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TRUSTED BY MARLOW, NH HOMEOWNERS

  • Average homeowner rating star icon3.8
    Average homeowner rating
  • Verified reviews icon12
    Verified heating and air conditioning services reviews

Top-Rated Heating and air conditioning pros in Marlow - Updated Nov 2026

Avatar for Action Plumbing Heating And Air
Action Plumbing Heating And Air
4.9(
92
)
Gas Furnace / Forced Air Heating System - RepairOil Furnace / Forced Air Heating System - InstallCentral A/C - Service or Repair+23 more

Serving Marlow, NH and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

"Never having had to hire someone to fix my AC unit only to install it (and the company was not reputable), I had serious trust issues. Action was the only one to contact me of all the suggested companies. That made me even more suspicious! They were able to fit me in for the next day. Hmm, more hesitation. But I rested in Action's good reviews on HomeAdvisor and kept the appointment. I was so happy I did. Mike was fantastic. He was personable and extremely informative. He knows his AC and heat pumps really well. I look forward to having them back in a couple of weeks to clean my furnace and do some cleaning and troubleshooting on a Hearthstone gas fireplace. When one finds a company one can trust, well, stick with them and get what needs to be done, done. I am so happy to have done something so out of my nature, like trusting HomeAdvisor. Thank you, Action Plumbing, Heating, and Airconditioning!"
Response time1 day
Response rate89%
19 neighbors recently requested a quote
Avatar for Walshco LLC
Walshco LLC
5.0(
19
)
Oil Boiler or Radiator Heating System - RepairOil Furnace / Forced Air Heating System - Repair

Serving Marlow, NH and surrounding areas

Approved

In business since 2024

Free estimates

Emergency services offered

"I had a zone issue with my forced radiant heat system. They were able to quickly diagnose the issue, and came up with a cost effective solution. I highly recommend them to anyone having furnace issues this winter, and they're super friendly!"
roth 275
roth 275
Roth 160 Gallon Tank
Response time9 hrs
Response rate100%
49 neighbors recently requested a quote
Avatar for McGinley & Sons
McGinley & Sons
3.8(
24
)
Central A/C - InstallOil Furnace / Forced Air Heating System - InstallDuctless Mini-split A/C - Install or Replace+12 more

Serving Marlow, NH and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"Mcginley and Sons were excellent. Professional, knowledgeable, and pleasant to deal with. We were without heat in our home for over 48 hours and they were determined to replace furnace ASAP which they did indeed accomplished. We would highly recommend Mcginley and Sons for furnace and AC unit."
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+5

27 neighbors recently requested a quote
Recommended by56%of homeowners
Avatar for Walshco LLC
Walshco LLC
5.0(
10
)
Oil Boiler or Radiator Heating System - RepairOil Furnace / Forced Air Heating System - Repair

Serving Marlow, NH and surrounding areas

Approved

In business since 2024

Free estimates

Credit card accepted

WalshCo is a family-owned heating company specializing in oil-fired heating systems throughout New Hampshire and surrounding communities. \n \nOur services include oil tank installations and replacements, oil boiler and furnace installations, heating system repairs, annual maintenance and tune-ups, diagnostics, emergency no-heat service, water heater installations, and oil tank inspections. \n \nWe take pride in providing honest recommendations, quality workmanship, fair pricing, and dependable service. Whether you need a new oil tank, a complete heating system replacement, or fast repairs to restore your heat and hot water, our licensed technicians are committed to getting the job done right. \n \nAs a family-owned business, we believe in straightforward communication, professional service, and treating every customer?s home with the same care and respect we would our own.

Roth 160 Gallon Oil Tank
Roth 160 Gallon Oil Tank
Roth 160 Gallon Oil Tank
Avatar for AS Plumbing & Heating LLC
AS Plumbing & Heating LLC
5.0(
9
)
Electric Boiler or Radiator Heating System - Install

Serving Marlow, NH and surrounding areas

Approved

Free estimates

Credit card accepted

Offers commercial services

"Andrew knocked this install out of the park! He replaced an incredibly inefficient hot water heater with a hybrid hot water heater, ran the condensate line through pipe straps screwed into drop in anchors along our basement wall with the cleanest looking final result that surpassed every expectation I had. He was very communicative well within the budget and will be our go to for any future work we need as long as we live in this area!"
6 neighbors recently requested a quote
Avatar for PuriferaLLC
PuriferaLLC
5.0(
2
)
Air Ducts & Vents - Clean

Serving Marlow, NH and surrounding areas

Approved

Free estimates

Emergency services offered

Small jobs welcome

"Excellent rug cleaning service! Purifera Cleaning was friendly, professional, and did an amazing job. My rug looks like new, and I?m very happy with the results. I highly recommend them!"
2 neighbors recently requested a quote
Avatar for Clean well solutions
Clean well solutions
New to Angi
Air Ducts & Vents - Clean

Serving Marlow, NH and surrounding areas

Approved

Small jobs welcome

Credit card accepted

Offers commercial services

At CleanWell Solutions, we provide professional residential and commercial cleaning services with a strong focus on quality, reliability, and attention to detail. Our goal is to make every home or business feel fresh, clean, and comfortable.\n\nWe offer regular cleaning, deep cleaning, move-in/move-out cleaning, and customized cleaning services based on each client’s needs. We take pride in our work, treat every space with care, and always strive to exceed our clients’ expectations.\n\nWhen you choose CleanWell Solutions, you can expect professional service, clear communication, attention to detail, and a team you can trust. We are committed to delivering a clean space you can truly enjoy.

1 neighbors recently requested a quote
Avatar for UCS Construction and Design
UCS Construction and Design
New to Angi
Air Ducts & Vents - Clean

Serving Marlow, NH and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

We are new company just getting started I have a team of licensed professionals I work with. We are very well rounded in our field of work. Doing everything from small handyman repair and installation work to full remodels and renovations. No matter how big or small the job is we are here to help and give great prices and discounts to help home owners and other professionals. Always leaving up to code, quality work, and satisfied customers behind. We also do custom work such as Accent/feature walls that give a home that unique and elegant feel to it.

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Heating and Air Conditioning FAQs, answered by experts

An HVAC system typically lasts between 10 and 30 years, with an average lifespan of 15 to 25 years. The longevity of the system is influenced by factors such as the quality of the unit, usage frequency, local climate, and how well it is maintained. Regular maintenance, including cleaning, filter replacements, and professional inspections, can help maximize its lifespan. Different components within the system have varying life expectancies. For example:

  • Furnaces: 15 to 30 years

  • Boilers: 20 to 35 years

  • Air Conditioners (AC units): 12 to 20 years

  • Heat Pumps: 10 to 20 years

  • Ductless Mini-Splits: 10 to 30 years

As mentioned above, not all HVAC Schrader valves are necessarily the same. While the valve core and pin or spring size on Schrader valves used for HVAC are generally similar, the valves are not all universal and interchangeable. The size of Schrader valves varies depending on whether it's used in an air conditioner, bicycle tire, or motor vehicle tire.

Air conditioners can stop working in the middle of the night for many reasons. Your local power grid might shut down late at night. Power surges can also trip your breakers if too much power is being used in the area at the time. If your AC is connected to a digital thermostat, it gets naturally cooler at night, so the outdoor temperature might dip below the automated setting to turn the cooling system off.

NATE (North American Technician Excellence) certification is not legally required for HVAC technicians in most areas, but hiring a professional with this certification is highly recommended. NATE-certified technicians demonstrated their expertise and proficiency in different types of HVAC systems, offering assurance of quality service. It's a voluntary certification, yet it indicates a commitment to professionalism and ongoing training. Choosing a NATE-certified technician often means you're working with someone who is up-to-date on industry standards and best practices, which can lead to better service, energy efficiency, and long-term cost savings.

Common signs of insufficient return air include uneven temperatures, with some parts of your home feeling hotter or colder than others, and noticeable differences in air pressure between rooms. You might also observe that more air is blowing in rooms closer to the AC unit. Leaky air ducts can also be a related issue or clue.

The Marlow, NH homeowners’ guide to heating and air conditioning services

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