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Find Central humidifier installers and replacers in Duluth

Avatar for TE Certified Electrical, Plumbing, Heating & Cooling

TE Certified Electrical, Plumbing, Heating & Cooling

4.82(
122
)
Approved Pro

TE Certified Electrical, Plumbing, Heating & Cooling

4.82(
122
)
Approved Pro
Customers say: Quality work
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
23 years of experience

Welcome to TE Certified Electrical, Plumbing, Heating & Cooling! We take pride in the quality of work and customer satisfaction we give every customer! Over our 20+ years of service in the metro Atlanta area, we have earned 25,000+ online reviews and numerous awards from Angi's List, BBB, and Rheem. We are known to pay exquisite attention to detail while making customer satisfaction our top priority. Call us today to learn more about how we can help you!

"Great job "

brenda s on January 2026

Welcome to TE Certified Electrical, Plumbing, Heating & Cooling! We take pride in the quality of work and customer satisfaction we give every customer! Over our 20+ years of service in the metro Atlanta area, we have earned 25,000+ online reviews and numerous awards from Angi's List, BBB, and Rheem. We are known to pay exquisite attention to detail while making customer satisfaction our top priority. Call us today to learn more about how we can help you!

"Great job "

brenda s on January 2026


Avatar for Keep Smiling Plumbing, Electric, Heating & Cooling

Keep Smiling Plumbing, Electric, Heating & Cooling

4.66(
135
)
Approved Pro

Keep Smiling Plumbing, Electric, Heating & Cooling

4.66(
135
)
Approved Pro
Customers say: Super punctual
1169 local quotes requested
41 years of experience

Keep Smiling Plumbing Electric Heating and Cooling is a family-owned, family-operated, full-service plumbing electric and HVAC business, serving Gwinnett County, Georgia. We are Master Plumbers and members of the Plumbing & Mechanical Association of Georgia. Keep Smiling Plumbing & Electric is there when you need us, ready to take care of any problem that you may have with your plumbing or electrical systems. We also have available a full line of quality replacement products if you want to upgrade or update.

"Good work, but price is on the high end."

Ron M on December 2025

Keep Smiling Plumbing Electric Heating and Cooling is a family-owned, family-operated, full-service plumbing electric and HVAC business, serving Gwinnett County, Georgia. We are Master Plumbers and members of the Plumbing & Mechanical Association of Georgia. Keep Smiling Plumbing & Electric is there when you need us, ready to take care of any problem that you may have with your plumbing or electrical systems. We also have available a full line of quality replacement products if you want to upgrade or update.

"Good work, but price is on the high end."

Ron M on December 2025


Avatar for TE Certified Electrical, Plumbing, Heating & Cooling

TE Certified Electrical, Plumbing, Heating & Cooling

4.82(
121
)
Approved Pro

TE Certified Electrical, Plumbing, Heating & Cooling

4.82(
121
)
Approved Pro
Customers say: Quality work
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
12 local quotes requested

Welcome to TE Certified Electrical, Plumbing, Heating & Cooling! We take pride in the quality of work and customer satisfaction we give every customer! Over our 20+ years of service in the metro Atlanta area, we have earned 25,000+ online reviews and numerous awards from Angi's List, BBB, and Rheem. We are known to pay exquisite attention to detail while making customer satisfaction our top priority. Call us today to learn more about how we can help you!

"Great"

William H on February 2025

Welcome to TE Certified Electrical, Plumbing, Heating & Cooling! We take pride in the quality of work and customer satisfaction we give every customer! Over our 20+ years of service in the metro Atlanta area, we have earned 25,000+ online reviews and numerous awards from Angi's List, BBB, and Rheem. We are known to pay exquisite attention to detail while making customer satisfaction our top priority. Call us today to learn more about how we can help you!

"Great"

William H on February 2025


Avatar for Ragsdale Heating, Air & Plumbing

Ragsdale Heating, Air & Plumbing

4.68(
167
)
Approved Pro

Ragsdale Heating, Air & Plumbing

4.68(
167
)
Approved Pro
Customers say: Super punctual
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
30 years of experience

Since 1996, Ragsdale Heating, Air, Plumbing and Electrical has worked to maintain our reputation as the name you can trust for your heating, cooling, plumbing and electrical needs. Our Ragsdale team is comprised of truly good people, who care deeply and are devoted to taking exceptional care of our customers, our community, and each other. From the people in our office to the technicians out on the road, everyone here is dedicated to 100% customer satisfaction. We are a family who treats you like family, and we are 100% focused on doing what is right every time, every day. Our goal is for you to take comfort in knowing that when you have a problem, Ragsdale is here for you.

"Blake did a wonderful job. He was so polite and respectful. He asked "when do you want them", I said "yesterday". He then ran to Home Depot to get the taller toilets I wanted. He also gave me some pointers on another matter. Thumbs up!!"

Ken B on January 2026

Since 1996, Ragsdale Heating, Air, Plumbing and Electrical has worked to maintain our reputation as the name you can trust for your heating, cooling, plumbing and electrical needs. Our Ragsdale team is comprised of truly good people, who care deeply and are devoted to taking exceptional care of our customers, our community, and each other. From the people in our office to the technicians out on the road, everyone here is dedicated to 100% customer satisfaction. We are a family who treats you like family, and we are 100% focused on doing what is right every time, every day. Our goal is for you to take comfort in knowing that when you have a problem, Ragsdale is here for you.

"Blake did a wonderful job. He was so polite and respectful. He asked "when do you want them", I said "yesterday". He then ran to Home Depot to get the taller toilets I wanted. He also gave me some pointers on another matter. Thumbs up!!"

Ken B on January 2026


Avatar for Casteel Heating, Cooling, Plumbing & Electrical

Casteel Heating, Cooling, Plumbing & Electrical

4.74(
88
)
Approved Pro

Casteel Heating, Cooling, Plumbing & Electrical

4.74(
88
)
Approved Pro
Customers say: Super punctual
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
262 local quotes requested

At Casteel Heating, Cooling, Plumbing and Electrical, we provide world-class service to our customers, just as we have since 1987. Founded by Jan and Bob Casteel, our company was built on honesty and customer-focused care. To this day, we offer our Amazing Care Guarantee: We’ll take amazing care of you or we’ll refund your service call fee. Our expert team of plumbers, electricians, HVAC technicians, and system design managers performs top-quality repairs and installations while ensuring you are completely satisfied with your entire customer service. Because we offer so many services under one roof, you’ll save time and money by making one phone call to Casteel. Formerly: Knight Air Conditioning and Heating Company

"Thumbs up for the construction at my residence, a three story elevator shaft"

Diana D on October 2024

At Casteel Heating, Cooling, Plumbing and Electrical, we provide world-class service to our customers, just as we have since 1987. Founded by Jan and Bob Casteel, our company was built on honesty and customer-focused care. To this day, we offer our Amazing Care Guarantee: We’ll take amazing care of you or we’ll refund your service call fee. Our expert team of plumbers, electricians, HVAC technicians, and system design managers performs top-quality repairs and installations while ensuring you are completely satisfied with your entire customer service. Because we offer so many services under one roof, you’ll save time and money by making one phone call to Casteel. Formerly: Knight Air Conditioning and Heating Company

"Thumbs up for the construction at my residence, a three story elevator shaft"

Diana D on October 2024


Jones Climate Control

4.17(
12
)
Approved Pro

Jones Climate Control

4.17(
12
)
Approved Pro
Customers say: Terrific value
40 years of experience
Free onsite estimate

Locally owned & operated North American Technician Excellence (NATE) Certified. Licensed for commercial and residentail heating and air in the State of Georgia License Cn209727.

"Great service and fast response time. Very pleased and will definitely be using Jones Climate Control again in the future."

Jessica T on June 2022

Locally owned & operated North American Technician Excellence (NATE) Certified. Licensed for commercial and residentail heating and air in the State of Georgia License Cn209727.

"Great service and fast response time. Very pleased and will definitely be using Jones Climate Control again in the future."

Jessica T on June 2022


Avatar for Coolray Heating & Air Conditioning

Coolray Heating & Air Conditioning

4.82(
1,237
)
Approved Pro

Coolray Heating & Air Conditioning

4.82(
1,237
)
Approved Pro
Super Service Award
Customers say: Super punctual
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
24 local quotes requested

Coolray has served the Atlanta metro area since 1966 and offers professional heating, air conditioning, plumbing and electrical. We base our business principles on people helping people with honest, dependable service backed by our peace of mind warranties and guarantees ensuring your 100% satisfaction. 350 employees. No subs. Charges a flat rate. Senior Discount on Service Repairs only, cannot be used with other offers.

"On time, courteous, professional and efficient !"

Cynthia B on January 2026

Coolray has served the Atlanta metro area since 1966 and offers professional heating, air conditioning, plumbing and electrical. We base our business principles on people helping people with honest, dependable service backed by our peace of mind warranties and guarantees ensuring your 100% satisfaction. 350 employees. No subs. Charges a flat rate. Senior Discount on Service Repairs only, cannot be used with other offers.

"On time, courteous, professional and efficient !"

Cynthia B on January 2026


"I recently had an electrical inspection done by TE Certified Electrical, Plumbing, Heating & Cooling, and I couldn’t be more impressed. From the moment the technician arrived, the experience was professional, thorough, and reassuring. They took the time to explain everything they found in a way that was easy to understand, and I felt confident I was in good hands. What stood out most was their attention to detail—they didn’t just check the basics, they inspected the entire system to ensure my home was safe and up to code. No high-pressure sales, just honest advice and helpful recommendations. I’ll absolutely be using TE Certified again and would highly recommend them to anyone looking for top-tier electrical service."

BRIAN S on June 2025

TE Certified Electrical, Plumbing, Heating & Cooling is a customer-focused residential service company. We fix & replace electrical, plumbing, and HVAC systems for Greater Atlanta homeowners. Please call our office to schedule your appointment today. 770-667-6937

"I recently had an electrical inspection done by TE Certified Electrical, Plumbing, Heating & Cooling, and I couldn’t be more impressed. From the moment the technician arrived, the experience was professional, thorough, and reassuring. They took the time to explain everything they found in a way that was easy to understand, and I felt confident I was in good hands. What stood out most was their attention to detail—they didn’t just check the basics, they inspected the entire system to ensure my home was safe and up to code. No high-pressure sales, just honest advice and helpful recommendations. I’ll absolutely be using TE Certified again and would highly recommend them to anyone looking for top-tier electrical service."

BRIAN S on June 2025


Avatar for AIRTITE

AIRTITE

5.00(
5
)
Approved Pro

AIRTITE

5.00(
5
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
3 years of experience

AIRTITE Performance HVAC is providing homeowners with expert HVAC solutions through the highest quality services and experience in the industry. This includes HVAC system design, installation, repairs, and maintenance, performance testing, and more. Here at AIRTITE, we believe in Testing, not Guessing! The Proof is in the Performance. AIRTITE is owner-operated with over 10 years of experience in the industry. AIRTITE was established to help bridge the gap between homeowners/builders, their HVAC systems, and their health. As the name suggests, AIRTITE provides performance solutions for new more "air-tight" homes; however, these same solutions can be used to find and resolve issues in older, leakier homes. Here at AIRTITE, we know Performance: Let us get to know you, today!

"This was the 3rd time that Fisher helped us out with the HVAC issue (on different properties). Again, job well done and he demonstrated the professionalism, care to details, patience with customer and honesty on the cost. Fisher, we appreciate that we have you as our our HVAC go-to expert."

James H on May 2025

AIRTITE Performance HVAC is providing homeowners with expert HVAC solutions through the highest quality services and experience in the industry. This includes HVAC system design, installation, repairs, and maintenance, performance testing, and more. Here at AIRTITE, we believe in Testing, not Guessing! The Proof is in the Performance. AIRTITE is owner-operated with over 10 years of experience in the industry. AIRTITE was established to help bridge the gap between homeowners/builders, their HVAC systems, and their health. As the name suggests, AIRTITE provides performance solutions for new more "air-tight" homes; however, these same solutions can be used to find and resolve issues in older, leakier homes. Here at AIRTITE, we know Performance: Let us get to know you, today!

"This was the 3rd time that Fisher helped us out with the HVAC issue (on different properties). Again, job well done and he demonstrated the professionalism, care to details, patience with customer and honesty on the cost. Fisher, we appreciate that we have you as our our HVAC go-to expert."

James H on May 2025


Avatar for R Wiley Heating & Air

R Wiley Heating & Air

4.72(
994
)
Approved Pro

R Wiley Heating & Air

4.72(
994
)
Approved Pro
Customers say: Super punctual
110 local quotes requested
40 years of experience

Super Service Award Winner for 2024-2013 | HVAC Contractor | Owner Operated by Robby Wiley | We are a local Heating and Air Conditioning company in the metro Atlanta and surrounding areas. We offer FREE ESTIMATES on installations only and financing options including 18 months same as cash on all equipment and 60 months same as cash for certain equipment. We provide services to residential and small commercial customers. I have been in the industry for 30 years and enjoy helping my customers maintain their equipment and overcome issues with their equipment. I will work with you and offer recommendations based on your needs. I will make myself available to answer questions you may have without requiring a service call, again I enjoy what I do.

"Good."

Brent L on April 2025

Super Service Award Winner for 2024-2013 | HVAC Contractor | Owner Operated by Robby Wiley | We are a local Heating and Air Conditioning company in the metro Atlanta and surrounding areas. We offer FREE ESTIMATES on installations only and financing options including 18 months same as cash on all equipment and 60 months same as cash for certain equipment. We provide services to residential and small commercial customers. I have been in the industry for 30 years and enjoy helping my customers maintain their equipment and overcome issues with their equipment. I will work with you and offer recommendations based on your needs. I will make myself available to answer questions you may have without requiring a service call, again I enjoy what I do.

"Good."

Brent L on April 2025

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FAQs for central humidifier installation and replacement projects in Duluth, GA

A crawl space dehumidifier is a worthwhile investment, particularly in humid climates or if you've noticed musty odors, mold growth, or wood deterioration. Though costs range from $3,000 to $9,200, this investment helps prevent structural damage that could require far more expensive repairs later. Beyond structural protection, a properly dehumidified crawl space contributes to better overall indoor air quality and may reduce allergens throughout your home. Consider having a professional assessment to determine if your specific situation warrants this investment.

Addressing crawl space moisture effectively often requires a combination of solutions. A complete approach includes encapsulation plus dehumidifier installation. For minor moisture issues, a basic dehumidifier starting at $1,500 may suffice, while severe problems in larger spaces could require systems costing up to $14,000. The most effective moisture control strategy depends on your specific conditions, making a professional assessment valuable for determining the most cost-effective approach for your situation.

For a crawl space measuring 1,500 square feet, you'll need a dehumidifier with a daily capacity of 30 to 50 pints, with unit costs ranging from $150 to $600. Your local climate and existing moisture levels may necessitate adjusting this capacity—homes in particularly humid regions might benefit from higher-capacity units. Professional installers can measure your specific humidity conditions and recommend equipment that is appropriately sized, balancing initial cost with operating efficiency for your unique situation.

Crawl space dehumidifiers add $300 to $500 to your annual electricity expenses when operating continuously. Energy-efficient models reduce this consumption by roughly 15 to 30% compared to standard units. Most contemporary dehumidifiers feature humidity sensors that automatically cycle operation based on current conditions, helping manage energy usage. Proper crawl space encapsulation significantly improves efficiency by creating a controlled environment that requires less dehumidifier runtime, thereby reducing ongoing electricity costs.

The Duluth, GA homeowners’ guide to central humidifier installations and replacements

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

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