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Q: Is it bad if my evaporator coils and condenser coils don’t match?

• <div><p>Yes, having mismatched evaporator and condenser coils in your AC system can lead to serious issues. For instance, it can result in higher monthly energy costs as the system runs longer to compensate for the mismatch. This mismatch can also put extra stress on the system, compromising its efficiency and longevity. </p><p>Along with that, mismatched coils can lead to higher temperatures and humidity levels in the home. What&rsquo;s more, using coils of different sizes may violate the manufacturer's warranty, as they are designed to work synergistically, and any mismatch could lead to repairs and system failure.</p></div>

Q: Can a whole-house dehumidifier save money?

• <div><p>Yes. Getting a whole-house dehumidifier can help you save money on energy bills. How? Your home automatically feels cooler when there&rsquo;s less humidity in the air (&ldquo;It&rsquo;s the humidity that gets ya!&rdquo; is such a true statement). This means that you won&rsquo;t need to run your AC as much as you would if you had all that extra humidity in your home.</p></div>

Q: What does it mean to “recharge” my home air conditioning unit?

• <div><p>When your HVAC technician mentions recharging your home AC unit, they&rsquo;re referring to the process of topping off the unit with refrigerant, so the levels are properly maintained and pressurized. Normally, a properly functioning AC unit doesn&rsquo;t need additional refrigerant, but AC units can develop leaks or other problems that decrease the amount of refrigerant needed.</p></div>

Q: What are the warning signs of not enough return air?

• <div><p>The first sign you're not getting enough return air is if some parts of your home feel hotter or colder than others. If nothing else is causing that, leaky air ducts are your next clue. If the air pressure feels different in every room, this is also usually a sign of insufficient return air.</p></div>

Q: Should I replace a 20-year-old AC unit?

• <div><p>The average life span of an HVAC system is 15 to 20 years. Even if your old air conditioner is still functional, it isn't as energy-efficient as a newer system (especially one with an Energy Star designation). Older HVAC systems aren't as efficient, and the 10-year mark is when you should start making full system replacement plans. Twenty years in, that plan should be well underway rather than waiting for the unit to die.</p></div>

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Verified Reviews for Heating And Air Conditioning Service pros in Ehrhardt, SC

*The Angi rating for Heating And Air Conditioning Service companies in Ehrhardt, SC is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.

*The HomeAdvisor rating for Heating And Air Conditioning Service companies in Ehrhardt, SC is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.

Last update on November 08, 2025

Reviewed in July 2025
As an elderly couple, going without air conditioning for two days in this heat was incredibly difficult—and honestly, a little scary. We reached out to Sweatman’s HVAC Plumbing & Electrical, LLC, and he didn’t waste a second. He came out right away, without hesitation, and got us taken care of...
Sweatman's HVAC Plumbing & Electrical, LLC
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Reviewed in June 2025
Add HVAC leak that messed up my ceiling. I needed it replaced. the area that was damaged was cut out and replaced. He removed the popcorn from the rest of the ceiling and painted to match.
Abraham Williams Drywall
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Reviewed in December 2024
We used the Dukes Electrical Service company multiple times. The gentleman is professional every time. He came today after I made an emergent phone call this morning due to the air condition with no heat. He was very responsible and professional and came to fix the connection problem. It was...
DUKES ELECTRICAL SVC
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Reviewed in July 2023
Will was great! He came out twice on a weekend to help us fix our AC problem in the house. He is very knowledgeable, professional, and courteous. He provides great service for a very competitive cost! He does not try to "upsell" you or sell additional service/equipment that you do not need. ...
Air Distributor HVAC
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Reviewed in July 2022
This company is great! We had our AC go out (South Carolina in July) and we needed a whole new unit. They came out the same day and replaced our whole system. The guys were very nice and professional. I would highly recommend them!
GAINEY'S HEATING & COOLING
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Reviewed in March 2016
After the machine was in my home recording air samples for three days which is required. They sent a professional technician to show me the results of the data. It's really easy to read data and could tell what times of the day my particulates were worse. He explained he needed to open the air...
E F Martin Mechanical Contractors Inc
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Reviewed in December 2015
I have their yearly comfort plan. They come out twice a year to service my AC/Heater. Tech is very knowledgeable and professional. Always calls to inform when the Tech is on the way so that I don't have to take the whole day off waiting on someone to show. I recommend them to all my friends!!
Air Solutions
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Reviewed in May 2015
We've had very good experiences with them. They've worked for us for a lot of things, mostly heating and some air conditioning. Our heating is working great for us now. It works fine.
Lower State Gas Heating & Air
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Reviewed in May 2014
Paul inspected the foreclosure for structural problems, moisture problems, the A/C unit, the electrical system, the plumbing system, the roof, and the appliances and found several issues, most of which were minor, but substantive. Again, with Paul, you really find out EVERYTHING that needs to...
Atlas Home Inspection Service
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Reviewed in April 2014
Went great. In and out in an hour! AC working good for about 2 years now.
KERSHAW HEATING & COOLING
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Find Heating and air conditioning pros in Ehrhardt

P & W HVAC Services

P & W HVAC Services

Customers say: True professional

Recommended by 91% of Angi customers

39 local quotes requested

P & W HVAC Services is your first choice when it comes to any and all of your HVAC needs in South Carolina. Our mission and goal as a company is too make sure that our customers are 100% satisfied, that we show up on time, and that we provide a great service at a fair price. As a locally owned and operated business, you will deal with the owner of the company from your initial estimate through to the completion of your work. Get in touch so we can show you what many of your neighbors already know; that P & W HVAC Services will solve your HVAC problems. Guaranteed!

"Excellent experience. Pro was thorough and professional. We would definitely use again. "

Tanya V on July 2025

"Excellent experience. Pro was thorough and professional. We would definitely use again. "

Tanya V on July 2025

Your Home Handyman LLC

5.00(

)

•Approved Pro

Your Home Handyman LLC

Customers say: Quick response

Recommended by 100% of Angi customers

57 local quotes requested

We handle household repairs, home upgrades, partial, and complete renovations. Plumbing, electrical, paint, drywall, tile, flooring, countertops, cabinets, walk in showers, and more. I've been in these fields for the past 10 years and would love to talk to you about your next home project.

"He did a wonderful job. Even with the unexpected obstacles. Definitely will use again"

Corlos T on December 2023

"He did a wonderful job. Even with the unexpected obstacles. Definitely will use again"

Corlos T on December 2023

Richard Stanley

No reviews yet

Richard Stanley

No reviews yet

24 years of experience

Laying vapor barriers, installing floor and ceiling insulation, installing or repairing ductwork in attic and beneath homes. Reasonable prices.

Weld fab and piping

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Weld fab and piping

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We can weld stainless steel carbon steel and we can do copper brazing and soft solder we can do thread pipe and just general welding and fabrication high quality work not just your average worker we can stick tig and MiG inner shield and MiG with gas and where mobile

Livingstone Engineering, LLC

No reviews yet

Livingstone Engineering, LLC

No reviews yet

Free onsite estimate

Mechanical Engineer (PE) - Hvac and any mechanical design work. Energy Efficiency Audits, General Whole-House Handyman, Troubleshooting repair and maintenance expert. Plumbing systems expert. HEATING AND AC expert. Electrical troubleshooting and repair. General home and commercial upfits and remodels consulting and renovations.

Air Duct Squad has many years of service in the HVAC industry. We're the go-to company for the heating and air conditioning service you need in Portland. Our experienced technicians are familiar with equipment makes and models from practically every manufacturer. Customer satisfaction is one of our highest priorities, and we'll work hard to get your ducts cleaned right the very first time we tackle it.

"Great deal, great service, and they are all beyond professional and courteous. Cannot explain to you enough how happy I am with the service I received!"

Kaylin B on March 2021

"Great deal, great service, and they are all beyond professional and courteous. Cannot explain to you enough how happy I am with the service I received!"

Kaylin B on March 2021

Air Duct Crew

5.00(

)

Air Duct Crew

5.00(

)

Customers say: Quick response

Recommended by 100% of Angi customers

Air duct crew is one of the oldest company on the market. Started in 2001 as family owned. Still operating proudly as one of the leading air duct cleaning, dryer vent cleaning and chimney cleaning company. Our goal is to ensure the quality of service and best level of cleaning to our every customer. We are proudly servicing commercial and residential projects of every difficulty.

"Air Duct Crew did a great job and I REALLY appreciated the guys that showed up to do the job. Very nice and professional, had no concerns about them at all."

Abigail T on March 2021

"Air Duct Crew did a great job and I REALLY appreciated the guys that showed up to do the job. Very nice and professional, had no concerns about them at all."

Abigail T on March 2021

Complete Air, LLC

No reviews yet

Complete Air, LLC

No reviews yet

Complete Air, LLC has been in business for 10 years and is a family owned and operated business. We have been serving the Lowcountry since 1987 which includes Hampton County, Jasper County and Beaufort County. We service all make and brands of HVAC units. We specialize in New Construction installs and change outs. In addition, we offer an annual service contract to all residential customers. We are licensed and insured and our technicians are certified. When you need fast and reliable air conditioning and heating service, call Complete Air, LLC for a great deal. Our work is 100% fully guaranteed.

Krell Distributing Co Inc

No reviews yet

Krell Distributing Co Inc

No reviews yet

53 years of experience

Additional DBA - Krell Industries. Family owned & operated. Nationwide service.

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Heating and Air Conditioning questions, answered by experts

Yes, having mismatched evaporator and condenser coils in your AC system can lead to serious issues. For instance, it can result in higher monthly energy costs as the system runs longer to compensate for the mismatch. This mismatch can also put extra stress on the system, compromising its efficiency and longevity.

Along with that, mismatched coils can lead to higher temperatures and humidity levels in the home. What’s more, using coils of different sizes may violate the manufacturer's warranty, as they are designed to work synergistically, and any mismatch could lead to repairs and system failure.

Yes. Getting a whole-house dehumidifier can help you save money on energy bills. How? Your home automatically feels cooler when there’s less humidity in the air (“It’s the humidity that gets ya!” is such a true statement). This means that you won’t need to run your AC as much as you would if you had all that extra humidity in your home.

When your HVAC technician mentions recharging your home AC unit, they’re referring to the process of topping off the unit with refrigerant, so the levels are properly maintained and pressurized. Normally, a properly functioning AC unit doesn’t need additional refrigerant, but AC units can develop leaks or other problems that decrease the amount of refrigerant needed.

The first sign you're not getting enough return air is if some parts of your home feel hotter or colder than others. If nothing else is causing that, leaky air ducts are your next clue. If the air pressure feels different in every room, this is also usually a sign of insufficient return air.

The average life span of an HVAC system is 15 to 20 years. Even if your old air conditioner is still functional, it isn't as energy-efficient as a newer system (especially one with an Energy Star designation). Older HVAC systems aren't as efficient, and the 10-year mark is when you should start making full system replacement plans. Twenty years in, that plan should be well underway rather than waiting for the unit to die.

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