Get matched with top air conditioning pros in Norfolk, MA

Q: How much does a new air conditioner capacitor cost?

• <div><p>A new air conditioner capacitor will cost less than replacing the entire air conditioner system. While a capacitor itself will cost between $8 and $25, paying a professional to replace an AC capacitor will cost $180 on average. It&rsquo;s not safe to replace an air conditioner capacitor on your own. </p></div>

Q: Is it bad to turn AC on and off frequently?

• <div><p>No, it isn&rsquo;t necessarily <a href="https://www.angi.com/articles/is-it-bad-to-keep-turning-ac-on-and-off.htm">bad to turn your AC on and off</a> frequently&mdash;contrary to popular belief. Even if you stop and start your AC throughout the day, it won&rsquo;t use as much energy as it would if you ran it nonstop. </p><p>If you&rsquo;re concerned about your power consumption and energy costs, there are a few simple ways to use your AC more efficiently. Regularly cleaning the filters, scheduling routine maintenance, and using a programmable thermostat are all great choices.</p></div>

Q: How much do HVAC companies charge?

• <div><p>HVAC companies may charge an hourly rate or a flat fee. Hourly rates typically range from $100 to $250 per hour, with an average around $175. Some contractors charge a flat fee for specific services, such as an inspection, which can cost between $150 and $500. The total cost of an HVAC service is influenced by several factors, including: the urgency of the service (emergency repairs after hours or on holidays cost more), the time of year, the type, size, and brand of your HVAC system, the specific repair needed, and whether you have a service contract.</p></div>

Q: How to calculate how much it’ll cost to run my window air conditioner?

• <div><p>Here&rsquo;s the cost formula to find out how much it&rsquo;ll cost you to run a window air conditioner in your home: <b>Watts * (hours used) / 1,000 * (Local kWh) = daily cost of running a window unit</b>.<b> </b>If you need help calculating the cost of running your window AC unit, consult an AC repair or installation pro for an accurate estimate.</p></div>

Q: Can an AC leak be fixed?

• <div><p>AC leaks are common, and an HVAC pro can usually fix them. You may be able to resolve some leaks on your own, but a professional HVAC technician should handle most AC leak repair. If left ignored, an AC leak could cause serious damage to your system or leave you with <a href="https://www.angi.com/articles/how-much-does-it-cost-repair-water-damage.htm">expensive water damage</a>, usually leading to more costly repairs or replacements.</p></div>

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Verified Reviews for Air Conditioning pros in Norfolk, MA

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

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

Last update on July 28, 2026

Reviewed in July 2026
Great service and clean installation! Robert did a fantastic job installing our ductless mini-split unit. He was punctual, professional, and completed the work efficiently. Highly recommend him for any service or HVAC needs
Airvanah Home Services
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Reviewed in July 2026
Did a great job getting my air conditioner onto a single circuit breaker, and replaced worn out equipment. Was able to come out very promptly around a holiday weekend as well.
Russell Hansen Electrician
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Reviewed in January 2026
NV Heating and Air Conditioning installed a Bosch heat pump in my home and removed the previous oil furnace. They did an excellent job throughout the entire process, including recommending the right heat pump for my home, providing clear guidance, assisting with the Mass Save rebate, and...
NV Heating and Air Conditioning
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Reviewed in October 2025
In the heat of the summer, our air conditioning shut down. I was worried that I was going to have to spend several thousand dollars to replace it. G & C came out to diagnose the issue and had it solved within an hour. They educated me about Maintainence so that this doesn’t happen again. Very...
G&C PLUMBING AND HEATING LLC
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Reviewed in July 2024
Our central air conditioning system failed during the worst heat and humidity streak in more than a decade. When our AC contractor arrived to look at replacing the system, he pointed out that none of our 3 attics were insulated. We called Coleman Spray Foam. The put a highly knowledgeable rep...
Coleman Spray Foam Inc
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Reviewed in October 2023
Emerald Air did an excellent job installing mini splits throughout my house. They were quick, friendly, and communicated with me every step of the way. I couldn't be happier with my mini splits. I'd highly recommend working with Emerald Air for your mini split installation.
Emerald Air Heating and Cooling
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Reviewed in June 2022
A JOB WELL DONE! On 16 June 2022, the MacFarlane Energy Co. sent two HVAC technicians, Jonathan McElroy & Jordan Trombley, to my home, in order to install air conditioning line sets. Before the appointment day, MacFarlane had sent me numerous emails and text messages confirming the service...
MacFarlane Energy
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Reviewed in May 2022
Quick and efficient work done by Angel Ortiz. He explained the issue and all the work that needed to be done. Definitely recommend ARS for all your heating & air conditioning needs.
ARS - Boston
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Reviewed in January 2022
Project: Install a mini-split system. Nathan was responsive and provided us with a quick quote followed by a timely installation of a cold weather mini-split. The job had some unexpected issues but Nathan stuck with it and we were able to solve them all. He also helped me to apply for a...
Youssef HVAC
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Reviewed in August 2021
Ryan & Connor did a good job. We were initially planning only to replace the 2 condensers, but they discovered some refrigerant leaks in the air handler coils as well. They were able to also get the air handlers & install them within the same time window as the original estimate for just the 2...
Pro Comfort Control LLC
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Find Air conditioning pros in Norfolk

Sila Heating, Cooling, Plumbing and Electrical

4.5(

5,404

)

Central A/C - InstallDuctless Mini-split A/C - Install or ReplaceCentral A/C - Install - For Business+3 more

Serving Norfolk, MA and surrounding areas

Approved

In business since 1989

Free estimates

Emergency services offered

Live Your Most Comfortable Life with a Company You Trust. \nWe offer Same Day Service and Next Day Installation! \n \nSila has been the center of delighting homeowners since 1989, with our team of engineers, certified technicians, and system designers that are proud to deliver the highest level of expertise in the HVAC industry. Whether it?s a repair, replacement, installation, or service, we have an unwavering commitment to keeping you and your family comfortable and safe ? season after season. \nWe guarantee satisfaction and are proud to have earned over 7,000 ?A? ratings on Angie?s List and its prestigious Super Service Award!

36 neighbors recently requested a quote

Recommended by89%of homeowners

Air Ducts & Vents - Clean

Serving Norfolk, MA and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Free estimates

Emergency services offered

"This was one of the best service experiences I've had. Gabriel was excellent. He was polite, respectful of my home, explained the service thoroughly and answered all my questions. A pleasurable experience from start to finish. Highly recommend. Will be sure to tell friends and family about this service for their air system needs. Thank you!"

Response time7 hrs

Response rate100%

7 neighbors recently requested a quote

Air Ducts & Vents - Clean

Serving Norfolk, MA and surrounding areas

Approved

Super Service Award Winner

In business since 1999

Free estimates

Emergency services offered

"Scheduling was efficient. Cleaning was effective and techs showed some images of the duct condition before and after. Techs are knowledgeable and friendly."

Response time2 days

Response rate100%

14 neighbors recently requested a quote

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Dr. Clean-Air Restoration

4.9(

)

Air Ducts & Vents - Clean

Serving Norfolk, MA and surrounding areas

Approved

In business since 2014

Free estimates

Emergency services offered

"They did an unbelievable job cleaning out my duct work from a house I just purchased. The amount of animal fur and dust that came out of the system was so disgusting to see but being able to see this showed the amazing quality of work they do. Highly recommend working with dr clean air"

Response time1 day

1 neighbors recently requested a quote

Recommended by98%of homeowners

Central A/C - InstallDuctless Mini-split A/C - Install or Replace

Serving Norfolk, MA and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Free estimates

Emergency services offered

"Dylan was awesome and installed our new water heater quickly and efficiently. He called me right back after my initial outreach and got us in his schedule right away especially since we have an infant. I would highly recommend him to anyone!"

+27

Response time2 days

Response rate100%

3 neighbors recently requested a quote

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SumZero Energy Systems, LLC

4.4(

)

Central A/C - InstallDuctless Mini-split A/C - Install or Replace

Serving Norfolk, MA and surrounding areas

Approved

In business since 2009

Free estimates

Credit card accepted

"Daniel Oliveira & Dan from SumZero Energy Systems arrived promptly, were knowledgeable and courteous. Upon explaining the issue with my AC fan, they immediately understood the problem and addressed it. They exceeded my expectations, explaining what went wrong and how to avoid this issue in the future. Even the initial telephone contact, setting up the appointment, communication, and addressing our specific needs were excellent. I highly recommend SumZero Energy Systems for all your HVAC needs."

Response time2 days

Response rate88%

18 neighbors recently requested a quote

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Pro Heating & Cooling

4.9(

)

Ductless Mini-split A/C - Install or Replace

Serving Norfolk, MA and surrounding areas

Approved

In business since 2012

Free estimates

Emergency services offered

"We had a great experience with the installation of our AC system. Sean and team were knowledgeable, on-time and very professional. Highly recommend!"

Response time2 days

4 neighbors recently requested a quote

Recommended by82%of homeowners

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Green Energy Mechanical

4.3(

)

Central A/C - Service or RepairDuctless Mini-split A/C - Install or Replace

Serving Norfolk, MA and surrounding areas

Approved

In business since 2007

Emergency services offered

Warranties offered

"They called back promptly to make an appt,,they called to confirm, they came on time, & were very polite. . They also wore masks & shoe covers, & educated me on taking care of furnace / filters. Perfect"

Traditional Dining Room - Tan Cozy Dark Wood Dining Chairs

+17

54 neighbors recently requested a quote

Recommended by95%of homeowners

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G&C Plumbing and Heating, LLC

5.0(

)

Central A/C - Service or Repair

Serving Norfolk, MA and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 2005

Small jobs welcome

Credit card accepted

"Cole ,Kyle and Ashley were all super polite, courteous and professional. They did a phenomenal job setting up the mini split. After they left the house was cleaner than when they arrived. Nick the salesman was prompt and knowledgeable. The office staff were also very knowledgeable and helpful with all the mass save information. We had a plumbing issue at the same time they showed up and they quickly sent over plumbers to fix the problem. I highly recommend them."

+16

Response time5 hrs

Response rate100%

13 neighbors recently requested a quote

Central A/C - InstallCentral A/C - Service or Repair

Serving Norfolk, MA and surrounding areas

Approved (Corporate)

In business since 1946

Free estimates

Emergency services offered

"Went very well. Tech gave great information on the condition of my unit. As well as provided guidance for upcoming repairs that may be needed."

451 neighbors recently requested a quote

Recommended by87%of homeowners

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Showing 1-10 of 342

Air Conditioning questions, answered by experts

A new air conditioner capacitor will cost less than replacing the entire air conditioner system. While a capacitor itself will cost between $8 and $25, paying a professional to replace an AC capacitor will cost $180 on average. It’s not safe to replace an air conditioner capacitor on your own.

No, it isn’t necessarily bad to turn your AC on and off frequently—contrary to popular belief. Even if you stop and start your AC throughout the day, it won’t use as much energy as it would if you ran it nonstop.

If you’re concerned about your power consumption and energy costs, there are a few simple ways to use your AC more efficiently. Regularly cleaning the filters, scheduling routine maintenance, and using a programmable thermostat are all great choices.

HVAC companies may charge an hourly rate or a flat fee. Hourly rates typically range from $100 to $250 per hour, with an average around $175. Some contractors charge a flat fee for specific services, such as an inspection, which can cost between $150 and $500. The total cost of an HVAC service is influenced by several factors, including: the urgency of the service (emergency repairs after hours or on holidays cost more), the time of year, the type, size, and brand of your HVAC system, the specific repair needed, and whether you have a service contract.

Here’s the cost formula to find out how much it’ll cost you to run a window air conditioner in your home: Watts * (hours used) / 1,000 * (Local kWh) = daily cost of running a window unit. If you need help calculating the cost of running your window AC unit, consult an AC repair or installation pro for an accurate estimate.

AC leaks are common, and an HVAC pro can usually fix them. You may be able to resolve some leaks on your own, but a professional HVAC technician should handle most AC leak repair. If left ignored, an AC leak could cause serious damage to your system or leave you with expensive water damage, usually leading to more costly repairs or replacements.

The Norfolk, MA homeowners’ guide to air conditioning services

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

See all articles

Maddie Radcliff
•
May 5, 2026May 5, 2026
How Much Does It Cost to Install a Mini-Split in Boston, MA? [2026 Data]
Need a new AC system? Find out what a mini-split costs in Boston, MA, and how to hire the right pros to get the job done.
Angi
•
Sep 11, 2026Sep 11, 2026
How Much Does Swamp Cooler Installation Cost? [2026 Data]
Discover the true swamp cooler installation cost. Learn about average prices, cost factors, and ways to save on your home cooling project.
Alison Kasch
•
Jul 9, 2026Jul 9, 2026
Portable AC vs. Swamp Cooler: Which Should You Choose?
Choosing between a portable AC vs. swamp cooler comes down to energy efficiency, cooling preferences, and climate. Find out how these systems compare.
D.P. Taylor
•
May 22, 2026May 22, 2026
Is a Swamp Cooler Right for Your House?
Swamp coolers are cheaper to install and run than a central AC unit, but are they right for your home? This guide breaks down what you need to know.
Tyler Lacoma
•
Jul 9, 2026Jul 9, 2026
Mini Split AC vs. Central Air: What’s the Difference?
Learn the difference between mini split AC vs. central air. For example, central air has air ducts, but a ductless mini split AC cools without them.