Best HVAC Repairs in Alton, IL (2026)

13 verified businesses · Sorted by rating & reviews

1

Dole Heating & Air Conditioning

Google★★★★½4.91.2k reviews
Yelp5 stars4.97 reviews
↓ Declining·3 mo: 4.7★ (14)·6 mo: 4.8★ (44)
Staff:+Dole (2)+Meldin (2)
1920 S Broadway, St. Louis, MO 63104
+1314-631-6900
HVAC contractor
Call NowWebsiteView profile →
2

SmartHouse Heating and Cooling

Google★★★★½4.9479 reviews
Yelp5 stars4.911 reviews
→ Stable·3 mo: 5★ (5)·6 mo: 5★ (12)
6921 Olive Blvd, St. Louis, MO 63130
+1314-451-5391
HVAC contractor
Call NowWebsiteView profile →
SmartHouse Heating and Cooling photo 1SmartHouse Heating and Cooling photo 2SmartHouse Heating and Cooling photo 3
3

St. Louis Heating and Air Conditioning

Google★★★★½4.9447 reviews
Yelp3.5 stars3.68 reviews
→ Stable·3 mo: 5★ (3)·6 mo: 4.8★ (19)
Staff:+Kevin Jr (2)
2704 Brannon Ave, St. Louis, MO 63139
+1314-661-2501
HVAC contractor
Call NowWebsiteView profile →
St. Louis Heating and Air Conditioning photo 1St. Louis Heating and Air Conditioning photo 2
4

Vitt Heating & Cooling

Google★★★★½4.9498 reviews
Yelp2.5 stars2.639 reviews
→ Stable·3 mo: 5★ (7)·6 mo: 5★ (34)
Staff:+Vitt (2)
4719 Morgan Ford Rd, St. Louis, MO 63116
+1314-347-3389
HVAC contractor
Call NowWebsiteView profile →
Vitt Heating & Cooling photo 1
5

Jersey heating and cooling llc

Google★★★★★5163 reviews
Yelp5 stars52 reviews
→ Stable·3 mo: 5★ (2)·6 mo: 5★ (4)
6544 Southwest Ave, St. Louis, MO 63139
+1314-906-7227
HVAC contractor
Call NowWebsiteView profile →
Jersey heating and cooling llc photo 1Jersey heating and cooling llc photo 2Jersey heating and cooling llc photo 3Jersey heating and cooling llc photo 4
6

T-Will Fix It

Google★★★★½4.9153 reviews
→ Stable·3 mo: 5★ (40)·6 mo: 5★ (44)
Staff:+T-Will (3)+TWill (2)
2340 Lafayette Ave Suite 21, St. Louis, MO 63104
+1314-793-9323
HVAC contractor
Call NowWebsiteView profile →
7

American Heating & Air Conditioning

Google★★★★★552 reviews
Yelp5 stars51 reviews
→ Stable·3 mo: 5★ (11)·6 mo: 5★ (13)
6920 Manchester Rd, St. Louis, MO 63143
+1314-814-3468
HVAC contractor
Call NowWebsiteView profile →
American Heating & Air Conditioning photo 1American Heating & Air Conditioning photo 2American Heating & Air Conditioning photo 3American Heating & Air Conditioning photo 4American Heating & Air Conditioning photo 5American Heating & Air Conditioning photo 6American Heating & Air Conditioning photo 7American Heating & Air Conditioning photo 8American Heating & Air Conditioning photo 9American Heating & Air Conditioning photo 10American Heating & Air Conditioning photo 11American Heating & Air Conditioning photo 12American Heating & Air Conditioning photo 13American Heating & Air Conditioning photo 14American Heating & Air Conditioning photo 15American Heating & Air Conditioning photo 16American Heating & Air Conditioning photo 17
8

St. Louis AC and Heating Inc

Google★★★★½4.935 reviews
3501 Roger Pl, St. Louis, MO 63116
+1314-464-5936
HVAC contractor
Call NowView profile →
9

Mckenny Services Heating & Cooling

Google★★★★½4.922 reviews
+1314-456-5114
HVAC contractor
Call NowView profile →
10

Air Conditioning & Heating St. Louis

Google★★★★½4.528 reviews
↑ Improving·3 mo: 5★ (4)·6 mo: 5★ (8)
1915 Washington Ave, St. Louis, MO 63103
+1314-816-3983
HVAC contractor
Call NowView profile →
11

Heating & Air Conditioning in St. Louis

Google★★★★½4.821 reviews
↑ Improving·3 mo: 5★ (3)·6 mo: 5★ (6)
400 S 9th St, St. Louis, MO 63102
+1314-774-8741
HVAC contractor
Call NowView profile →
12

St Louis Heating and Cooling

Google★★★★½4.715 reviews
Yelp5 stars52 reviews
1760 Sublette Ave, St. Louis, MO 63110
+1314-736-3400
HVAC contractor
Call NowWebsiteView profile →
St Louis Heating and Cooling photo 1St Louis Heating and Cooling photo 2St Louis Heating and Cooling photo 3St Louis Heating and Cooling photo 4St Louis Heating and Cooling photo 5St Louis Heating and Cooling photo 6
13

Diagnostic Heating & Cooling

Google★★★★★53 reviews
→ Stable·3 mo: 5★ (1)·6 mo: 5★ (1)
+1314-816-2016
HVAC contractor
Call NowWebsiteView profile →
Diagnostic Heating & Cooling photo 1