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Top-Rated Air conditioning pros in Seneca Falls - Updated Nov 2026

Avatar for T-Mark Plumbing, Heating, Cooling & Electric
T-Mark Plumbing, Heating, Cooling & Electric
4.5(
643
)
Central A/C - InstallDuctless Mini-split A/C - Install or ReplaceCentral A/C - Service or Repair+2 more

Serving Seneca Falls, NY and surrounding areas

Approved

In business since 1992

Free estimates

Credit card accepted

T-Mark Plumbing, Heating, Cooling & Electric was founded over 25 years ago to provide friendly, efficient service to residents and businesses across Buffalo and Western New York. The largest family-owned and operated business in WNY that understands the challenge and frustrations that can occur with plumbing, HVAC, and electrical emergencies. Community voted the # 1 company in 716 and available 24 hours a day 7 days a week. Our day one focus has never changed: 100% customer satisfaction. We take the time, every time, to ensure our customers are left happy and satisfied with not only the quality of our work, but with the entire T-Mark experience.

Multi-Unit Install
8 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for Hummingbird Heating and Cooling
Hummingbird Heating and Cooling
4.9(
7
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace+1 more

Serving Seneca Falls, NY and surrounding areas

Approved

In business since 2010

Free estimates

Emergency services offered

"They replaced my central air conditioning and hot water heater. Great process, good people. Very patient, answered all my questions (I was an engineer, so you know there were a lot of specific and obscure questions). Not the lowest price, but when it comes to making sure that the job was done correctly (and excellently) the first time, they were very well worth it!"
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+96

Response time9 hrs
8 neighbors recently requested a quote
Avatar for Frank N Frank Mechanical Contracting
Frank N Frank Mechanical Contracting
5.0(
5
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair - For Business

Serving Seneca Falls, NY and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

Thank you for considering hiring us for your project! At Frank N Frank Mechanical Contracting we pride ourselves on quality work, integrity and competitive pricing. We believe in giving our absolute best, no matter how big or small your project. \n \nWe are experts in our trade, and we will keep you educated and informed throughout the completion of your project. We treat your property like it's our own, with the utmost respect, just like we would our own family! \n \nAs the owner, my aim is to earn a 5-star review on the completion of your project. So, please let me know if at any time we are not living up to earning your perfect 5-star review. \n \nWe look forward to earning your business, so please ask us for references!

2 neighbors recently requested a quote
Revive Property Maintenance
New to Angi
Central A/C - InstallCentral Air Cleaner - Install or ReplaceCentral Humidifier - Install or Replace+1 more

Serving Seneca Falls, NY and surrounding areas

Approved

In business since 2024

Free estimates

Credit card accepted

Revive Property Maintenance We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job. \n \n \n \n \n \n

Response time1 day
5 neighbors recently requested a quote
Avatar for Sure Temp Heating A/C & Refrigeration
Sure Temp Heating A/C & Refrigeration
4.7(
23
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+12 more

Serving Seneca Falls, NY and surrounding areas

In business since 1977

Emergency services offered

Credit card accepted

"We have used Sure-Temp over the years from 2007 through 2011. They have done lighting upgrades to installing new ductless- split Air Conditioning systems to repairing our Carrier systems. They have always tried to make the most energy Efficient choices and have led us in good directions each time we have used them. We have spent over $40,000 with them for work over the years.
There was some warranty work to do on the ductless-split systems and it was handled well by Sure-Temp.
We will continue to use them in the future."
Recommended by100%of homeowners
Areti Plumbing Heating and Cooling
4.4(
40
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+6 more

Serving Seneca Falls, NY and surrounding areas

In business since 2017

Free estimates

Credit card accepted

"Just can’t find the adjectives to describe just how pleased that we would this service. Just so professional and fair fee for service. A true breath of fresh air relative to what we have experienced in the most recent events."
Response time1 day
Recommended by100%of homeowners
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FAQs for air conditioning projects in Seneca 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 Seneca 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.