Top 10 24 Hour HVAC in San Diego, CA

Updated March 2026

Quick Answer

Top: Same Day Heating, Cooling, Plumbing (4.8), Friar's Plumbing Heating and AC Repair (4.9), Guthrie & Sons Heating, Air and Solar (4.9)

Why 24-Hour Hvac Service Matters in San Diego, CA

Emergencies don't follow business hours. Whether it's a burst pipe at midnight or a furnace failure during a cold snap, having access to a reliable 24-hour hvac in San Diego, CA can prevent thousands of dollars in damage and keep your family safe.

💡 Quick Tips:
  • Ask about after-hours surcharges upfront — some San Diego, CA companies charge flat rates even at night
  • Save your top pick's number in your phone before an emergency happens
  • Check if the company dispatches their own technicians or uses a call center
1

Same Day Heating, Cooling, Plumbing

9771 Clairemont Mesa Blvd Suite E, San Diego, CA 92124, USA
★★★★½ 4.8 (1,699 reviews)
Licensed & InsuredTop Rated
Services: 24 Hour Hvac
2

Anderson Plumbing, Heating & Air

5183 Mercury Point, San Diego, CA 92111, USA
★★★★½ 4.8 (6,066 reviews)
Licensed & InsuredTop Rated
Services: 24 Hour Hvac
3

Friar's Plumbing Heating and AC Repair

5555 Magnatron Blvd Ste G, San Diego, CA 92111, USA
★★★★½ 4.9 (638 reviews)
Licensed & InsuredTop Rated
Services: 24 Hour Hvac
4

Smith & Sons Heating and Air Inc.

8859 Balboa Ave STE E, San Diego, CA 92123, USA
★★★★★ 5 (208 reviews)
Licensed & Insured
Services: 24 Hour Hvac
5

Precision Temperature

11974 Woodside Ave, Lakeside, CA 92040, USA
★★★★½ 4.9 (1,078 reviews)
Licensed & Insured
Services: 24 Hour Hvac
6

Progressive Heating & Air

4828 Ronson Ct, San Diego, CA 92111, USA
★★★★½ 4.8 (239 reviews)
Services: 24 Hour Hvac
7

One Hour Heating & Air Conditioning

7310 Miramar Rd #380, San Diego, CA 92126, USA
★★★★½ 4.9 (862 reviews)
Services: 24 Hour Hvac
8

United Plumbing Heating Air & Electric

6767 Nancy Ridge Dr Unit C, San Diego, CA 92121, USA
★★★★½ 4.9 (1,637 reviews)
Services: 24 Hour Hvac
9

Mauzy Cooling Heating Plumbing Electrical

1456 Magnolia Ave Ste E, El Cajon, CA 92021, USA
★★★★½ 4.8 (4,803 reviews)
Services: 24 Hour Hvac
10

Action Air Conditioning & Heating

6339 Nancy Ridge Dr #102, San Diego, CA 92121, USA
★★★★½ 4.9 (386 reviews)
Services: 24 Hour Hvac

About These Listings

Provider details on this page come from public business information and each provider's own website. Inclusion here is not an endorsement, and the order shown is not a guarantee of quality. Before hiring, verify licensing, insurance, and pricing directly with the company — request written quotes and confirm credentials with your state or local licensing board.

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Frequently Asked Questions

Best 24 hour hvac in San Diego?

Top: Same Day Heating, Cooling, Plumbing (4.8), Friar's Plumbing Heating and AC Repair (4.9), Guthrie & Sons Heating, Air and Solar (4.9).