full Thornton ranking