Best HVAC Contractors in San Francisco (2026 Rankings)

Around The Clock HVAC stands out with an impeccable 5-star rating backed by nearly 200 reviews, showcasing consistent customer satisfaction. Their name suggests a commitment to being available when you need them most, offering peace of mind for urgent heating and cooling issues. With such a strong track record, they are clearly a go-to for dependable HVAC solutions in San Francisco.

Carol Flynn Heating & Cooling has earned a perfect 5-star rating, demonstrating a strong commitment to quality service. While having fewer reviews than some larger competitors, their high rating indicates a dedicated and satisfied customer base. This business likely offers personalized attention and expert solutions tailored to individual homeowner needs.

* This business has a high rating but fewer reviews than average. We include it as a "Hidden Gem" worth exploring.

Boasting a perfect 5-star rating from 30 reviews, Inner Sunset Top Heating and Air is a highly regarded local provider. Their consistent positive feedback suggests a focus on delivering excellent service and effective heating and cooling solutions. For residents in the Inner Sunset area, this business is a strong contender for reliable HVAC maintenance and repair.

* This business has a high rating but fewer reviews than average. We include it as a "Hidden Gem" worth exploring.

Element Home AC Company has achieved a perfect 5-star rating with 29 reviews, underscoring their excellence in air conditioning services. This strong endorsement highlights their ability to meet and exceed customer expectations for cooling solutions. They appear to be a specialized and highly effective choice for maintaining optimal indoor temperatures.

* This business has a high rating but fewer reviews than average. We include it as a "Hidden Gem" worth exploring.

With a flawless 5-star rating from 21 reviews, Best AC Service San Francisco lives up to its name. This business has clearly established a reputation for providing exceptional air conditioning services. Their high marks suggest a commitment to customer satisfaction and effective cooling solutions for San Francisco residents.

* This business has a high rating but fewer reviews than average. We include it as a "Hidden Gem" worth exploring.

This business holds a perfect 5-star rating, even with a smaller review count of 7, indicating a high level of customer satisfaction. Their focused expertise on heating and cooling in the South San Francisco area suggests specialized knowledge for local needs. It's a strong indicator of quality service for those seeking climate control solutions.

* This business has a high rating but fewer reviews than average. We include it as a "Hidden Gem" worth exploring.

Achieving a perfect 5-star rating with 7 reviews, Heating & Cooling San Francisco demonstrates a strong commitment to quality service. Their name implies a broad service area within the city, suggesting they are well-equipped to handle diverse HVAC needs. This business is a promising option for reliable heating and cooling solutions.

* This business has a high rating but fewer reviews than average. We include it as a "Hidden Gem" worth exploring.

Cabrillo Plumbing, Heating & Air stands out with an impressive 4.9-star rating from over 950 reviews, making them a highly trusted and experienced provider. Their extensive experience across plumbing, heating, and air conditioning suggests a one-stop shop for all home comfort needs. This volume of positive feedback points to consistent quality and customer dedication.

With a strong 4.9-star rating from over 120 reviews, Oakland Furnace Heat & Air Conditioning has built a solid reputation for their specialized heating services. Their focus on furnaces indicates deep expertise in keeping homes warm and comfortable. This business is a reliable choice for those prioritizing effective heating system performance.

Fuse Service boasts a 4.9-star rating from 92 reviews, indicating a high level of customer satisfaction across their services. While not exclusively HVAC, their strong performance suggests competence in climate control solutions. They are a reputable choice for homeowners seeking reliable and well-reviewed home maintenance.