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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


Avatar for Dryer Vent Wizard of Middlesex-Essex

Dryer Vent Wizard of Middlesex-Essex

4.80(
197
)

Dryer Vent Wizard of Middlesex-Essex

4.80(
197
)
Customers say: Super punctual
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers

Award winning. We pride ourselves on our quality and professionalism. Our goal is 100% customer satisfaction. We show up on time and clean up our mess! Please consider Dryer Vent Wizard for all your dryer venting needs. We are certain that your experience with our company will be a most pleasant one. Additional phone numbers - (866) 498-7233 & (800) 993-8289. Additional DBA - Widget & Bread. Additional website - www.nhdryervent.com.

"It all went smoothly, i.e., the scheduling, actual service, and the payment. The technician appeared on time. He was very amiable, and professional. The work was done promptly. I have been using their service for several years now and I am very satisfied."

Iftekhar R on April 2025

Award winning. We pride ourselves on our quality and professionalism. Our goal is 100% customer satisfaction. We show up on time and clean up our mess! Please consider Dryer Vent Wizard for all your dryer venting needs. We are certain that your experience with our company will be a most pleasant one. Additional phone numbers - (866) 498-7233 & (800) 993-8289. Additional DBA - Widget & Bread. Additional website - www.nhdryervent.com.

"It all went smoothly, i.e., the scheduling, actual service, and the payment. The technician appeared on time. He was very amiable, and professional. The work was done promptly. I have been using their service for several years now and I am very satisfied."

Iftekhar R on April 2025


Avatar for Aspen Air Duct Cleaning Company

Aspen Air Duct Cleaning Company

4.77(
43
)

Aspen Air Duct Cleaning Company

4.77(
43
)
Customers say: Quick response
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers

Aspen Air Duct Cleaning are experts in diagnosing and eliminating indoor air quality problems for both residential and commercial customers in Boston, MA, and the surrounding areas since 2008. We also specialize in dryer vent cleaning to eliminate a commonly overlooked fire hazard as well as mold removal and remediation. We proudly offer 24/7 emergency services. Call for an estimate today!

"Punctual, responsive, knowledgable, hard working problem solvers, and straight shooters in their evaluation of our system. Did not duct seal, not appropriate for our configuration. Had lower estimates but these folks were worth it to me; I’d use them again."

Michael B on September 2022

Aspen Air Duct Cleaning are experts in diagnosing and eliminating indoor air quality problems for both residential and commercial customers in Boston, MA, and the surrounding areas since 2008. We also specialize in dryer vent cleaning to eliminate a commonly overlooked fire hazard as well as mold removal and remediation. We proudly offer 24/7 emergency services. Call for an estimate today!

"Punctual, responsive, knowledgable, hard working problem solvers, and straight shooters in their evaluation of our system. Did not duct seal, not appropriate for our configuration. Had lower estimates but these folks were worth it to me; I’d use them again."

Michael B on September 2022


KEATING PLUMBING & HEATING INC

4.07(
14
)

KEATING PLUMBING & HEATING INC

4.07(
14
)
Customers say: Quick response
1958 years of experience

FINANCING AVAILABLE. ADDITIONAL ADDRESS: PO BOX 426 MARLBOROUGH, NH 03455. ADDITIONAL EMAIL: [email protected].

"Called at 2:45pm. Brendan arrived at 3:20. He saw what was wrong and went right to work. An hour later, my furnace was up and running. The cost for the repairs was quite reasonable. I would recommend them to anyone."

Mike R on November 2020

FINANCING AVAILABLE. ADDITIONAL ADDRESS: PO BOX 426 MARLBOROUGH, NH 03455. ADDITIONAL EMAIL: [email protected].

"Called at 2:45pm. Brendan arrived at 3:20. He saw what was wrong and went right to work. An hour later, my furnace was up and running. The cost for the repairs was quite reasonable. I would recommend them to anyone."

Mike R on November 2020


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.


Halls Clean Air Solutions

5.00(
1
)

Halls Clean Air Solutions

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

At Halls Clean Air Solutions we specialize in residential and commercial HVAC Duct Cleanings but also offer Dryer Vent Cleanings, Ductwork Disinfecting as well as video inspection services of your HVAC duct system.

"If you're looking for this type of service, don't look any further. IMO this company is the best in New England. We have used their services for hot water heater and gas dryer installs, and now ductwork cleaning. Ben and Dominic did a great job and were very conscientious of our home while doing their work. The photos of before and after the cleaning were amazing and my wife and I can feel the difference in the air quality just after one day. You can't go wrong with Hall's. Don and Nancy"

Don D on May 2022

At Halls Clean Air Solutions we specialize in residential and commercial HVAC Duct Cleanings but also offer Dryer Vent Cleanings, Ductwork Disinfecting as well as video inspection services of your HVAC duct system.

"If you're looking for this type of service, don't look any further. IMO this company is the best in New England. We have used their services for hot water heater and gas dryer installs, and now ductwork cleaning. Ben and Dominic did a great job and were very conscientious of our home while doing their work. The photos of before and after the cleaning were amazing and my wife and I can feel the difference in the air quality just after one day. You can't go wrong with Hall's. Don and Nancy"

Don D on May 2022


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.


Avatar for Sin Cal Chimney's

Sin Cal Chimney's

3.50(
8
)

Sin Cal Chimney's

3.50(
8
)
2012 years of experience

Chimney Sweep, Pellet stove cleaning, waterproofing, mason repair, liners, wood stove, fireplace, furnace flue, caps, chase covers, installs, stone veneer, class a chimney, full build, rebuild, level I inspection, level II inspection, level III inspection.

"We ordered two propane stoves and were going to have them install them. But after getting a general note about going out of business got nothing in specific on our deposits or service we were expecting. I responded to this general email and got a response from Kyle saying get off my high horse and be patient. His wife Heidi did provide one of the stoves but we never got the other one. We are out the deposit of $1700 with no alternative to get a stove or get my money back on the deposit. As far as I am concerned they stole that money and are crooks. This guy Kyle was full of himself giving me a lecture via email about his high moral ethics in business and how he was a man of honor and good character. As as far as I am concerned he is full of s*** and now Sin Cal is permanently closed with no recourse to get my money back. I have hired a lawyer and will pursue legal means to get restitution or at the very least cost them money. This guy has other businesses and if you see him associated with any contractor or contracting businesses pull clear this guy is a crook."

Robert D on September 2022

Chimney Sweep, Pellet stove cleaning, waterproofing, mason repair, liners, wood stove, fireplace, furnace flue, caps, chase covers, installs, stone veneer, class a chimney, full build, rebuild, level I inspection, level II inspection, level III inspection.

"We ordered two propane stoves and were going to have them install them. But after getting a general note about going out of business got nothing in specific on our deposits or service we were expecting. I responded to this general email and got a response from Kyle saying get off my high horse and be patient. His wife Heidi did provide one of the stoves but we never got the other one. We are out the deposit of $1700 with no alternative to get a stove or get my money back on the deposit. As far as I am concerned they stole that money and are crooks. This guy Kyle was full of himself giving me a lecture via email about his high moral ethics in business and how he was a man of honor and good character. As as far as I am concerned he is full of s*** and now Sin Cal is permanently closed with no recourse to get my money back. I have hired a lawyer and will pursue legal means to get restitution or at the very least cost them money. This guy has other businesses and if you see him associated with any contractor or contracting businesses pull clear this guy is a crook."

Robert D on September 2022


Builders Installed Products - NH

3.00(
1
)

Builders Installed Products - NH

3.00(
1
)
Customers say: Terrific value
1981 years of experience

Additional websites - www.buildersinstalledproducts.net, http://installedbuildingproducts.com/home-insulation.asp?_vsrefdom=anglst. Additional DBAs - Installed Building Products LLC, Builders Insulation of NH. Additional phone - (800) 626-7797. Financing available. Additional contact names - Ron Record, Kyle Niemela.

Additional websites - www.buildersinstalledproducts.net, http://installedbuildingproducts.com/home-insulation.asp?_vsrefdom=anglst. Additional DBAs - Installed Building Products LLC, Builders Insulation of NH. Additional phone - (800) 626-7797. Financing available. Additional contact names - Ron Record, Kyle Niemela.


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Air Duct Cleaning questions, answered by experts

Water accumulation can occur due to either leaks or condensation on or near cooling coils. It's crucial to inspect for leaks, perform necessary repairs, and ensure regular maintenance checks for your coils and drain pans. Be sure to empty the drain pans completely, as any standing water in the pan indicates that it is not functioning as intended.

If you just moved into a new house or found significant mold, dust, or pest remnants in your vents, or you see condensation on your air vents, you can easily find a highly trained pro to do the job correctly by asking a few key questions:

  • Do you have proof of liability insurance?

  • What about worker's compensation insurance?

  • Are you a member of the NADCA?

  • Have you worked on my model of HVAC system before?

  • What is included in your contracted amount?

  • Can you provide local references?

Redirecting air vents will have a positive impact on your HVAC system’s performance. It will help evenly distribute air toward the center of the room and stop those pesky hot or cold spots. This is a much better solution than closing the vent, which can cause your HVAC system to work harder to reach the ideal temperature. 

Mold in HVAC ducts is a relatively common issue that homeowners struggle with—especially in humid climates or homes with poor ventilation. Moisture from condensation, combined with dust and organic debris, creates the perfect environment for mold growth. Homes with high humidity, leaky ducts, or clogged drains are more prone to this issue. Regular inspections and proper HVAC maintenance significantly reduce the risk of mold developing in your ducts.

Yes, dirty air ducts can make your house smell. If you have mold growing in your ducts, you might notice a musty odor (similar to rotting leaves) coming through your vents when you run your AC. Rodent infestations might smell like ammonia, while an insect problem could create a musty or oily scent.

The Troy, NH homeowners’ guide to air duct cleaning services

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