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Avatar for Environmental Testing & Research Laboratories, Inc

Environmental Testing & Research Laboratories, Inc

4.85(
347
)

Environmental Testing & Research Laboratories, Inc

4.85(
347
)
Customers say: True professional
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers

ETR Laboratories in an analytic laboratory with a broad range of commercial, industrial and individual clients. We provide analytic services using a wide variety of scientific methods including GC/MS, IC/MS, GIR, NMR and SEM equipment. We can do particle analysis, organic and inorganic chemical analysis and micro analysis on biological and other materials. Private water analysis is our specialty. Award winning. Additional DBA - Environmental Testing & Research Laboratories Inc, ETR Labs, ETR Laboratories.

"as advertised"

Nancy C on July 2018

ETR Laboratories in an analytic laboratory with a broad range of commercial, industrial and individual clients. We provide analytic services using a wide variety of scientific methods including GC/MS, IC/MS, GIR, NMR and SEM equipment. We can do particle analysis, organic and inorganic chemical analysis and micro analysis on biological and other materials. Private water analysis is our specialty. Award winning. Additional DBA - Environmental Testing & Research Laboratories Inc, ETR Labs, ETR Laboratories.

"as advertised"

Nancy C on July 2018


STANFIELD AIR SYSTEMS

4.88(
68
)

STANFIELD AIR SYSTEMS

4.88(
68
)
Customers say: Quick response
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers

Family owned and operated since 1968. Stanfield Air Systems makes it good to come home. Using the right systems with the right staff at the right price, Stanfield assures that you'll have smooth-running comfort year round.

"Brett was punctual, professional, pleasant and knowledgeable."

Al L on July 2025

Family owned and operated since 1968. Stanfield Air Systems makes it good to come home. Using the right systems with the right staff at the right price, Stanfield assures that you'll have smooth-running comfort year round.

"Brett was punctual, professional, pleasant and knowledgeable."

Al L on July 2025


"Richard was thorough and communicated well through out process."

sandy w on October 2022

Owner operated since 1993. Provides residential air conditioning, heating, and plumbing services as well as energy solutions in a large radius around the Athens area. Provides emergency work on the weekends.

"Richard was thorough and communicated well through out process."

sandy w on October 2022


Avatar for Shumate Air Conditioning & Heating

Shumate Air Conditioning & Heating

4.71(
579
)

Shumate Air Conditioning & Heating

4.71(
579
)
Customers say: Super punctual
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers

Shumate Air Conditioning & Heating is a full service contractor supplying quality heating and air conditioning installation and repair services to a multitude of residential and commercial clients. We serve the greater Atlanta, GA, region including Alpharetta, Roswell, Marietta, Cumming, Suwanee, Norcross and Sandy Springs, GA. Additional contact - Mikhail Britt. Additional e-mail - [email protected]. 500 Employees. Additional phone number - (706) 485-3222. Award winning. Additional DBA - Shumate Mechanical.

"Okay"

FRANCES H on November 2022

Shumate Air Conditioning & Heating is a full service contractor supplying quality heating and air conditioning installation and repair services to a multitude of residential and commercial clients. We serve the greater Atlanta, GA, region including Alpharetta, Roswell, Marietta, Cumming, Suwanee, Norcross and Sandy Springs, GA. Additional contact - Mikhail Britt. Additional e-mail - [email protected]. 500 Employees. Additional phone number - (706) 485-3222. Award winning. Additional DBA - Shumate Mechanical.

"Okay"

FRANCES H on November 2022


Avatar for Reliable Heating & Air Plumbing & Electrical

Reliable Heating & Air Plumbing & Electrical

4.60(
1,204
)

Reliable Heating & Air Plumbing & Electrical

4.60(
1,204
)
Customers say: Super punctual
48 years of experience

Since 1978, Reliable has offered home services with exceptional reliability and customer service. We offer more financing options than any other company, even Comfort as a Service, a hassle free way to get energy-efficient heating and cooling systems, water heaters, water purification even generators for a low monthly payment and all repairs, maintenance even filters are NO additional CHARGE EVER. Reliable takes care of everything. That is an UNBEATABLE LIFETIME WARRANTY.

"I had a brand new heat pump system installed in April 2023. They sent subcontractors to install it who were very unprofessional and they left bare wires hanging out of the machine and it did not look like it was installed correctly. It stopped working completely 4 times in 5 months, the last time was on October 10, service tech said, “I really don’t agree with the way they installed it “ he said the wires were barely connected so it kept losing power. He got it working again and left. Two weeks ago it got cold and we turned the system to heat for the very first time. It blew cold air. We made ANOTHER service call. The technician said that a switch had “gone bad” because, “they wear out” we explained that we have never used the heat even once, so how could the switch be worn out. Then they advised they had to order a part. Over a week later the part came in and they returned and that still didn’t fix. Now they say the compressor has, “gone bad” and when we reiterated that we have never even used it so how is it worn out they answered, “they just go bad sometimes” we still don’t have heat, they say they have to order more parts. We asked them to look over the whole system because we don’t think it is installed right and I am genuinely concerned that it is a fire hazard and they looked at it, put electrical tape on some hanging wires and left. We have had to take SIX days off work so far and buy space heaters and we are no closer to having a working system. This unit is less then SIX MONTHS OLD. At this point I have no choice but to pursue legal action. This whole experience has been terrible and has cost me hundreds in missed time at work and I’m still paying for a system that does not work."

Nicole G on November 2023

Since 1978, Reliable has offered home services with exceptional reliability and customer service. We offer more financing options than any other company, even Comfort as a Service, a hassle free way to get energy-efficient heating and cooling systems, water heaters, water purification even generators for a low monthly payment and all repairs, maintenance even filters are NO additional CHARGE EVER. Reliable takes care of everything. That is an UNBEATABLE LIFETIME WARRANTY.

"I had a brand new heat pump system installed in April 2023. They sent subcontractors to install it who were very unprofessional and they left bare wires hanging out of the machine and it did not look like it was installed correctly. It stopped working completely 4 times in 5 months, the last time was on October 10, service tech said, “I really don’t agree with the way they installed it “ he said the wires were barely connected so it kept losing power. He got it working again and left. Two weeks ago it got cold and we turned the system to heat for the very first time. It blew cold air. We made ANOTHER service call. The technician said that a switch had “gone bad” because, “they wear out” we explained that we have never used the heat even once, so how could the switch be worn out. Then they advised they had to order a part. Over a week later the part came in and they returned and that still didn’t fix. Now they say the compressor has, “gone bad” and when we reiterated that we have never even used it so how is it worn out they answered, “they just go bad sometimes” we still don’t have heat, they say they have to order more parts. We asked them to look over the whole system because we don’t think it is installed right and I am genuinely concerned that it is a fire hazard and they looked at it, put electrical tape on some hanging wires and left. We have had to take SIX days off work so far and buy space heaters and we are no closer to having a working system. This unit is less then SIX MONTHS OLD. At this point I have no choice but to pursue legal action. This whole experience has been terrible and has cost me hundreds in missed time at work and I’m still paying for a system that does not work."

Nicole G on November 2023


Founded 2002 Serving Metro Atlanta and Athens We have over 20 years of experience in the HVAC industry. We make taking care of our customers, our number one priority. We won't be comfortable until you are!


Avatar for Peachtree Service Experts

Peachtree Service Experts

4.48(
343
)

Peachtree Service Experts

4.48(
343
)
Customers say: Super punctual
79 years of experience

Peachtree Service Experts Heating & Air has been able to serve the Atlanta community for almost 70 years. Our team of 33 technicians are all NATE-certified who have experience in repairing, servicing, and installing all of the top brands of, air conditioners, furnaces, air handlers, inside air quality and related equipment. All of our work is backed by our 100% Service Guarantee for 365 days. Call Peachtree Service Experts in Atlanta at 678-235-9699 today to schedule an HVAC repair, service, routine maintenance or get a free new system estimate.

"I have been a Peachtree client since the early 90?s. They have install three units in our home over those years. We also have always been under a service contract which is renewed yearly. Over the years we never had an issues until this year 2025. We just had a service visit and the tech Ronaldo was very thorough. Saw an issue with our system and asked about Carbon monoxide detectors in our home, which we do have. No other discussion. After he left I thought about that question and did some research. I decided to call Peachtree to speak with someone but the call center took a message and said someone would call back within a day. No return call. I waited two days and call again. Same answer. NOW A WEEK LATER AND NO RETURN CALL. There also may be an issue regarding if Peachtree did or did not file warranty on the unit with Lenox. BE CAREFUL. This was a great company when it was locally owned and operated. It has changed!!"

eric k on November 2025

Peachtree Service Experts Heating & Air has been able to serve the Atlanta community for almost 70 years. Our team of 33 technicians are all NATE-certified who have experience in repairing, servicing, and installing all of the top brands of, air conditioners, furnaces, air handlers, inside air quality and related equipment. All of our work is backed by our 100% Service Guarantee for 365 days. Call Peachtree Service Experts in Atlanta at 678-235-9699 today to schedule an HVAC repair, service, routine maintenance or get a free new system estimate.

"I have been a Peachtree client since the early 90?s. They have install three units in our home over those years. We also have always been under a service contract which is renewed yearly. Over the years we never had an issues until this year 2025. We just had a service visit and the tech Ronaldo was very thorough. Saw an issue with our system and asked about Carbon monoxide detectors in our home, which we do have. No other discussion. After he left I thought about that question and did some research. I decided to call Peachtree to speak with someone but the call center took a message and said someone would call back within a day. No return call. I waited two days and call again. Same answer. NOW A WEEK LATER AND NO RETURN CALL. There also may be an issue regarding if Peachtree did or did not file warranty on the unit with Lenox. BE CAREFUL. This was a great company when it was locally owned and operated. It has changed!!"

eric k on November 2025


Avatar for Cadence Home Improvements

Cadence Home Improvements

5.00(
5
)

Cadence Home Improvements

5.00(
5
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Cadence Home Improvemets is offering services to the Atlanta metropolitan area and its surrounding counties. Our mission is to create a reasonably profitable company that has the ability to take great care of our most valuable assests, our employees, while providing the best value and customer service possible to all those that would honor us with their business. We are located in Barrow County and offer services ranging from Carpentry, Duct cleaning, duct renovation, vapor barriers, wildlife home prevention, gutter cleaning, painting, home washing, New competitively priced HVAC replacement.

"Did a good job."

Richard E on January 2025

Cadence Home Improvemets is offering services to the Atlanta metropolitan area and its surrounding counties. Our mission is to create a reasonably profitable company that has the ability to take great care of our most valuable assests, our employees, while providing the best value and customer service possible to all those that would honor us with their business. We are located in Barrow County and offer services ranging from Carpentry, Duct cleaning, duct renovation, vapor barriers, wildlife home prevention, gutter cleaning, painting, home washing, New competitively priced HVAC replacement.

"Did a good job."

Richard E on January 2025


Avatar for Original Chimney Sweep

Original Chimney Sweep

5.00(
6
)

Original Chimney Sweep

5.00(
6
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

| Licensed | CSIA Certified | Insured | BBB Accredited | Certified Chimney Professionals specializing in Documented/Video Inspection, Fireplace & Chimney Maintenance & Repairs, Hardware Installation & Relining, Dryer Vent Maintenance & Repair. Visit our Site for Service Info or Shop our Marketplace for accessories. www.OCSweep.com Call today for a Video Inspection and Rotary Power Sweep | 706-769-5880

"Great company to do business with. I had a small issue with the install, they came back out and made everything perfect. Would highly recommend."

J W on November 2019

| Licensed | CSIA Certified | Insured | BBB Accredited | Certified Chimney Professionals specializing in Documented/Video Inspection, Fireplace & Chimney Maintenance & Repairs, Hardware Installation & Relining, Dryer Vent Maintenance & Repair. Visit our Site for Service Info or Shop our Marketplace for accessories. www.OCSweep.com Call today for a Video Inspection and Rotary Power Sweep | 706-769-5880

"Great company to do business with. I had a small issue with the install, they came back out and made everything perfect. Would highly recommend."

J W on November 2019

Showing 1-10 of 41
Air Duct Cleaning questions, answered by experts

Whether an HVAC damper should be open or closed depends on the season, the zone it controls, and the temperature in that zone. In the summer, open upstairs dampers and close lower-level dampers to get the most efficient cooling possible. In the winter, do the opposite. Cool air will naturally flow down to lower levels, while warm air will rise. This keeps your system from working harder and helps prevent common AC problems.

You can do some cleaning yourself by removing vents covers and grabbing your vacuum to suck up visible dust. However, professional duct cleaning companies have the tools for more thorough cleaning deeper inside the system. It is worth bringing in the experts for a healthier home.

No, FPR isn’t necessarily better than MERV. Both systems measure an air filter’s effectiveness, but they express it on different scales. FPR ratings range from 1 to 12, while MERV ratings run between 1 and 20. However, some people might find FPR ratings easier to understand since they’re color-coded and have descriptors like “good,” “better,” and “premium.”

If you avoid deep cleaning, it can lead to a slew of issues for your health and home. Mold and mildew can grow in damp areas of the home, such as bathrooms, kitchens, and laundry rooms, which can cause allergic reactions and even structural damage to your house. A buildup of grime and dirt can allow bacteria and germs to thrive. A dirty home can also attract pests such as cockroaches, ants, and rodents.

HVAC maintenance is crucial for the longevity of your unit. Without proper care, your HVAC unit can break down frequently. In addition, a system that is dirty and not cleaned correctly will not heat or cool as efficiently and will increase your energy bills due to the increase in energy consumption. Additionally, you will probably have to replace your unit sooner than you would if it were properly maintained, which will cost you more money. 

The Lexington, GA homeowners’ guide to air duct cleaning services

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

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