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Find Air conditioning pros in Niagara Falls

Avatar for Roy's Plumbing, Heating, Cooling & Electrical
Roy's Plumbing, Heating, Cooling & Electrical
4.4(
509
)

Serving Niagara Falls, NY and surrounding areas

Approved

In business since 1974

Free estimates

Emergency services offered

"Fabulous! Although a bit pricey, the electrician gave me straight up pricing and same young man performed the service as expected but above and beyond. Showed up a little earlier (which was fine because we were already ready for him) and cleaned up as he went. The wiring is straight and neat and he explained what he was doing as he went."
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+2

Response time12 hrs
1 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Topline Heating & Air
Topline Heating & Air
5.0(
9
)

Serving Niagara Falls, NY and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"The technician, Andrew Prince, arrived on time, he was courteous and professional. The cleaning and maintenance of my oil furnace was thorough and performed in a timely manner. Will definitely hire again. Very happy with Andrew's service and knowledge."
Recommended by100%of homeowners
Avatar for Primetime Energy Services
Primetime Energy Services
4.5(
29
)

Serving Niagara Falls, NY and surrounding areas

Approved

In business since 2008

Free estimates

Emergency services offered

"They called me a couple of days after I purchased the deal, even before I had a chance to call them to schedule. We made an appointment, they called before they arrived—on time—and did the work in less time than estimated. They were efficient, friendly but professional, showed me how to set and maintain the humidifier, AND they cleaned up after themselves. Very pleased with everything!"
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Insulation
Insulation

+9

4 neighbors recently requested a quote
Recommended by72%of homeowners
Avatar for T-Mark Plumbing, Heating, Cooling & Electric
T-Mark Plumbing, Heating, Cooling & Electric
4.5(
644
)

Serving Niagara Falls, NY and surrounding areas

Approved (Corporate)

In business since 1992

Free estimates

Emergency services offered

"Went very well and I had a new furnace filter and asked if he would switch it for me which he did no job he said. Also they accepted the national fuel $50.00 rebate. So you just pay them fill out the form and get your $50. check in mail from national fuel. It was inexpensive and tmark still excepted their own coupon on top of the rebate. Want to call back for my central air unit in spring hopefully with a coupon."
Boiler Installed
2 Boilers Installed
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+10

Response time12 hrs
Response rate89%
9 neighbors recently requested a quote
Avatar for Touchdown Heating & Cooling
Touchdown Heating & Cooling
5.0(
10
)

Serving Niagara Falls, NY and surrounding areas

Approved

In business since 2025

Credit card accepted

Offers commercial services

Where comfort meets commitment! We’re your home team for reliable, high-quality heating and cooling service you can count on all year long. From keeping your home warm through winter to cooling things off when the heat hits, our crew brings skill, speed, and passion to every job. We don’t just fix systems, we deliver peace of mind, backed by a promise of quality, integrity, and true hometown care.

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+26

8 neighbors recently requested a quote
Avatar for Frank's Mr. Plumber
Frank's Mr. Plumber
5.0(
5
)

Serving Niagara Falls, NY and surrounding areas

Approved (Corporate)

In business since 1985

Free estimates

Credit card accepted

You can always count on Frank's Mr. Plumber to get the job done right the first time.\n\nWe offer 24/7 service to our valued customers, including holidays and weekends, because we believe you deserve to live in comfort at all times. Please let us know how we can assist you with your plumbing needs.

Pipe Fitting
Washer & Dryer
Our Plumber, Leo!
Washer & Dryer
Toilet Clog

+7

33 neighbors recently requested a quote
HVAC PROS
New to Angi

Serving Niagara Falls, NY and surrounding areas

Approved

In business since 2016

Free estimates

Credit card accepted

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of HVAC services that are customizable to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction!

Avatar for Bravestone construction
Bravestone construction
New to Angi

Serving Niagara Falls, NY and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

At Bravestone Construction, we provide reliable, high-quality construction and maintenance services for both residential and commercial clients. Our team is built on integrity, skilled craftsmanship, and a commitment to getting every job done right.\n\nFrom home improvements to commercial projects, we focus on efficiency, clear communication, and lasting results—no matter the size of the job.\n\nConsistency in service. Confidence in every result.\n

1 neighbors recently requested a quote
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FAQs for air conditioning projects in Niagara Falls, NY

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 Niagara Falls, NY homeowners’ guide to air conditioning services

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