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Avatar for NETR Inc
NETR Inc
4.7(
78
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+3 more

Serving Dedham, MA and surrounding areas

Approved (Corporate)

In business since 1989

Free estimates

Emergency services offered

"Two men, Jerry and Tommy, arrived on the morning of May 19, 2017 to install the system. Tommy dug a hole on one side of the house, poured a concrete foundation in said hole, and also set up metal tubing, which created a stand on which the condenser sits to protect it from runoff. Meanwhile, Jerry was inside, drilling holes through my bedroom and dining room interior and then exterior walls for the refrigerant pipes which run from the condenser to the air handlers. He mounted each air handler high up on the wall. There was also electrical work performed to connect the units to the main panel in the basement. The whole job took several hours. Both men worked quickly and efficiently. At the close of it, Jerry presented me with my remotes and instructions, and showed me the basics. I used the system for the first time just a couple of nights after installation. The first night (it was the start of a heat wave) the air from the system was cool-ish - tolerable, but not quite as comfortable as I'd hoped - but I was still uncertain about the controls so I didn't tab down the temperature. The second night I did tab down the temperature, and that's when I found out that, though the fans and vanes in both air handlers worked, the cooling mechanisms did not. Considering the amount of money I'd just spent i was more than a little upset. Visions of law suits danced in my overheated head that night. I called the next morning. Jerry came out that day and diagnosed the problem (something to do with the solenoids, or maybe it was the thermistors). In any case, he did fix it, and this time, it worked as designed, and has done so ever since. I should add that NETR offers a service contract. Despite the added expense - for me, 234.99 a year for 3 years (the annual rate is fixed for that period, plus I get a 5% discount) - it makes total sense to have this complex system undergo periodic maintenance. I will pay the total at the time of the first inspection, in 2018."
SOUTH END CONDO RECEIVES MITSUBISHI DUCTLESS SYSTEM
SOUTH END CONDO RECEIVES MITSUBISHI DUCTLESS SYSTEM
SOUTH END CONDO RECEIVES MITSUBISHI DUCTLESS SYSTEM
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+9

19 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Airco Home Comfort Services LLC
Airco Home Comfort Services LLC
4.7(
33
)
Central A/C - Service or RepairDuctless Mini-split A/C - Install or ReplaceWindow A/C Unit - Service or Relocate+2 more

Serving Dedham, MA and surrounding areas

Approved

In business since 1998

Free estimates

Warranties offered

"Airco is a great family-owned and operated business, very fair and knowledgeable. They replaced our forced air central heating system (oil) in a day, and were quick to respond and get to work despite how busy things were during the January cold-spell. I would highly recommend for your heating and cooling needs!"
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+4

Response time2 days
3 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Sila Heating, Cooling, Plumbing and Electrical
Sila Heating, Cooling, Plumbing and Electrical
4.5(
5,399
)
Central A/C - InstallDuctless Mini-split A/C - Install or ReplaceCentral A/C - Service or Repair+3 more

Serving Dedham, MA and surrounding areas

Approved (Corporate)

In business since 1989

Free estimates

Emergency services offered

"We are overall very happy with the project. Sila had to install a high velocity air conditioning system in very limited space. They provided a timely quote and showed up and did the work professionally and on time. There were a few hiccups, such as the installation of the hatch to the attic space, but Sila’s carpenter agreed to fix the problem at no additional cost to us, so I consider that to be excellent service. After two weeks, the system has been performing exactly as we hoped."
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+6

Response time2 days
Response rate100%
50 neighbors recently requested a quote
Avatar for Everclean Air LLC
Everclean Air LLC
4.8(
43
)
Air Ducts & Vents - Clean

Serving Dedham, MA and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Free estimates

Emergency services offered

"I wanted to clean a second floor dryer vent hose that was loaded solid with lint. It was worse than I thought! Packed solid! It became evident that this was a messy and dangerous situation as it was a fire hazard. Through Angi I found Everclean and the co. was a perfect fit. HVAC companies don’t do dryer vents. Justin from Everclean was awesome and got the problem straightened out. He even discovered the dryer vent had become disconnected from outside dryer vent door! I can’t fit through the narrow attic hatchway as my shoulders are a bit too wide, so I depended on Justin. Finally, everything is buttoned up, and our clothes now dry in half the time. Cost was moderate and was money well invested. Dryer vent fire danger is now negligible compared to before. Along with neighbor hatred danger. I would hire Everclean again if needed again."
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+2

Response time7 hrs
Response rate100%
7 neighbors recently requested a quote
Avatar for Emerald HVAC LLC
Emerald HVAC LLC
5.0(
15
)
Central A/C - Service or Repair

Serving Dedham, MA and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Small jobs welcome

"My central AC unit has been broken for several years. intermittently working during hot summers. I've had several HVAC companies come to diagnose and all of them told me different things: replace the whole system, new lines, etc. potentially costing tens of thousands of dollars. So I decided to troubleshoot by myself and pinpointed the issue: the filter dryer needed to be replaced. No company wanted to do this small job. I called Emerald HVAC and told them about my issue, they sent in José, who diagnosed the issue to be what I said. He replaced the filter dryer and the AC unit works perfectly now after several years! In short, Emerald HVAC will be my first choice for any HVAC work in the future. They are honest, professional, and reasonably priced. I recommend them without reservation!"
Response time1 day
Response rate93%
34 neighbors recently requested a quote
Avatar for Duct Kings
Duct Kings
4.7(
408
)
Air Ducts & Vents - Clean

Serving Dedham, MA and surrounding areas

Approved

Super Service Award Winner

In business since 1999

Free estimates

Emergency services offered

"Duct Kings did a fantastic job cleaning my dryer vent and air ducts. The technician showed me before and after pictures of my air vents and I was amazed how much dust and junk was in there and how clean it looked after!"
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Response time2 days
Response rate100%
5 neighbors recently requested a quote
Avatar for SumZero Energy Systems, LLC
SumZero Energy Systems, LLC
4.4(
23
)
Central A/C - InstallDuctless Mini-split A/C - Install or Replace

Serving Dedham, MA and surrounding areas

Approved

In business since 2009

Free estimates

Credit card accepted

"David Sampaio from SumZero was one of six contractors we interviewed for central AC replacement. David was very helpful in our decision making process when we were deciding between AC and heat pump units. His price was very reasonable too. We chose the heat pump in the end and are very happy with the choice. David’s team was very polite and professional during installation, they did an excellent job setting everything up and cleaning the area. High five, David! Thank you!"
Mitsubishi Heat Pump
MITSUbishi Hyper Heat Heat Pump
Wall Unit (GL Model)
'One-Way' Ceiling Cassette
'Floor Mount' Unit

+9

Response time2 days
Response rate88%
36 neighbors recently requested a quote
Avatar for Green Energy Mechanical
Green Energy Mechanical
4.3(
96
)
Central A/C - Service or RepairDuctless Mini-split A/C - Install or Replace

Serving Dedham, MA and surrounding areas

Approved

In business since 2007

Emergency services offered

Warranties offered

"I'm submitting this review about 2yrs late. The Guys at Green energy are great! While they had a hard time transforming my house's old oil system to gas, Jonathan never stopped taking my calls (don't take that from granted, many contractors don't care once they have your money). They worked on it for several weeks--tweaking it until it finally took. 2 winters later, it works perfectly. I'm sure other contractors could've had the same problem and not been as responsive and committed as them. I'll definitely be hiring them to convert to tank-less water heating and to install AC!"
 Before
 Space for condenser outside
 After
Traditional Dining Room - Tan Cozy Dark Wood Dining Chairs
 old steam boiler

+17

70 neighbors recently requested a quote
Recommended by95%of homeowners
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Air Conditioning questions, answered by experts

No. Evaporator coils are designed to work with specific refrigerant types, and they are rated by what kinds of refrigerant they use. It’s indicated with an “R” code. It’s important to match your evaporator coil and refrigerant or your system will not work properly. An AC technician can tell you what type of refrigerant your system needs and what evaporator coils will work with it.

While your AC unit may still run even if its capacitor is going bad, doing so takes a lot more energy, so it can drive up your electric bill and cause further damage to your AC unit’s parts. If you suspect a bad capacitor, it’s important to have a professional diagnose and fix the problem before you continue to run your AC.

Professional HVAC installation requires licensed expertise in several areas, including electrical- and plumbing-related work. An HVAC team must know how to safely handle regulated refrigerant chemicals and the gas, oil, or propane used in furnaces and boilers. A proper HVAC installation protects your home from energy loss, fires, and even carbon monoxide leaks.

You should get anywhere from three to five quotes for HVAC replacement to get an idea of the average cost of a new unit. Although this quote-collecting process can be time consuming, it allows you to compare what work is required, what type of unit you should install, and how much you should expect to pay for the service.

The difference between a home surge protector and an HVAC surge protector is that an HVAC surge protector is designed to protect the components inside your HVAC unit while a home surge protector is installed near appliances and meant to protect your entire home. There are three tiers of whole-house surge protectors, and they are more expensive to install than HVAC surge protectors.

The Dedham, MA homeowners’ guide to air conditioning services

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