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Avatar for Airco Home Comfort Services LLC
Airco Home Comfort Services LLC
4.7(
33
)
Central A/C - Install - For BusinessCentral A/C - Service or RepairCentral A/C - Service or Repair - For Business+11 more

Serving Natick, MA and surrounding areas

Approved

In business since 1998

Free estimates

Warranties offered

"I whole heartedly recommend Airco. Their team was experienced, skillful, friendly and professional throughout the duration of this job, from Joe's first visit to my home to discuss air conditioning options to Derek and Cam's final touches on the duct system. I had complete confidence in them, as well as in Steve, Danny, Frank and Patrick. Additionally, Airco's connections to MassSave and Commerce Bank meant financing and payment options to suit my budget. No more hauling loud and heavy window a.c. units up from the basement. Instead, I am enjoying consistent cooling throughout my home with no noise whatsoever. I am a very happy customer!"
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+4

Response time2 days
1 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Genove Oil & Air Co
Genove Oil & Air Co
4.7(
217
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+12 more

Serving Natick, MA and surrounding areas

Approved

In business since 1977

Free estimates

Emergency services offered

"We have been in our home for a little over a year and thought it best to have our furnace serviced especially since we don't have a detailed history of service. Frankie D showed up 5 minutes early for our appointment which was fantastic. Frankie was quick, clean and gave me a once over on the age and condition of our furnace. We talked about when the next service would be due. I couldn't have asked for a better experience and I am thankful that we now have our go to company for anything furnace related."
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Pics
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+2

Response time12 hrs
Response rate100%
14 neighbors recently requested a quote
Avatar for Ace Hardware Home Services
Ace Hardware Home Services
4.5(
53
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+12 more

Serving Natick, MA and surrounding areas

Approved (Corporate)

In business since 1967

Free estimates

Emergency services offered

"Diagnosis and repair were straightforward and the talented Mike, who has done other great work for us on our ACs, had a replacement pump in his truck. Swapped over in under an hour. Cost of the repair was quite high, mainly due to very high price they charged for the pump. A Taco pump that I could buy for $175 was priced on this repair at more than $500. I get that it was an urgent situation and I’m happy to pay reasonably for the response but that mark-up bothered me. I called the office, had a long talk with the owner; sadly, she offered no consideration at all. Yes, it’s hard to find and keep skilled techs, but now seems that most HVAC firms have a business model like a car dealer’s service dept, far more corporate, less flexible or customer-considerate."
Heat Pump
Mitsubishi Hyper Heat
Multiple Ductless Heat Pump Installation
Additional Photos
Additional Photos

+6

Response time1 day
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 Natick, MA and surrounding areas

Approved

In business since 2009

Free estimates

Credit card accepted

"On the day that the heat pump is installed, request that Paul or Daniel be there at the end of the installation to go over all the details on how to operate the complicated thermostat. Paul and Daniel will answer all questions, but those who install the pump do not handle thermostat questions. And the maker of this thermostat, like the makers of all modern thermostats, does not provide a manual or a clear explanation on-line. This lack of manual and on-line instructions is exceptionally frustrating, which is why staff like Paul and Daniel are essential on the day of installation."
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%
16 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 ReplaceCentral Air Cleaner - Repair or Service

Serving Natick, MA and surrounding areas

Approved

In business since 2007

Emergency services offered

Warranties offered

"Service guy was very thorough and explained everything he did. Also what he would recommend to be done come spring. Like the idea of a service plan they offer coming twice a year to check heat pump. Would totally recommend them to others having heat pumps."
 Before
 Space for condenser outside
 After
Traditional Dining Room - Tan Cozy Dark Wood Dining Chairs
 old steam boiler

+17

62 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for Ken's HVAC Service
Ken's HVAC Service
4.8(
44
)
Central A/C - Service or Repair

Serving Natick, MA and surrounding areas

Approved

In business since 2021

Free estimates

Credit card accepted

"Ken was extremely helpful and explained everything. He was friendly professional and I would recommend him to anyone that I know who was in need of HVAC services."
Business card
My work
My work
My work
My work

+12

Response time8 hrs
Response rate93%
Recommended by93%of homeowners
Avatar for Pro Heating & Cooling
Pro Heating & Cooling
4.9(
25
)
Ductless Mini-split A/C - Install or Replace

Serving Natick, MA and surrounding areas

Approved

In business since 2012

Free estimates

Emergency services offered

"We chose Pro Heating & Cooling to do an oil to High Efficiency gas boiler conversion. Sean provided a clear and concise quote for the the full job, including a challenging removal of our oil tank. We needed the job done ASAP and Sean was able to accommodate our request and complete the full job in a day. His crews were prompt, and seamlessly coordinated to convert our combo forced hot water and air system while creating a much tidier and well laid out integration with the new boiler and indirect water heater. After the instillation Sean checked in and came to do minor adjustments to ensure the system was dialed in to run perfectly. Lastly, the pricing was great, and the instillation was designed to maximize the available Mass Save rebates for energy efficient systems. I'd recommend Pro Heating without hesitation (as I did to a friend/neighbor)!"
Oil Boiler Replacement
Single zone DMS
Single zone DMS
Two  Tankless Water Heaters
Response time2 days
5 neighbors recently requested a quote
Recommended by82%of homeowners
Avatar for ENDLESS ENERGY NEW ENGLAND, INC.
ENDLESS ENERGY NEW ENGLAND, INC.
4.7(
20
)
Central A/C - InstallDuctless Mini-split A/C - Install or ReplaceCentral A/C - Service or Repair+4 more

Serving Natick, MA and surrounding areas

Approved

In business since 1980

Free estimates

Emergency services offered

Endless Energy is a trusted local HVAC and Plumbing Company servicing the majority of the state of Massachusetts with office in Marlborough, Needham, and Randolph. Specializing in Heat Pumps, Central AC, Furnaces, and Boilers, we have Master Plumbers, Electricians, and HVAC Technicians all under one roof reducing your need to find multiple contractors! We are also a Mass Save partner and can conduct your no cost Mass Save Home Energy Assessment and install any recommended insulation.\n\nWe can help you with: \n*Heating Repairs, Installation, & Service\n*AC Repairs, Installation, & Service\n*Plumbing Repairs, Installation & Service\n*Water Heater Replacement & Service\n*Indoor Air Quality Solutions\n*Ductwork & Line Set Solutions\n*Electrical Panel Upgrades and Replacement\n*Insulation \n*No Cost Home Energy Assessments\n\nA Mass Save certified contractor with an A+BBB rating. All of our skilled technicians undergo an extensive background and drug screening prior to being hired to our team!

Holliston Heat Pump
Boston Heat Pump
Natick Ducted System
240 neighbors recently requested a quote
Recommended by70%of homeowners
Avatar for Landry Mechanical, Inc.- HVAC
Landry Mechanical, Inc.- HVAC
4.5(
107
)
Central A/C - Install

Serving Natick, MA and surrounding areas

Approved

Super Service Award Winner

In business since 2008

Emergency services offered

Warranties offered

"Landry does not come cheap but they do excellent work. And beware that they will tell you all the issues and/or problems your HVAC appliances might encounter in the near future and how they can save the day. :-)"
Mitsubishi Ductless
Furnace install
Water filtration
Stretching out during a hvac install
New heat pump and furnace

+50

Response time11 hrs
Response rate97%
28 neighbors recently requested a quote
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FAQs for air conditioning projects in Natick, MA

Most professional HVAC technicians require two to three hours to complete an expansion valve replacement. The timeframe depends on your unit's accessibility and whether additional repairs are needed. The process involves recovering refrigerant, removing the old valve, installing the new component, and recharging the system. Scheduling during less busy seasons may result in more convenient appointment times.

Operating your air conditioner with a malfunctioning expansion valve isn't advisable. Continuing to run the system could potentially damage other components, particularly your compressor, which is significantly more expensive to replace. If you notice performance issues like inconsistent cooling or unusual noises, it's best to have your system inspected before continuing regular use.

Expansion valves don't have a standard replacement schedule, as their longevity depends on system usage, maintenance frequency, and environmental factors. Regular professional maintenance helps identify potential valve issues before they cause system failure. Having your HVAC system serviced annually allows technicians to monitor component condition and recommend preventative replacements when necessary.

Refrigerant leaks require prompt professional attention. If your expansion valve is leaking, you'll likely notice reduced cooling performance and possibly hear hissing sounds near the unit. Addressing leaks quickly prevents further system inefficiency and avoids the environmental impact of released refrigerant. Your HVAC technician will need to repair the leak and recharge the system with the proper refrigerant type and amount.

Because many AC issues present similar symptoms, professional diagnosis is recommended. Problems like inadequate cooling, inconsistent temperatures, or strange noises could indicate expansion valve issues, but might also stem from refrigerant leaks, electrical problems, or airflow restrictions. A qualified HVAC technician has the tools and expertise to accurately identify the root cause and recommend appropriate repairs.

The Natick, MA homeowners’ guide to air conditioning services

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