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Avatar for Druziako HVAC Inc
Druziako HVAC Inc
4.7(
157
)
Central A/C - InstallCentral A/C - Service or RepairCentral A/C - Install - For Business+2 more

Serving Harvard, MA and surrounding areas

Approved

In business since 1990

Free estimates

Emergency services offered

"I recently bought a house and needed a new furnace and I wanted to add central AC to my house. I have a friend who has been a contractor for 20 plus years in the town I moved to. I asked him who he uses, he said he only uses Druziako. I called them up and they came out gave me all my options and advised me on the best way to add duct work etc. They gave me a date they would be there and said it would take 2 days to complete the install. They showed up on time. They finished it in 2 days. Guys were professional and clean. The whole project came out better than I expected. I couldn't be more happy. I would recommend them to anyone. I would also recommend central AC to anyone. It's a nice gift to give yourself :)"
Aprilaire Dehumidifier
Attic Air Handler
Duct Cleaning before and After
Attic Ductwork
Aprilaire Humidifier

+3

Response time11 hrs
23 neighbors recently requested a quote
Recommended by95%of homeowners
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 Harvard, MA and surrounding areas

Approved (Corporate)

In business since 1989

Free estimates

Emergency services offered

"My Central AC unit went out; the box outside smelled like something had fried. I called NETR, and they said they would send a technican over in a week. The technician came on time and promptly inspected the unit. He reported that the capacitor had blown, and told me that he had a spare back in his van. The labor was covered by the diagnostic site visit fee, it was just the parts cost. I told him to proceed and he replaced it. My AC was back up and running within the hour."
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 Harvard, MA and surrounding areas

Approved

In business since 1998

Free estimates

Warranties offered

"I looked at a number of different options and they had the best pricing and they also specialize in just doing central air. So they were also sort of a plumber and gas fitter, anything like that, and so they really specialized in what I was looking for. So that is sort of their core business. They were good and they did a very nice, clean job. The house was built in 1901 and so they did a great job of removing the old radiators and radiant based heat systems and replacing it with a new central air set up."
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+4

Response time2 days
3 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for New England Quality Air Solutions
New England Quality Air Solutions
4.7(
296
)
Air Ducts & Vents - Clean

Serving Harvard, MA and surrounding areas

Approved

In business since 2005

Free estimates

Offers commercial services

"New England Quality Air Solutions is a small family-run operation. our ducts hadn't been cleaned in a few years and I needed to have it done before going in for a lung transplant. Debbie in the office called me right back and gave me a very detailed quote. I scheduled the duct cleaning, along with cleaning the dryer vent. Debbie gave me a window during which the workmen would arrive and that they would call when they were on their way from their previous job. They called and showed up right on time during that window. Mario and Sergio explained how they do the work, verified the number of vents, mains, and returns, and were able to do most of the cleaning from the basement, using a rotating brush and vacuum. Then they went to each room and inspected those vents to ensure that they were clean. They showed us pictures of what was in the vents! They also did a treatment for mold, mildew, etc., and made sure I was not in the house for the few minutes that the treatment was being done, due to my lungs. Their pictures of the dryer vent showed almost complete clogging and they cleaned that also. I found them very professional and thorough, both in their explanations and in their work. I will definitely use them again and will recommend them to everyone."
Before Cleaning-Air Ducts
Air Duct - After Cleaning
Before-Air Duct Cleaning
Air Duct Cleaning
Before-Air Duct Cleaning-Commercial

+6

Recommended by98%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 Harvard, 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 Atlantic Heating & Air Conditioning
Atlantic Heating & Air Conditioning
4.1(
153
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+3 more

Serving Harvard, MA and surrounding areas

Approved

In business since 1962

Free estimates

Emergency services offered

"Atlantic Heating & Air Conditioning responded professionally and quickly to my call. A service technician diagnosed the problem and ordered the a new gas valve and two sensors. A second technician, replaced the defective parts and serviced the boiler. Both technicians performed their work in a very professional manner, identified the source of the problem and clearly explained what was needed. I was impressed with their work and would definitely hire them again."
Response time3 days
Response rate100%
10 neighbors recently requested a quote
Avatar for Everclean Air LLC
Everclean Air LLC
4.8(
43
)
Air Ducts & Vents - Clean

Serving Harvard, 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 JC Duct Cleaning
JC Duct Cleaning
4.9(
28
)
Air Ducts & Vents - Clean

Serving Harvard, MA and surrounding areas

Approved

Super Service Award Winner

Customers say: True professional

"John was efficient, professional, and most importantly honest. He and his team cleaned our air ducts and vents that hadn’t been taken care of in way too long. Fair price. 10/10. Attached is a before and after."
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Response time11 hrs
Response rate100%
18 neighbors recently requested a quote
Avatar for Emerald HVAC LLC
Emerald HVAC LLC
5.0(
15
)
Central A/C - Service or Repair

Serving Harvard, 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 Harvard, 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!"
Additional Photos
Response time2 days
Response rate100%
6 neighbors recently requested a quote
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Air Conditioning questions, answered by experts

A dual evaporator coil is a specific design that allows the AC system to cool different compartments at different levels. It’s usually seen in refrigerators and similar appliances, but not in whole-house air conditioning systems. Talk with your AC technician about the best uses for a dual evaporator coil.

When first installed, flex ducts shouldn’t cause airflow problems in your home. However, because flex ducts aren’t the sturdiest and require extra support, they lose their durability over time and begin to sag, which can inhibit airflow down the road. Also, if your flex ducts aren’t tight enough, your HVAC could work twice as hard for the same air pressure. If you’re worried about the airflow in your home, a rigid duct may be your best bet.

Yes, it’s important to turn off your AC sometimes to give it a break and prevent it from freezing up. If your AC runs all the time, your system’s parts will wear down quicker, which may mean that you need to replace it sooner. Plus, using your AC constantly uses more electricity and leads to higher energy bills.

You can buy a house with a 15-year-old HVAC system if you inspect the system for performance and budget for a replacement within the next three years. You can also negotiate the price with the sellers. Ask to look at the unit’s maintenance records and energy bills for the last two years to determine the shape of the HVAC system and its operating costs. Spend time in each room of the house to gauge if the HVAC keeps the home at a consistent temperature throughout.

A blockage in the ductwork may prevent air from flowing through the vent. If some rooms in your home are very hot or cold and another isn't, that can be a sign that a vent is blocked. Another sign of a blockage is a buildup of dirt or dust around the vent. In either case, a duct installer or cleaning service can investigate the issue for you and recommend a course of action.

The Harvard, MA homeowners’ guide to air conditioning services

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