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Top-Rated Heating and air conditioning pros in De Kalb Junction - Updated Nov 2026

Avatar for Northern Lights Energy
Northern Lights Energy
4.7(
13
)
Heat Pump - Install or Replace

Serving De Kalb Junction, NY and surrounding areas

Approved

In business since 1996

Free estimates

Warranties offered

At Northern Lights Energy, we take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumers 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.

Solar Barn
Ground Mount Shed
Generator - Hanawa Falls
Response time1 day
Response rate87%
Recommended by92%of homeowners
Avatar for Sure Temp Heating A/C & Refrigeration
Sure Temp Heating A/C & Refrigeration
4.7(
23
)
Boiler or Radiator Heating System - Install or ReplaceBoiler or Radiator Heating System - Install or Replace - For BusinessBoiler or Radiator Heating System - Repair or Service+47 more

Serving De Kalb Junction, NY and surrounding areas

In business since 1977

Emergency services offered

Credit card accepted

Comfort. Quality. Efficiency.\n\nSure Temp has supplied the highest quality products and services to heat and cool homes and businesses reliably and efficiently since 1977.\n\nOwners and brothers Glenn, Ed and Richard Miller bring state-of-the-art technology and the highest engineering principles to every project, from hospitals and malls to bungalows and summer cottages.\n\nThey operate in a 250-mile radius of Binghamton, N.Y., and have installed systems where the temperature drops past 20 below zero and above 100.\n\nHeating and cooling costs. Their mission is to help ease the pain of monthly operating expenses, be it for your home or a million-square-foot industrial facility. The right equipment, quality installation and regular maintenance mean increased comfort, energy savings and a longer life for your system.\n\nEliminate hot and cold spots. Control dust and humidity. Improve the health and comfort of everyone in your building - and save money doing it.\n\nWhether you are building your dream home, replacing an existing system, need regular maintenance or an emergency repair, Sure Temp's experience, honesty and integrity mean the best solutions for you and your HVAC system.

Recommended by100%of homeowners
Avatar for North Alabama Technical Services
North Alabama Technical Services
4.9(
124
)
Boiler or Radiator Heating System - Install or ReplaceBoiler or Radiator Heating System - Install or Replace - For BusinessBoiler or Radiator Heating System - Repair or Service+47 more

Serving De Kalb Junction, NY and surrounding areas

In business since 2010

Emergency services offered

Credit card accepted

*** I have recently added the Nashville area to my service coverage. Since I can do most of my services remotely with you over the phone, I am hoping to eventually open up to larger markets and help people from having to take their computer in to get it fixed, if it has internet access, I can usually fix it over the Internet. Just trying to do more to help my Angies List customers!!******** I am a sole proprietor that works out of my home. I am my only employee, but I have over 20 years experience fixing computers, and providing superior customer service. I work on a flat rate service, and don't charge by the hour because I feel it's important to educate the customer on what the issue is/was, and how to avoid it in the future. I feel that local service companies (my competition) have been overcharging customers for years. I offer a first time customer discount of 10% but I will offer 15% off for first time customers referred by Angies List. I've lived in the Huntsville area most all my life, so I know the area very well. I will never use a subcontractor as I am very picky about making sure that if my name and company is associated with something, it will be the best experience my customer has ever had, and using sub contractors won't ensure that, so I prefer to do all the work myself. Lastly, I should point out that I am a former offensive lineman for the University of Southern Mississippi and was Brett Favre's center his freshman year at Southern. I went on to play for Tom Landry in his last year, but gave up pro football early on to pursue my passion of fixing computers. If I didn't have bills to pay, I would do this for free because I love it! If you have a computer problem, I promise you that you couldn't find a better technician that will care about you as a customer, and not about the bottom line. I am always available, but don't always answer my phone, but if you leave a message, I promise to back with you as soon as possible...and figure out how to get your issue resolved in a quick, efficient and economical manner. Thanks so much for reading my ad, and I look forward to working for you!

2014 Super Service Award Winner!
Additional Photos
Recommended by97%of homeowners
Avatar for J&J Plumbing and Home Repair
J&J Plumbing and Home Repair
4.0(
54
)
Central A/C - InstallCentral A/C - Service or RepairCentral Air Cleaner - Repair or Service+23 more

Serving De Kalb Junction, NY and surrounding areas

In business since 2021

Free estimates

Emergency services offered

"J & J Plumbing installed a ductless AC/heater in our back room, and we couldn’t be happier. Even after an incredibly stressful morning (Josh’s truck was stolen from our driveway) he and his crew still completed the job! They were kind, knowledgeable, and professional. I would give them 10 stars if I could; they deserve it!"
Kitchen sink
Kitchen sink
Water meter
Water meter
Water meter

+57

Response time1 day
Recommended by78%of homeowners
Avatar for Choice Home Warranty
Choice Home Warranty
4.0(
5,678
)
Air Ducts & Vents - CleanBoiler or Radiator Heating System - Install or ReplaceBoiler or Radiator Heating System - Install or Replace - For Business+50 more

Serving De Kalb Junction, NY and surrounding areas

In business since 2008

Emergency services offered

Credit card accepted

"Great. I placed an online claim Monday 12/21, in a few hours they had assigned a Home Hvac . I was sent an email which stated the tech’s name (Jeremy Dillon). arrival time/ date my home 11 AM Tues 12/22, he arrived early (great), accessed the problem, went got the parts, returned fixed my broken pipes all within about 1 hr. Way to go Jeremy ????. Jeremy followed CDC guidelines (Coronavirus) masked up, social distancing."
Recommended by81%of homeowners
Northern heating and cooling - Ana Sayfa Facebook
4.5(
9
)
Central A/C - InstallCentral A/C - Service or RepairCentral Air Cleaner - Repair or Service+35 more

Serving De Kalb Junction, NY and surrounding areas

In business since 2015

Free estimates

Credit card accepted

Northern Heating & Cooling, is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business. \n

Response time30 mins
Recommended by85%of homeowners
Sears Heating and Cooling - Syracuse
3.0(
26
)
Boiler or Radiator Heating System - Install or ReplaceCentral A/C - InstallDuctless Mini-split A/C - Install or Replace+7 more

Serving De Kalb Junction, NY and surrounding areas

In business since 1893

Free estimates

Warranties offered

Sears Home Improvement Products � Heating and Cooling \n \nSears can provide the right solution to your home improvement needs. We offer a full line of exclusive Kenmore� and Carrier� heating and cooling systems. Get the brands you trust from the name you recognize � Sears. Schedule your FREE In-Home Consultation today! \n

Recommended by92%of homeowners
Showing 1-10 of 31
Heating and Air Conditioning FAQs, answered by experts

Choosing between a ductless mini-split and central AC depends on your specific needs. Ductless mini-splits are ideal for targeted cooling, providing zoned comfort and energy efficiency. They are perfect for smaller spaces or homes lacking ductwork. In contrast, central AC offers consistent cooling throughout the entire house but requires ductwork and may be less energy-efficient for smaller spaces. 

Consider factors like budget, home size, and cooling preferences to make the right choice. Combining both systems, with a ductless mini-split in specific areas, can also be a viable solution for tailored comfort and overall efficiency.

Not if you have a standard unit. Because portable AC units actually work to dehumidify the room, you’ll likely need to drain the unit from time to time—but you won’t have to put water into it. There is, however, another type of air conditioner called a swamp cooler that requires water to operate. If you have a swamp cooler, you may need to fill a reservoir with water and potentially ice. But a swamp cooler is different from a standard portable AC unit.

Ideally, an AC system should never need more Freon (a popular refrigerant) because it circulates in a closed loop. However, refrigerant leaks are not uncommon and may occur gradually over 5 to 15 years. If your system has a leak, it will need to be topped up in a process known as an AC recharge. Signs of a refrigerant leak include weakened AC performance, increased humidity in your home, higher utility bills, and a hissing sound from the unit. The cost of an AC recharge will depend on the size and type of your AC unit, as well as the type of refrigerant it uses.

Split systems are the most common type of HVAC system. Split systems have two main units: an indoor one and an outdoor one. These units work together to pull in air, heat or cool it, and distribute it throughout your home. Other popular types of HVAC systems include hybrid systems and packaged heating and air systems.

The standard HVAC warranty is around five years. Still, many brands offer an extension to 10 years if you register the product within a specific timeframe, typically 60 to 90 days post-purchase or HVAC installation. Over the past decade, warranty periods have substantially increased, shifting from 3-5 years in the 90s to the now-prevalent 10+ year warranties. Both warranty types cover parts failing due to manufacturer defects, incurring no additional costs. Some manufacturers provide extended warranties surpassing the usual 15- to 20-year window, though these often involve extra fees. 

The De Kalb Junction, NY 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.