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Avatar for Albert Nahman Plumbing, Heating, and Cooling

Albert Nahman Plumbing, Heating, and Cooling

4.45(
686
)
Approved Pro

Albert Nahman Plumbing, Heating, and Cooling

4.45(
686
)
Approved Pro
Customers say: Super punctual
700 local quotes requested
44 years of experience

Albert Nahman Services was founded in 1981 and has been serving Berkeley, CA and it surrounding areas in all their plumbing and HVAC needs. Each of our technicians went through rigorous training so we can guarantee that you will be receiving the proper service. We are also insured and supply a warranty for our parts for five years and up to twenty years on an re-piping or sewer replacement. Call us now to make your appointment!

"The plumbing technicians came out as promised to assess the leak. They were both very courteous and kind and assessed the damage. I am giving three stars because they estimated the cost to be almost 250% higher than what the actual cost was to fix the issue. I am sure there are customers out there that would just accept any bid however, please get multiple beds for these projects, especially when working with this company as they will inflate the cost to take advantage of the situation. I ended up only paying for the $79 estimate."

Kevin C on September 2025

Albert Nahman Services was founded in 1981 and has been serving Berkeley, CA and it surrounding areas in all their plumbing and HVAC needs. Each of our technicians went through rigorous training so we can guarantee that you will be receiving the proper service. We are also insured and supply a warranty for our parts for five years and up to twenty years on an re-piping or sewer replacement. Call us now to make your appointment!

"The plumbing technicians came out as promised to assess the leak. They were both very courteous and kind and assessed the damage. I am giving three stars because they estimated the cost to be almost 250% higher than what the actual cost was to fix the issue. I am sure there are customers out there that would just accept any bid however, please get multiple beds for these projects, especially when working with this company as they will inflate the cost to take advantage of the situation. I ended up only paying for the $79 estimate."

Kevin C on September 2025


Avatar for Bell Brothers Plumbing Heating & Air

Bell Brothers Plumbing Heating & Air

4.66(
387
)
Approved Pro

Bell Brothers Plumbing Heating & Air

4.66(
387
)
Approved Pro
Customers say: Super punctual
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
50 local quotes requested

We are locally owned and operated, and serving the Bay Area. Our focus is residential air conditioning, heating, Installation of HVAC systems and full-service plumbing. We love working with homeowners and helping to take care of their precious homes. We also keep busy doing light commercial service. Serving California since 1954, financing options available, We don't charge extra for Saturday service calls.

"Called this company for their $77 dollar, which they advertised with a flyer, for a tune-up and cleaning for my heating system. They are a Hayward company and I was told that our Castro Valley home was not in their service area. I bet if I called to buy a new heater they would be out in a day."

Gregory O on March 2023

We are locally owned and operated, and serving the Bay Area. Our focus is residential air conditioning, heating, Installation of HVAC systems and full-service plumbing. We love working with homeowners and helping to take care of their precious homes. We also keep busy doing light commercial service. Serving California since 1954, financing options available, We don't charge extra for Saturday service calls.

"Called this company for their $77 dollar, which they advertised with a flyer, for a tune-up and cleaning for my heating system. They are a Hayward company and I was told that our Castro Valley home was not in their service area. I bet if I called to buy a new heater they would be out in a day."

Gregory O on March 2023


Pinnacle Energy Solutions-Unlicensed Contractor

5.00(
1
)
Approved Pro

Pinnacle Energy Solutions-Unlicensed Contractor

5.00(
1
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
8 years of experience

Pinnacle Energy Solutions has become a staple of professionalism and quality work in San Ramon for years. With decades of experience, there is no job too large or small. Call today to schedule an appointment!

"The thing I appreciate with Steven is, there is no sales pitch! He paired us with best options we have and he always gets back and answers any questions we have to me! Just great!"

Greg N on August 2021

Pinnacle Energy Solutions has become a staple of professionalism and quality work in San Ramon for years. With decades of experience, there is no job too large or small. Call today to schedule an appointment!

"The thing I appreciate with Steven is, there is no sales pitch! He paired us with best options we have and he always gets back and answers any questions we have to me! Just great!"

Greg N on August 2021


Avatar for Posert Energy Consulting

Posert Energy Consulting

4.72(
44
)
Approved Pro

Posert Energy Consulting

4.72(
44
)
Approved Pro
Customers say: True professional
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
13 local quotes requested

At Posert Energy Consulting, we pride our company on reliability, great communication, integrity, and quality work. We strongly believe we can find the sources of high energy bills within an hour or two and set you on a path towards lower energy costs and energy independence. We are committed to eliminating greenhouse gas sources from residences as much as possible which includes our experience that about 2/3rd of the homes we visit have gas line leaks! We are experts, and will always keep you educated about the work process. We look forward to earning your business!

"Pete is fantastic! He called back promptly -- on a holiday -- and fit us in within 24 hrs. He did a home electrical audit, showed us how to read/interpret the smart meter and PG&E website re electrical usage, performed troubleshooting, and narrowed down the problem. Now we can hire an electrician because we know what the issue is! Great guy with a great personality and excellent customer service. Five out of five stars!!!!"

Jennifer L on May 2024

At Posert Energy Consulting, we pride our company on reliability, great communication, integrity, and quality work. We strongly believe we can find the sources of high energy bills within an hour or two and set you on a path towards lower energy costs and energy independence. We are committed to eliminating greenhouse gas sources from residences as much as possible which includes our experience that about 2/3rd of the homes we visit have gas line leaks! We are experts, and will always keep you educated about the work process. We look forward to earning your business!

"Pete is fantastic! He called back promptly -- on a holiday -- and fit us in within 24 hrs. He did a home electrical audit, showed us how to read/interpret the smart meter and PG&E website re electrical usage, performed troubleshooting, and narrowed down the problem. Now we can hire an electrician because we know what the issue is! Great guy with a great personality and excellent customer service. Five out of five stars!!!!"

Jennifer L on May 2024


Avatar for Paradigm Shift Solar

Paradigm Shift Solar

No reviews yet

Paradigm Shift Solar

No reviews yet
3 years of experience

With over 7 years experience, we work with 5 of the top, most highly rated solar installers in the country. Unlike other solar companies, we are able to work with you to get you up to 3 competitive quotes to compare. No need to waste hours consulting with multiple solar sales people. One conversation. Three quotes. Our process starts with a quick 15 minute discovery call to determine exactly how much solar you need for your home. No more. No less.

With over 7 years experience, we work with 5 of the top, most highly rated solar installers in the country. Unlike other solar companies, we are able to work with you to get you up to 3 competitive quotes to compare. No need to waste hours consulting with multiple solar sales people. One conversation. Three quotes. Our process starts with a quick 15 minute discovery call to determine exactly how much solar you need for your home. No more. No less.



"Had them out about 7 months ago to replace insides of my dryer as it was not working. Thought they did the job as our dryer worked. Then two days later the credit card I used to pay them had several unauthorized charges on it. Now 7 months later my dryer needs to be fixed again, with all of the rollers replaced, which is what they said they did 7 months ago. They are crooks. DO NOT USE THIS COMPANY."

Bill I on May 2024

Book us ONLINE and take $10 Discount with repair Professional Technicians Available 7 days a week. Same day Service. Fast service for ALL Appliance. Our Work is 100% Guaranteed.

"Had them out about 7 months ago to replace insides of my dryer as it was not working. Thought they did the job as our dryer worked. Then two days later the credit card I used to pay them had several unauthorized charges on it. Now 7 months later my dryer needs to be fixed again, with all of the rollers replaced, which is what they said they did 7 months ago. They are crooks. DO NOT USE THIS COMPANY."

Bill I on May 2024


Avatar for CalSolar

CalSolar

No reviews yet

CalSolar

No reviews yet
15 years of experience

CalSolar serves agri-businesses, municipalities, businesses and homeowners throughout the state of California. It’s our mission to help home and business owners: 1. Save Money. 2. Become "Energy Independent". 3. Help the Environment. CalSolar customizes every Solar system. Customers receive the highest quality solar system, top-tier customer service, design and installation.

CalSolar serves agri-businesses, municipalities, businesses and homeowners throughout the state of California. It’s our mission to help home and business owners: 1. Save Money. 2. Become "Energy Independent". 3. Help the Environment. CalSolar customizes every Solar system. Customers receive the highest quality solar system, top-tier customer service, design and installation.


Avatar for Allstate Spray Foam Insulaiton

Allstate Spray Foam Insulaiton

5.00(
1
)

Allstate Spray Foam Insulaiton

5.00(
1
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

We are a family-owned company that has been in the spray foam business for over 20 years serving Fresno, Clovis, Bakersfield, Oildale and surrounding areas of Visalia California for many years. Spray polyurethane foam (SPF) is a spray-applied plastic that is widely used to insulate buildings and seal cracks and gaps, making a building or home more energy-efficient and comfortable. SPF insulation is known to resist heat transfer extremely well, and it offers a highly effective solution in reducing unwanted air infiltration through cracks, seams, and joints.Attic Spray Foam Insulation Did you know you could be losing up to 40% of your homes energy through the attic alone?! Using Spray Foam Insulation in your Attic is the only solution you should be considering to remedy your attic’s insulation needs. The attic is the part of the house which is easily over looked, but it is also the part of the home that is most susceptible to the external temperature changes. If you attic is not properly insulated it can lead to huge amounts of energy loss and the fluctuation of the temperature within your home. Proper attic spray foam insulation serves as the key to limit and control the effect of the external temperatures on your homes interior environment, monthly energy bills and energy loss.

"Rusty Schrader the owner/operator is a life saver and went out of his way to help me. He is very knowledgeable in the business and I highly recommend this company. You won’t find anyone more honest, helpful, and responsive so don’t even bother looking"

Pat F on June 2020

We are a family-owned company that has been in the spray foam business for over 20 years serving Fresno, Clovis, Bakersfield, Oildale and surrounding areas of Visalia California for many years. Spray polyurethane foam (SPF) is a spray-applied plastic that is widely used to insulate buildings and seal cracks and gaps, making a building or home more energy-efficient and comfortable. SPF insulation is known to resist heat transfer extremely well, and it offers a highly effective solution in reducing unwanted air infiltration through cracks, seams, and joints.Attic Spray Foam Insulation Did you know you could be losing up to 40% of your homes energy through the attic alone?! Using Spray Foam Insulation in your Attic is the only solution you should be considering to remedy your attic’s insulation needs. The attic is the part of the house which is easily over looked, but it is also the part of the home that is most susceptible to the external temperature changes. If you attic is not properly insulated it can lead to huge amounts of energy loss and the fluctuation of the temperature within your home. Proper attic spray foam insulation serves as the key to limit and control the effect of the external temperatures on your homes interior environment, monthly energy bills and energy loss.

"Rusty Schrader the owner/operator is a life saver and went out of his way to help me. He is very knowledgeable in the business and I highly recommend this company. You won’t find anyone more honest, helpful, and responsive so don’t even bother looking"

Pat F on June 2020


Innovative Energy Solutions

No reviews yet

Innovative Energy Solutions

No reviews yet

Title 24 HERS Testing for Residential Projects involving Heating & Cooling System changes or additions. New Construction HERS Testing. Pre-exisiting conditions documents. Duct Leakage Testing is the most familiar test involved in HERS Testing.

Title 24 HERS Testing for Residential Projects involving Heating & Cooling System changes or additions. New Construction HERS Testing. Pre-exisiting conditions documents. Duct Leakage Testing is the most familiar test involved in HERS Testing.

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Energy Efficiency Auditing questions, answered by experts

The best way to save money on home heating oil is to get large deliveries in the summer months when the prices are lowest. However, this method will only work if you have a separate storage tank or an unusually large primary tank. You can sometimes save money by opting into a delivery contract, as some companies offer set prices that they believe will sit at the average cost over the contract term. If the price of oil rises, you could enjoy some savings, but keep in mind that you might also pay a bit more if the price decreases.

If you install LED bulbs, they will use much less energy than incandescent bulbs. LED light strips also use less power. Battery-operated puck lights use no electricity at all, but you will need to replace the batteries as needed. They are beneficial if your power goes out, too, as they will remain on as a light source. 

Costs depend on the property size, audit complexity, and whether additional testing (e.g., blower door) is included.

Motion-sensor lights use one watt while on standby and five watts while turned on. They’re usually on for one hour over a 24-hour period, bringing the total wattage to about 28 watts per day. LED lights use around 6.5 to 8 watts while on. If you leave an LED light on all night, with night ranging from 10 to 14 hours, you’re looking at using 65 to 112 watts a night. You can minimally cut your wattage in half by switching to a motion-sensor light.

An average, 400-square-foot electric heated driveways consume approximately $3 per hour in terms of electricity. The price may slightly fluctuate depending on your local energy cost. A simple formula to calculate your heated driveway’s total wattage consumption is by multiplying the square footage by 50 watts and then dividing it by 1,000 to get the kilowatt number. Multiply that with your local energy cost per hour and there you have the hourly operating cost.

The Pacifica, CA homeowners’ guide to energy efficiency auditing services

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