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Top-Rated Window a/c unit service or relocation pros in Stratham - Updated Nov 2026

Avatar for Palmer Gas & Oil
Palmer Gas & Oil
4.6(
89
)
Window A/C Unit - Service or Relocate

Serving Stratham, NH and surrounding areas

Approved

Super Service Award Winner

In business since 1932

Free estimates

Emergency services offered

"We were having an issue with our heating unit leaking water everywhere in our basement. David from Palmer Gas & Oil came out to do our safety check and after giving us a passing grade, immediately starting working on our problem. We did not have to call to have someone else come out after the safety check was done. David took care of the issue while he was there. He was extremely pleasant and easy to work with. He had our problem taken care of in no time. Awesome customer service!"
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+11

1 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Queen City HVAC LLC
Queen City HVAC LLC
5.0(
8
)
Window A/C Unit - Service or Relocate

Serving Stratham, NH and surrounding areas

In business since 2019

Free estimates

Offers commercial services

"I had a complete new gas forced hot air heating installation on my second floor apartment that had a loft centered in the attic and space was very limited in the crawl spaces for a heating unit and duct work to vent throughout the whole apartment ,WOW , yes they made it happen , very highly I recommend Adam and Cameron and will always use them , thank you for and incredible job"
Response time7 hrs
Response rate85%
Recommended by100%of homeowners
Avatar for Vista Home Improvement
Vista Home Improvement
4.3(
419
)
Window A/C Unit - Service or Relocate

Serving Stratham, NH and surrounding areas

In business since 2005

Free estimates

Emergency services offered

"Yes the work was done. The two guys that came put in 7 windows and two big bay windows in one day. They did not even taken a break. They cleaned up the small pieces of scrap. Then one week later they came back and put in two new doors with the same professionalism when they did my doors."
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+41

Recommended by87%of homeowners
Avatar for TJ Thistlewood Plumbing & HVAC
TJ Thistlewood Plumbing & HVAC
5.0(
6
)
Window A/C Unit - Service or Relocate

Serving Stratham, NH and surrounding areas

Emergency services offered

"It went great, Tyler noted that I was handicapped and made sure that my new toilet was ADA approved. I felt it was a nice detail that many would have overlooked. Tyler paid great attention to detail, my bathroom was as clean after the new toilet was installed as it was before and even having to drag the old one through the house my hard wood floors never got a drop of water on them. He was friendly and very polite. I would definitely call him for our plumbing needs again!"
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+1

Recommended by100%of homeowners
Avatar for Air Scrubbers Air Duct Cleaning LLC
Air Scrubbers Air Duct Cleaning LLC
3.9(
332
)
Window A/C Unit - Service or Relocate

Serving Stratham, NH and surrounding areas

In business since 2000

Free estimates

Credit card accepted

"I had a lot of additional cost. It ended up at $1500. They only cleaned three, for the big deal. And then, I had a thing that they put in to make sure that the air stays clean. They said I had a humidifier on my furnace and they said that it had to come off. And then, they said you can get a much better one and then they kind of disappeared and they didn't talk about it or really sit down and have a conversation with me. I'm not even sure why they had to take it off or what they did."
Recommended by77%of homeowners
Avatar for Seashore Comfort Solutions
Seashore Comfort Solutions
5.0(
7
)
Window A/C Unit - Service or Relocate

Serving Stratham, NH and surrounding areas

In business since 2018

Free estimates

Credit card accepted

"This was among the best experiences I have had with any third-party contractor, period. We did an expensive central A/C replacement. Seashore Comfort was knowledgeable, responsive, professional and technically proficient. We needed a 20-year old A/C unit replaced. I called four area HVAC specialists and almost didn't call Seashore because they had relatively few online reviews (although the ones they did have were positive). Turns out the company was started relatively recently by a veteran tech and his wife, who worked locally for a couple of decades. Every aspect of this project was impressive - from the front-office communication to the quoting process to the technical description of what are options were to the quality and craftsmanship of the install. Furthermore, I _almost_ went with a different quote from the local "giant" and that would have been a huge mistake. It took quite a bit of technical research and education on my part but what that company was proposing would not have been the best choice of solution for our application. That would have been a costly, long-term mistake. So, in short, this is a scrappy young company with the all the benefit of experience of a much older company. Proceed without reservation."
Heat pump installation
Rooftop unit replacement
Ductless mini split installation
Dryer vent cleaning - before
Dryer vent cleaning - after

+3

Recommended by100%of homeowners
Avatar for GMR Mechanical
GMR Mechanical
4.4(
56
)
Window A/C Unit - Service or Relocate

Serving Stratham, NH and surrounding areas

In business since 2008

Free estimates

Emergency services offered

"Called Hudson Heating and spoke to Gill. He was super nice and told me a couple of things to try since I am a bit of a handyman. What he told me over the phone fixed the problem and saved me a service call. You don't get people like this today. He could have taken advantage of this situation and come out for a service call. I really appreciated what he did and I will use Hudson in the future for any and all of my needs. I highly recommend Hudson and Gill."
Recommended by83%of homeowners
Avatar for Coy Plumbing & Heating
Coy Plumbing & Heating
5.0(
8
)
Window A/C Unit - Service or Relocate

Serving Stratham, NH and surrounding areas

In business since 2024

Free estimates

Emergency services offered

Coy Plumbing and Heating delivers top-quality services with a focus on precision and reliability. From repairs and installations to emergency fixes, we ensure your systems will run smoothly and efficiently. ***WE ALSO SPECIALIZE IN BOILER REPAIRS AND INSTALLATION***

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+4

Response time2 days
Response rate100%
Recommended by87%of homeowners
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FAQs for window a/c unit service or relocation projects in Stratham, NH

If your window air conditioner is relatively new or of high quality, repairing it can restore optimal performance and protect your investment. However, for older units or those with ongoing issues, it might be more cost-effective to replace the unit to ensure long-term efficiency and reliability. Consider the unit's age, the severity of the problem, repair costs versus replacement, and energy efficiency ratings when making your decision. If repairs cost more than half the price of a new unit, replacement is typically the better option.

Window air conditioners last eight to ten years on average. After this time, you may notice decreased efficiency and component wear. Replacing an older unit can improve energy savings and provide updated features like remote controls and better overall performance. With proper maintenance including regular filter cleaning, coil checks, and professional servicing, you can maximize your unit's lifespan.

If your portable AC isn't cooling, it might have a refrigerant leak or a circuit malfunction that's preventing it from working properly. It's best to contact a local air conditioner contractor to inspect and repair the unit. If your AC is older and repairs don't fix the issue, replacing it might be the most effective solution.

Removing a wall-mounted AC costs $55 to $75. Completing the removal yourself at the end of each summer season, being sure to do so according to proper guidelines, keeps you within this cost range. Should you require professional assistance for removal and disposal, if you can't move the unit yourself, expect an added fee of $25 to $50 to the overall cost.

The Stratham, NH homeowners’ guide to window a/c unit services or relocations

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