Best Mini Split / Ductless AC Installations in Frederick, CO (2026)

12 verified businesses · Sorted by rating & reviews

Also in Frederick

Air Duct CleaningHVAC InstallationHVAC Repair
1

Golden West Plumbing, Heating, Air Conditioning, and Electrical

Google★★★★½4.83.7k reviews
→ Stable·3 mo: 4.9★ (27)·6 mo: 4.8★ (149)
Staff:+Jimmy (2)
4217 Delaware St, Denver, CO 80216
+1303-529-9771
HVAC contractor
Call NowWebsiteView profile →
Golden West Plumbing, Heating, Air Conditioning, and Electrical photo 1
2

Ultimate Heating, Cooling, Plumbing & Electric

Google★★★★½4.81.2k reviews
Yelp4 stars3.828 reviews
→ Stable·3 mo: 4.8★ (20)·6 mo: 4.9★ (65)
Staff:+Ross (2)+Sam (2)+Kyle (2)+JR. (2)+Jr (2)
4321 Broadway Unit 3, Denver, CO 80216
+1720-306-9245
HVAC contractor
Call NowWebsiteView profile →
Ultimate Heating, Cooling, Plumbing & Electric photo 1Ultimate Heating, Cooling, Plumbing & Electric photo 2Ultimate Heating, Cooling, Plumbing & Electric photo 3Ultimate Heating, Cooling, Plumbing & Electric photo 4
3

Controlling Systems Heating, AC, and Electrical Repair

Google★★★★½4.9570 reviews
→ Stable·3 mo: 5★ (1)·6 mo: 5★ (7)
7000 N Broadway #1-106, Denver, CO 80221
+1720-782-1658
HVAC contractor
Call NowWebsiteView profile →
4

Mighty Pine Heating & Air

Google★★★★½4.9567 reviews
→ Stable·3 mo: 5★ (4)·6 mo: 5★ (9)
8125 W 48th Ave, Wheat Ridge, CO 80033
+1720-807-6022
HVAC contractor
Call NowWebsiteView profile →
5

Tri Peaks Air

Google★★★★★5499 reviews
→ Stable·3 mo: 5★ (3)·6 mo: 5★ (8)
4393 Pierson St, Wheat Ridge, CO 80033
+1720-316-7392
HVAC contractor
Call NowWebsiteView profile →
6

Mountain Breeze Heating & Air, Inc.

Google★★★★½4.8294 reviews
↑ Improving·3 mo: 5★ (4)·6 mo: 5★ (9)
7100 Broadway unit 5-0, Denver, CO 80221
+1303-288-2515
HVAC contractor
Call NowWebsiteView profile →
7

Salzano Electric Denver

Google★★★★★5374 reviews
→ Stable·3 mo: 5★ (3)·6 mo: 5★ (16)
Staff:+Jerry (2)
1615 California St Suite 402, Denver, CO 80202
+1303-276-1495
HVAC contractor
Call NowWebsiteView profile →
8

Mini-Split & HVAC Service by Joseph

Google★★★★★5100 reviews
→ Stable·3 mo: 5★ (2)·6 mo: 5★ (6)
2559 Chase St, Edgewater, CO 80214
+1970-798-0096
HVAC contractor
Call NowWebsiteView profile →
9

Integrated Air Mechanical

Google★★★★★569 reviews
→ Stable·3 mo: 5★ (2)·6 mo: 5★ (5)
+1720-357-2336
HVAC contractor
Call NowWebsiteView profile →
Integrated Air Mechanical photo 1Integrated Air Mechanical photo 2
10

75 Degree Heating & Air

Google★★★★★568 reviews
→ Stable·3 mo: 5★ (1)·6 mo: 5★ (3)
Denver, CO 80202
+1619-333-7575
HVAC contractor
Call NowWebsiteView profile →
11

Harmony HVAC Service

Google★★★★½4.871 reviews
↑ Improving·3 mo: 5★ (6)·6 mo: 5★ (10)
Staff:+brent (2)+maxwell (2)+ryan (2)+devin (2)
4436 W 29th Ave, Denver, CO 80212
+1720-605-7110
HVAC contractor
Call NowWebsiteView profile →
12

Champion HVAC Service

Google★★★★½4.841 reviews
Staff:+Jayden (2)+Maddox (2)+nicolas (2)+Tony (2)+Gavin (2)
1630 Chestnut Pl, Denver, CO 80202
+1720-330-8870
HVAC contractor
Call NowWebsiteView profile →