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TRUSTED BY MOUNT RAINIER, MD HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon19
    Verified solar panel services reviews

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Joseph plumbing & drain

4.91(
129
)
Approved Pro

Joseph plumbing & drain

4.91(
129
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
8 years of experience

Joseph Plumbing & Drain, LLC is College Park's premier plumbing company. Call us for all of your plumbing needs. With 15 years experience we aim to not only meet but exceed your expectations. Call us today and see why your neighbors use Joseph Plumbing & Drain, LLC! Master License 72767

"Excellent job"

Chiang K on October 2025

Joseph Plumbing & Drain, LLC is College Park's premier plumbing company. Call us for all of your plumbing needs. With 15 years experience we aim to not only meet but exceed your expectations. Call us today and see why your neighbors use Joseph Plumbing & Drain, LLC! Master License 72767

"Excellent job"

Chiang K on October 2025


Avatar for GAC Services

GAC Services

4.80(
279
)
Approved Pro

GAC Services

4.80(
279
)
Approved Pro
Customers say: Quick response
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
56 years of experience

GAC Services is a residential cooling, heating, and electrical contractor setting new standards in the Maryland HVAC and electric market. Since 1970, we’ve developed a strong reputation for providing the Montgomery County and Frederick County areas with reliable cooling and heating services. In 2014, we expanded our service offerings to include electrical services—allowing us to offer our customers the same great service in a new area of business. Additional DBA: Gaithersburg Heating & Cooling

"Highly professional, knowledgeable and well behaved technician. Prices offered were good too. I definitely recommend the company."

Deepak U on February 2025

GAC Services is a residential cooling, heating, and electrical contractor setting new standards in the Maryland HVAC and electric market. Since 1970, we’ve developed a strong reputation for providing the Montgomery County and Frederick County areas with reliable cooling and heating services. In 2014, we expanded our service offerings to include electrical services—allowing us to offer our customers the same great service in a new area of business. Additional DBA: Gaithersburg Heating & Cooling

"Highly professional, knowledgeable and well behaved technician. Prices offered were good too. I definitely recommend the company."

Deepak U on February 2025


Avatar for Lumina Solar, Inc.

Lumina Solar, Inc.

4.97(
127
)
Approved Pro

Lumina Solar, Inc.

4.97(
127
)
Approved Pro
Customers say: Quality work
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
8 years of experience

We are a locally owned and operated company that values honesty and integrity in all aspects of our business. We offer a variety of solar installation tasks that can be customized to each individual property. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships with our clients and guarantee your satisfaction!

"Lumina Solar was outstanding from start to finish. The company was very professional, and the crews were polite and respectful while working on our home. The installation was top-notch with no issues at all—it looks great and we’ve had zero leaks. Additionally, our energy bills are noticeably lower, and in some months, PECO even pays us. We’re delighted with our decision to go with Lumina Solar and couldn’t recommend their team more highly."

Michael B on August 2025

We are a locally owned and operated company that values honesty and integrity in all aspects of our business. We offer a variety of solar installation tasks that can be customized to each individual property. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships with our clients and guarantee your satisfaction!

"Lumina Solar was outstanding from start to finish. The company was very professional, and the crews were polite and respectful while working on our home. The installation was top-notch with no issues at all—it looks great and we’ve had zero leaks. Additionally, our energy bills are noticeably lower, and in some months, PECO even pays us. We’re delighted with our decision to go with Lumina Solar and couldn’t recommend their team more highly."

Michael B on August 2025


Avatar for Remedy Plumbing and Drain Cleaning

Remedy Plumbing and Drain Cleaning

4.90(
63
)
Approved Pro

Remedy Plumbing and Drain Cleaning

4.90(
63
)
Approved Pro
Customers say: Quick response
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
19 years of experience

We are a family-owned business. We listen to your needs and offer quality plumbing and specialized in drain solutions. The knowledge and experience acquired in 15 years is enough to get your systems back in working order in no time. No matter what your plumbing or drain issue is, we will provide the solution quickly. No job is too small or big. Please call us for a free estimate today 240-918-4809

"Excellent, efficient, and affordable!"

Dan G on November 2025

We are a family-owned business. We listen to your needs and offer quality plumbing and specialized in drain solutions. The knowledge and experience acquired in 15 years is enough to get your systems back in working order in no time. No matter what your plumbing or drain issue is, we will provide the solution quickly. No job is too small or big. Please call us for a free estimate today 240-918-4809

"Excellent, efficient, and affordable!"

Dan G on November 2025


Avatar for Sila Heating, Cooling and Plumbing

Sila Heating, Cooling and Plumbing

4.75(
1,971
)
Approved Pro

Sila Heating, Cooling and Plumbing

4.75(
1,971
)
Approved Pro
Customers say: Super punctual
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
37 years of experience

Live Your Most Comfortable Life with a Company You Trust. We offer Same Day Service and Next Day Installation! Sila has been the center of delighting homeowners since 1989, with our team of engineers, certified technicians, and system designers that are proud to deliver the highest level of expertise in the HVAC industry. Whether it’s a repair, replacement, installation, or service, we have an unwavering commitment to keeping you and your family comfortable and safe — season after season. We guarantee satisfaction and are proud to have earned over 7,000 “A” ratings on Angie’s List and its prestigious Super Service Award!

"They charged $98 to come give me an estimate for swapping our a shower valve cartridge, which was fine, but the pricing they provided was completely unreasonable, $1,000. They were unwilling to provide any detail for the price. I ended up buy the part myself for $30 and replaced it in 30 minutes."

Tom A on October 2024

Live Your Most Comfortable Life with a Company You Trust. We offer Same Day Service and Next Day Installation! Sila has been the center of delighting homeowners since 1989, with our team of engineers, certified technicians, and system designers that are proud to deliver the highest level of expertise in the HVAC industry. Whether it’s a repair, replacement, installation, or service, we have an unwavering commitment to keeping you and your family comfortable and safe — season after season. We guarantee satisfaction and are proud to have earned over 7,000 “A” ratings on Angie’s List and its prestigious Super Service Award!

"They charged $98 to come give me an estimate for swapping our a shower valve cartridge, which was fine, but the pricing they provided was completely unreasonable, $1,000. They were unwilling to provide any detail for the price. I ended up buy the part myself for $30 and replaced it in 30 minutes."

Tom A on October 2024


Avatar for DAY & NIGHT PLUMBER LLC

DAY & NIGHT PLUMBER LLC

4.84(
88
)
Approved Pro

DAY & NIGHT PLUMBER LLC

4.84(
88
)
Approved Pro
Customers say: Quick response
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
6 years of experience

We have 19+ years of plumbing experience to service in residential clients. We are drain cleaning specialists. We have extensive experience performing repairs on different piping systems, snaking drains, fixing leaks, and installing pipes and water heaters. We provide free estimate.

"They were very professional. They showed up on time and did a great job. I was working from home and they caused minimal noise and disruption."

Kristy H on September 2025

We have 19+ years of plumbing experience to service in residential clients. We are drain cleaning specialists. We have extensive experience performing repairs on different piping systems, snaking drains, fixing leaks, and installing pipes and water heaters. We provide free estimate.

"They were very professional. They showed up on time and did a great job. I was working from home and they caused minimal noise and disruption."

Kristy H on September 2025


Avatar for Jimmy Gusky Heating & Air LLC

Jimmy Gusky Heating & Air LLC

4.52(
323
)
Approved Pro

Jimmy Gusky Heating & Air LLC

4.52(
323
)
Approved Pro
Customers say: Terrific value
30 years of experience
Emergency services offered

Family owned & operated. Jimmy Gusky LLC is here to serve you in the warm and cold seasons. With more than 30 years of plumbing & HVAC experience, we work on every project with attention to detail and time. HVAC, plumber, commercial plumbing, repair boilers, heating repair. Additional DBA - JCF Inc .

"Jimmy showed up to my home during a time when my thermostat was not working. That issue was fixed. He sold me a services contract and told me when he returned to services the units, he will cover the pipes outdoors. I purchased the contract for twice per year maintenance. I scheduled with him for a specific date. Appointment was confirmed but Jimmy did not show. When I called, he it appears that he forgot my appointment and he rescheduled saying he could not work in the rain. He rescheduled for a few days after and one of his workers showed up (Carlos). The guy showed up looking like he was someone who does not want to work and unprepared. So, I asked him if he has filters and he said know. Jimmy's workman did not bring filter, so I offered him filters I had stored. I asked him if he bought things to cover the pipes at the back, he said no. I called and left a message for Jimmy. Carlos was so rude and unprofessional. I was so scared of him and the way he was behaving. Carlos then said he would NOT do any service. IT WAS A WASTE OF MY TIME. He did return my money. BUT I will not recommend him. Will NOT use him again. As woman I will not hire again. Customer services was poor, reliability and punctuality poor."

Bibi K on October 2022

Family owned & operated. Jimmy Gusky LLC is here to serve you in the warm and cold seasons. With more than 30 years of plumbing & HVAC experience, we work on every project with attention to detail and time. HVAC, plumber, commercial plumbing, repair boilers, heating repair. Additional DBA - JCF Inc .

"Jimmy showed up to my home during a time when my thermostat was not working. That issue was fixed. He sold me a services contract and told me when he returned to services the units, he will cover the pipes outdoors. I purchased the contract for twice per year maintenance. I scheduled with him for a specific date. Appointment was confirmed but Jimmy did not show. When I called, he it appears that he forgot my appointment and he rescheduled saying he could not work in the rain. He rescheduled for a few days after and one of his workers showed up (Carlos). The guy showed up looking like he was someone who does not want to work and unprepared. So, I asked him if he has filters and he said know. Jimmy's workman did not bring filter, so I offered him filters I had stored. I asked him if he bought things to cover the pipes at the back, he said no. I called and left a message for Jimmy. Carlos was so rude and unprofessional. I was so scared of him and the way he was behaving. Carlos then said he would NOT do any service. IT WAS A WASTE OF MY TIME. He did return my money. BUT I will not recommend him. Will NOT use him again. As woman I will not hire again. Customer services was poor, reliability and punctuality poor."

Bibi K on October 2022


Avatar for Roto-Rooter Plumbing & Water Cleanup

Roto-Rooter Plumbing & Water Cleanup

4.36(
597
)
Approved Pro

Roto-Rooter Plumbing & Water Cleanup

4.36(
597
)
Approved Pro
Customers say: Quick response
91 years of experience
Free onsite estimate

When you need an emergency plumber or a drain cleaner, call Roto-Rooter Plumbing & Water Cleanup. Your fast & reliable plumber can fix any plumbing problem, including sump pumps, toilet repair, faucet repair, faucet replacement, garbage disposals, water heaters, bathtubs, showers, and outside faucets. Roto-Rooter is best known for drain cleaning & sewer cleaning. We fix drain clogs, clogged toilets or sinks, blockage of main sewer lines, slow draining shower and bathtub drains, sewer lines and leaking or burst pipes. We also specialize in water damage restoration & water cleanup services. We can fix and clean up your flooded basement too. Roto-Rooter is a 24-hour plumber near you and provides emergency service.

"Roto Rooter did an awesome job replacing my main line. They worked all day and night to get the job done. Quality work at a great price. Again a huge thank you to Roland, Brandon, Wayne, Umasis, Dillion, Cliff, Damon, and Thomas. Awesome job ! Tight spot and a deep trench. Happy Holidays ! Hope you get some rest."

Francis B on December 2025

When you need an emergency plumber or a drain cleaner, call Roto-Rooter Plumbing & Water Cleanup. Your fast & reliable plumber can fix any plumbing problem, including sump pumps, toilet repair, faucet repair, faucet replacement, garbage disposals, water heaters, bathtubs, showers, and outside faucets. Roto-Rooter is best known for drain cleaning & sewer cleaning. We fix drain clogs, clogged toilets or sinks, blockage of main sewer lines, slow draining shower and bathtub drains, sewer lines and leaking or burst pipes. We also specialize in water damage restoration & water cleanup services. We can fix and clean up your flooded basement too. Roto-Rooter is a 24-hour plumber near you and provides emergency service.

"Roto Rooter did an awesome job replacing my main line. They worked all day and night to get the job done. Quality work at a great price. Again a huge thank you to Roland, Brandon, Wayne, Umasis, Dillion, Cliff, Damon, and Thomas. Awesome job ! Tight spot and a deep trench. Happy Holidays ! Hope you get some rest."

Francis B on December 2025


Avatar for HPC Services

HPC Services

5.00(
15
)
Approved Pro

HPC Services

5.00(
15
)
Approved Pro
Customers say: Quick response
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
2 years of experience

No call out fee! Call today for your free quote! 15% Military and Veterans discount! $50 Water Heater Tune Up! $50 AC Tune Up! HPC Services is a proud Service Disabled Veteran Owned Small Business brining a fresh take on HVAC and plumbing to Maryland. Our technicians are trained to service, repair, and maintain your systems. HPC Services offers HVAC servicing and repair, HVAC replacement, new HVAC installations, ductwork, duct and vent cleaning, plumbing services and pipe repairs, main drain line snaking, line snaking, drain cleaning, clog removal and more! Financing available!

"Brandon identified and isolated the water leak immediately. His expertise and speed were unmatched."

Ashley S on February 2025

No call out fee! Call today for your free quote! 15% Military and Veterans discount! $50 Water Heater Tune Up! $50 AC Tune Up! HPC Services is a proud Service Disabled Veteran Owned Small Business brining a fresh take on HVAC and plumbing to Maryland. Our technicians are trained to service, repair, and maintain your systems. HPC Services offers HVAC servicing and repair, HVAC replacement, new HVAC installations, ductwork, duct and vent cleaning, plumbing services and pipe repairs, main drain line snaking, line snaking, drain cleaning, clog removal and more! Financing available!

"Brandon identified and isolated the water leak immediately. His expertise and speed were unmatched."

Ashley S on February 2025


Avatar for Len The Plumber Heating & Air, LLC

Len The Plumber Heating & Air, LLC

3.90(
650
)
Approved Pro

Len The Plumber Heating & Air, LLC

3.90(
650
)
Approved Pro
Customers say: Super punctual
30 years of experience
Emergency services offered

Len The Plumber, LLC. is a leading plumbing and drain company serving Maryland and Washington D.C. Our certified professional plumbers are available same day to assist residential customers in Charles County, Montgomery County, Prince George’s County, and Washington D.C. Our knowledgeable plumbers have years of experience dealing with a wide variety of plumbing issues including plumbing repairs, drain cleaning, water heaters, well systems, heating systems, sewer, water, and gas lines. We’re open 7 days a week with no extra charge on evenings or weekends!

"Tried to schedule a routine maintenance appointment available to customers who signed up for service plans, but Len could not follow through with their commitment three failed/rescheduled appointments in a row!! Each required four hour commitments from the customer. I tried to communicate with dispatch and customer service but unfortunately I don’t think these two departments have an open line of communication between them. I would not recommend for anyone to work with or engage with this company. Len did not follow through on their half of the commitment and disrespected my time as an in office working professional."

Kayla B on July 2025

Len The Plumber, LLC. is a leading plumbing and drain company serving Maryland and Washington D.C. Our certified professional plumbers are available same day to assist residential customers in Charles County, Montgomery County, Prince George’s County, and Washington D.C. Our knowledgeable plumbers have years of experience dealing with a wide variety of plumbing issues including plumbing repairs, drain cleaning, water heaters, well systems, heating systems, sewer, water, and gas lines. We’re open 7 days a week with no extra charge on evenings or weekends!

"Tried to schedule a routine maintenance appointment available to customers who signed up for service plans, but Len could not follow through with their commitment three failed/rescheduled appointments in a row!! Each required four hour commitments from the customer. I tried to communicate with dispatch and customer service but unfortunately I don’t think these two departments have an open line of communication between them. I would not recommend for anyone to work with or engage with this company. Len did not follow through on their half of the commitment and disrespected my time as an in office working professional."

Kayla B on July 2025

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Solar Panels questions, answered by experts

The morning sun can be better for solar panels because it’s often brighter and clearer than the afternoon sun. The brighter the sun, the more energy solar panels produce. The strongest rays occur during midday, which tends to be prime time for solar energy generation. Most homes get a mix of morning and afternoon sunlight.

Yes, a solar panel can power a TV without a battery, but only if the sun is shining and the panel is generating enough energy. Your solar panel and TV must have the same voltage, and you should install a charge controller and inverter between them so power surges don’t destroy your TV. To watch TV at night, in the early morning and late afternoon, and on cloudy days, your home must be tied to the power grid.

You can start narrowing your search for a reputable solar company by finding local, regional, and national companies that service your area and maintain positive reviews online. You should also check the Better Business Bureau’s (BBB) website to see if the company has complaints filed against them. Next, contact the remaining candidates and ask about installation timelines, warranty coverage, and financing options. Choose a company that offers a labor warranty that lasts at least 10 years and prioritizes cash purchases and solar loans.

You can install solar panels on a flat or pitched roof, but keep in mind that they will need to rest at a 30- to 50-degree tilt for optimal sun absorption. It costs more to install solar panels on a flat roof because you will need to install a framing system and likely hire a structural engineer. If your roof has a pitch of more than 40 degrees, it may not be a good candidate for solar panels.

The time it takes to install solar panels depends on the number of panels and the size of your home, but installation takes between two and three days of work. While most contractors can install the panels over the course of a couple of days, switching to solar energy can take two to three months in total. This includes the time it takes to design the system, procure the parts, obtain the permits, install the panels, connect to the main power grid, and get an inspection.

The Mount Rainier, MD homeowners’ guide to solar panel services

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

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