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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


"M. Gonzalez, I was extremely satisfied with the service and professionalism of the the owner and the technician. They were on time and were very knowledgeable. The parts had to be ordered and as soon as they arrived technician quickly made it to my home to install. the second part took a few days to arrive, but when it did the technician made it to my home to install. The technician came after 5pm and stayed until the repair was completed. I highly recommend NCAC OF lAREDO. "

Mario G on October 2025

North Side Air Conditioning

"M. Gonzalez, I was extremely satisfied with the service and professionalism of the the owner and the technician. They were on time and were very knowledgeable. The parts had to be ordered and as soon as they arrived technician quickly made it to my home to install. the second part took a few days to arrive, but when it did the technician made it to my home to install. The technician came after 5pm and stayed until the repair was completed. I highly recommend NCAC OF lAREDO. "

Mario G on October 2025


STATEWIDE SERVICE CO.

4.50(
8
)

STATEWIDE SERVICE CO.

4.50(
8
)
Customers say: Quality work
1988 years of experience

Serving San Antonio & South Texas since 1989. We can provide many references to speak of our quality service & competitive pricing.

"I have had over 45K of work or product from this company. I am writing this review as I tried to solve problem with the company with no luck. I went through BBB complaint and they took too long to resolve it and then told me that I was over the time frame. I had hardy siding, a 12x48 deck, 16 x 48 deck, 10 x 20 shed and they also installed my AC unit. The hardy install was subpar and had rework needed to be done at a later date. I had no issues with the AC install other than there was no asking where I wanted it, they just came and put it wherever they wanted it. I did have a housing inspector come out and inspect the front and back decks to document the deficiencies. The Back deck which is the 12x48 with covered roof I haven't had too many issues with even though the deck is not built to code. The back deck is also not level anymore due to the post not being concreted into the ground as per code. The majority of my issues have come from my front deck alone. This deck is 16 x 48 covered deck. There is no wood larger than 2 x 6 used. To start off with the deck sits approximately 5 ft off the ground at the furthest point from the house. There are approximately 40 4 x 4 post used on the front deck which are not sufficient but of the 40 only 6 are concreted in the ground. The deck spans 16 feet and they used a 2 x 6 x 16 beam to support the deck with a 4 x4 supported laterally not vertically at the 8-foot mark. If using on a 2 x 6 code calls for post more often so there are many 4 x 4 posts missing under the deck. All my post are on pavers. Some have come off the pavers. My deck has sunk over an inch on the North side. The joist span is not correct for using a 2 x 6. The joist are running 12 foot and shouldn't run that far. The only metal hardware that was used in the deck was the hardware to set the 6 outside 4 x 4 post in concrete. I would never use the business after finding out the amount of code violations in my deck and wouldn't recommend them."

Tony S on March 2022

Serving San Antonio & South Texas since 1989. We can provide many references to speak of our quality service & competitive pricing.

"I have had over 45K of work or product from this company. I am writing this review as I tried to solve problem with the company with no luck. I went through BBB complaint and they took too long to resolve it and then told me that I was over the time frame. I had hardy siding, a 12x48 deck, 16 x 48 deck, 10 x 20 shed and they also installed my AC unit. The hardy install was subpar and had rework needed to be done at a later date. I had no issues with the AC install other than there was no asking where I wanted it, they just came and put it wherever they wanted it. I did have a housing inspector come out and inspect the front and back decks to document the deficiencies. The Back deck which is the 12x48 with covered roof I haven't had too many issues with even though the deck is not built to code. The back deck is also not level anymore due to the post not being concreted into the ground as per code. The majority of my issues have come from my front deck alone. This deck is 16 x 48 covered deck. There is no wood larger than 2 x 6 used. To start off with the deck sits approximately 5 ft off the ground at the furthest point from the house. There are approximately 40 4 x 4 post used on the front deck which are not sufficient but of the 40 only 6 are concreted in the ground. The deck spans 16 feet and they used a 2 x 6 x 16 beam to support the deck with a 4 x4 supported laterally not vertically at the 8-foot mark. If using on a 2 x 6 code calls for post more often so there are many 4 x 4 posts missing under the deck. All my post are on pavers. Some have come off the pavers. My deck has sunk over an inch on the North side. The joist span is not correct for using a 2 x 6. The joist are running 12 foot and shouldn't run that far. The only metal hardware that was used in the deck was the hardware to set the 6 outside 4 x 4 post in concrete. I would never use the business after finding out the amount of code violations in my deck and wouldn't recommend them."

Tony S on March 2022




Global Plasma Solutions

5.00(
1
)

Global Plasma Solutions

5.00(
1
)
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Global Plasma Solutions is a manufacturing company that sells air purification systems primarily into the commercial and residential markets. Home owners can benenfit from our systems as they are easily adapted to any HVAC system. Go to www.gpshvac.com to find a certified contractor near you to have one installed within your home.

Global Plasma Solutions is a manufacturing company that sells air purification systems primarily into the commercial and residential markets. Home owners can benenfit from our systems as they are easily adapted to any HVAC system. Go to www.gpshvac.com to find a certified contractor near you to have one installed within your home.


Avatar for Second Nature (Formerly FilterEasy)

Second Nature (Formerly FilterEasy)

5.00(
1
)

Second Nature (Formerly FilterEasy)

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

Second Nature, formerly FilterEasy, empowers its members to achieve long-lasting, sustainable home wellness with convenient subscription plans, including high-quality home air filters and refrigerator water filters. We exist to simplify home wellness, to make it so easy and convenient that it becomes second nature. Learn about our products and subscribe at www.SecondNature.com/home.

Second Nature, formerly FilterEasy, empowers its members to achieve long-lasting, sustainable home wellness with convenient subscription plans, including high-quality home air filters and refrigerator water filters. We exist to simplify home wellness, to make it so easy and convenient that it becomes second nature. Learn about our products and subscribe at www.SecondNature.com/home.



Air Duct Cleaning questions, answered by experts

Your floor sees a lot of action: foot traffic bringing in dirt from outside, pets with muddy paws, kids dropping food crumbs, and more. All of this makes your floors dirty, and if you don’t keep up with cleaning them, staying on top of the dirt will become more challenging.

It depends on what’s causing the problem. For instance, your air vents might make noise if you have a dirty air filter. If so, the solution is simple: Replace your filter. In other cases, it could indicate an issue with your ductwork, refrigerant lines, or electrical system. If you’re unsure, it’s best to hire an HVAC professional to check it out.

There are several reasons why your furnace filter might get dirty quickly. For example, if you run your furnace often, more air—and therefore, more contaminants—will flow through the system and clog your filter. Having pets is another reason that your filter accumulates dirt quickly. Also, thinner filters will get dirty faster than thicker ones.

The frequency of duct inspection and sealing can vary based on several factors, including the age of your ductwork and environmental conditions. Generally, you should have your ducts inspected every two to five years. If you notice a decline in HVAC system efficiency or suspect duct issues, it's wise to schedule an inspection sooner. Regular maintenance can help identify leaks and damage early, possibly reducing HVAC repair costs.

Several factors contribute to the persistent growth of mold in vents, with excess moisture being the most common culprit. Consistent mold formation in vents indicates an ongoing moisture problem within the HVAC system or its surroundings, likely caused by condensation on cool surfaces in areas with high humidity. Moisture accumulation can also result from leaks in ductwork, inadequate ventilation, or insufficient insulation, creating an environment favorable for mold growth. Regular inspections, addressing potential sources of moisture, maintaining proper ventilation, and routine HVAC maintenance can help prevent the recurrence of mold in vents. If the issue persists, seek professional assistance to identify and rectify the underlying problems.

The Rio Bravo, TX homeowners’ guide to air duct cleaning services

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