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Avatar for DUKES HEATING & AIR CONDITIONING
DUKES HEATING & AIR CONDITIONING
4.8(
135
)

Serving Sunol, CA and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"Duke did a great job at a fair price. We needed AC and decided to replace our old furnace at the same time. In addition Duke wrapped with insulating bubble wrap our old ducts that were exposed. He tied the drip line into our existing downspout in a neat fashion. I'd highly recommend him (he's a fellow submarine vet too!!)."
Heat Pump Repairs & Installations
Central Air Cut-Ins
Electric Furnace Repairs & Installations
Response time4 days
34 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for Smart Heating and Air Conditioning, Inc.
Smart Heating and Air Conditioning, Inc.
5.0(
16
)

Serving Sunol, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2021

Free estimates

Emergency services offered

"Fast and available when i needed them in a pinch. Sam did and amazing job! He listed out my options and walked me through each solution to get my air conditioning in working order ago. Would use this company again"
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+27

Response time1 day
21 neighbors recently requested a quote
Recommended by78%of homeowners
Avatar for T.A.S.K.
T.A.S.K.
4.9(
236
)

Serving Sunol, CA and surrounding areas

Approved

In business since 2010

Free estimates

Warranties offered

"James is the best! I have used him for many years and he is my go-to for dryer vent cleaning. He is very experienced and also very reasonable in price. You can't go wrong with TASK."
14 neighbors recently requested a quote
Recommended by99%of homeowners
Avatar for Air & Plumbing Systems Inc.
Air & Plumbing Systems Inc.
4.6(
85
)

Serving Sunol, CA and surrounding areas

Approved

In business since 2006

Free estimates

Offers commercial services

"Great team! Mark, Sergii and Pavel replaced my furnace and installed an AC. It was a real pleasure to work with them. Mark listened carefully and provided several options for me to choose from. He was also flexible on scheduling the work to match my family needs. Sergii and Pavel performed the installation exactly as planned, kept the house clean, and payed a lot of attention to the aesthetics of the visible parts of the system. They explained to me where they'd run the lines, what were the options and why they preferred one over the other. I'm very happy with the choice of brand and model and with the installation. The team really cares about their customers. Thank you!"
Response time2 hrs
Response rate93%
4 neighbors recently requested a quote
Avatar for Albert Nahman Plumbing, Heating, and Cooling
Albert Nahman Plumbing, Heating, and Cooling
4.4(
717
)

Serving Sunol, CA and surrounding areas

Approved (Corporate)

In business since 1981

Free estimates

Warranties offered

"Albert Nahman PHC installed new AC and Furnace for my house. I like them for several reasons -- 1. At first Tom explained in detail what equipment I need and how they work, and gave me a reasonable and detailed quote at end of the visit. 2. They offer interest free finance. 3. I got free upgrade for furnace when the original quoted is not available. 4. Their installer did good job, and cleaned up afterward. I highly recommend this company."
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 Chill Heating & Cooling
Chill Heating & Cooling
4.3(
20
)

Serving Sunol, CA and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"The contractor was friendly, found the issue to my HVAC heating system, repaired and provided alternative solutions should I need to replace the system due to its age."
New Split System
Place for AC
NEW AC Condenser
OLD AC Condenser
NEW AC Condenser

+4

Response time1 hour
4 neighbors recently requested a quote
Recommended by40%of homeowners
Avatar for Pacific Coast Home Services
Pacific Coast Home Services
3.7(
319
)

Serving Sunol, CA and surrounding areas

Approved

In business since 2011

Free estimates

Emergency services offered

"Mr. Juan Galvan, HVAC Technician explained APCO Air Purifier functions and furnace cleaning process. He was thorough, professional and very efficient."
Total rewire
Emergency Call
Burned Outlet
emergency fire
Call Center.. 24/7 ready to Serve

+14

Response time11 hrs
29 neighbors recently requested a quote
Recommended by88%of homeowners
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Showing 1-10 of 236
Air Conditioning questions, answered by experts

A blocked return air vent can cause your HVAC system to work much harder and, therefore, less efficiently. The result is higher utility bills and poorer air quality. A blocked return air vent can also cause unpleasant dust, dander, and odors to linger in your home’s air.

When first installed, flex ducts shouldn’t cause airflow problems in your home. However, because flex ducts aren’t the sturdiest and require extra support, they lose their durability over time and begin to sag, which can inhibit airflow down the road. Also, if your flex ducts aren’t tight enough, your HVAC could work twice as hard for the same air pressure. If you’re worried about the airflow in your home, a rigid duct may be your best bet.

AC drip pans last five to 20 years, depending on the material. Plastic AC drip pans last five to 10 years, while metal pans can last over 10 years. Plastic AC drip pans are vulnerable to cracking in response to temperature changes. Metal drip pans are prone to rusting over time, which can also lead to leaks.

Your heating and cooling systems cost you the most on your electric bill and make up 50% of your bill on average. Your washing machine, dryer, oven, and stove contribute significantly to your electric bill as well. Lights, fans, and smaller electronics add up, but aren’t the biggest energy consumers. You can reduce your power usage by setting optimal temperatures on your thermostat and investing in energy-efficient appliances.

On a summer day, expect your AC to run between 12 and 16 hours. However, this time frame depends on just how hot it is outside and the comfortable temperature you’re hoping to maintain indoors. Assuming the size of your AC is appropriate for the space you’re trying to cool, it shouldn’t be a problem for it to work this many hours.

The Sunol, CA homeowners’ guide to air conditioning services

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