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Avatar for Global Comfort Heating and Air
Global Comfort Heating and Air
4.8(
52
)
Central A/C - Service or Repair

Serving Colma, CA and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"To start, I put in for an emergency call to Freschi and was told they would call me 30 minutes before. They never called me back. Freschi sucks!!!I I also put in a request on HomeAdvisor on Thursday night and was given Global Warming Heating and Air as one of their verified contractors. I got a call at 7am from Rudy. I called back around 830am and we made an appointment for 1130am. He showed up at 1105am and quickly diagnosed the problem. He recommended replacing the furnace(which houses the blower assembly) due to the cost of repairs and its 17 year old condition. He didn t try to up sell me for an entire new system. He said my AC is working well so there s no need to replace it. I decided to replace the furnace and he said he d be back around 130pm. Rudy and his crew were back by 1pm. From the start of demo to it running again was less than 2 hours. Rudy s customer service is top notch!! From now on, I will only be calling Global Warming Heating and Air. I can t say enough good things about Rudy s business ethics and timeliness. A+++++"
Team Global Comfort Truck
Carrier Heater Changeout
Duct Install securing runs
Duct Install securing runs
Carrier 95% Installation

+9

Response time50 mins
Response rate94%
4 neighbors recently requested a quote
Avatar for Duct Pros
Duct Pros
4.7(
68
)
Air Ducts & Vents - Clean

Serving Colma, CA and surrounding areas

Approved

In business since 2015

Emergency services offered

Small jobs welcome

"Rasu was AMAZING! I had a very unusual clog in my dryer duct and he stayed and worked on it! He took the time to make sure my dryer was working correctly as well. He went above and beyond. I would recommend him over and over! Am using him for my air vents and chimney sweep services. Heâ s honest, fair, ckeaned up after the job was complete, polite and his price was extremely fair ."
SF-Clean Chimney Project
SF-Clean Chimney Project
SF-Clean Chimney Project
Chimney cleaning/sweep
SF-Clean Chimney Project

+14

Response time12 hrs
2 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for Albert Nahman Plumbing, Heating, and Cooling
Albert Nahman Plumbing, Heating, and Cooling
4.4(
717
)
Central A/C - InstallDuctless Mini-split A/C - Install or ReplaceCentral A/C - Install - For Business+3 more

Serving Colma, CA and surrounding areas

Approved (Corporate)

In business since 1981

Free estimates

Warranties offered

"Albert Nahman Plumbing was helpful and extremely professional. The work done by Nicholas was resourceful (involving hooking up a new heater with different requirements into a gas supply and vent system installed thirty years earlier) and carefully executed. He's a knowledgeable, courteous, and highly skilled professional."
Living room Mini-Split
Aquasana home Filtration
Almost no disturbance at EBMUD meter
Navien with filtration to protect the heat exchanger
New house valve and Pressure Reducing Valve

+73

Response time8 hrs
Response rate99%
55 neighbors recently requested a quote
Avatar for Air Control Mechanical
Air Control Mechanical
4.9(
8
)
Central A/C - InstallCentral A/C - Install - For BusinessDuctless Mini-split A/C - Install or Replace

Serving Colma, CA and surrounding areas

Approved

In business since 2016

Free estimates

Offers commercial services

"I was so pleased with this company! Victor came out at 9:00 on a Wednesday night, determined that I needed a part for my AC, said he anticipated it should be in by Friday. What do you know...on Thursday at 6:00 p.m., I received a call saying a technician could install the part. By 7:00, voila, I had air conditioning!!! Jorge told me Victor absolutely impressed upon him that I needed AC...tonight. Many thanks for the prompt, friendly service and detailed explanations. Yes, I would wholeheartedly recommend this company of conscientious, responsive professionals!"
Response time10 hrs
1 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Silicon Valley Air Experts
Silicon Valley Air Experts
4.8(
57
)
Air Ducts & Vents - Clean

Serving Colma, CA and surrounding areas

Approved

In business since 2015

Free estimates

Emergency services offered

"My job was cleaning of Air Ducts and dryer vent which is not on the drop down list provided. I spoke with several companies to see about quotes and scheduling. a clean out for my dryer vent before I had a new dryer installed. Silicon Valley Air Experts called me right away, listened to the job and provided a transparent initial assessment and cost estimate. While talking to them I also learned about cleaning all the air ducts, which I hadn't done in some time. They showed up on time, completed all of the work efficiently and cleaned up afterward. I plan to use them again in the future. It was a wonderful experience."
Air Duct Cleaning
Air Duct Cleaning
Air Duct Cleaning
Air Duct Cleaning
Air Duct Cleaning

+4

Response time11 hrs
30 neighbors recently requested a quote
Recommended by95%of homeowners
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Air Conditioning questions, answered by experts

An AC drip pan may stop draining if there’s a clog where the drip pan connects to the drain line. Clogs can form from a lack of cleaning or from rust or corrosion buildup. Cleaning the drip pan at least once per month lowers the chances of debris clogging the drain line.

An undersized whole-house generator has the potential to overheat and shut down when you try to run a central AC system. This scenario can not only damage the whole-house generator, but can also trip your home’s breakers or cause electrical damage. To avoid this situation, hire a local generator installer to correctly size your whole-house generator.

The decision to put your AC unit on the roof or ground depends on the climate in your area, the roof shape, accessibility, and budget. If you live in a warm climate or don’t have existing ductwork, it’s likely best to stick to a traditional AC unit that sits on the ground. However, if you lack yard space, live in a mild climate, and have easy access to the roof, your home may benefit from a rooftop AC unit. 

Most HVAC surge protectors last about three to five years, depending on how often your home experiences blackouts or brownouts. If your unit is susceptible to more frequent electrical surges, consider replacing your surge protector every two years. Consult your HVAC professional to determine when and how often to replace your HVAC surge protectors.

Most experts recommend getting three to five HVAC quotes from licensed, insured, reputable local heating and cooling companies. Getting multiple detailed HVAC quotes (but not too many) lets you compare the equipment, services, and prices of several contractors without being overwhelmed by options. It can also let you see if one contractor’s prices are much higher or lower than the others and give you a chance to ask for clarification. That way, you can weed out any contractors who aren’t providing quality services or materials and find the company that best meets your budget, quality requirements, and long-term goals.

The Colma, CA homeowners’ guide to air conditioning services

From average costs to expert advice, get all the answers you need to get your job done.