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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

We're a veteran owned and operated company. We value honesty and integrity in all aspects of our business. We work hard and we are fast and efficient in every project we work on. We offer a variety of Home Improvement services that are customizable to each individual project. We specialize in, but are not limited to, handyman, plumbing, electrical, and HVAC work. We pride ourselves in always being on time and on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships with our clients and guarantee your satisfaction!

Kitchen sink
Kitchen sink
Water meter
Water meter
Water meter

+57

Response time1 day
Recommended by78%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
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Heating and Air Conditioning FAQs, answered by experts

Your heating and cooling systems cost you the most on your electric bill and make up 50% of your bill on average. Your washing machine, dryer, oven, and stove contribute significantly to your electric bill as well. Lights, fans, and smaller electronics add up, but aren’t the biggest energy consumers. You can reduce your power usage by setting optimal temperatures on your thermostat and investing in energy-efficient appliances.

The length of an AC cycle depends on the settings in your thermostat and the unit you have. Central AC doesn't constantly run at full blast the way that a window unit does. A cooling cycle in most homes is 15 to 20 minutes. Then, the unit stays off for seven to 10 minutes to circulate the cold air in the house before the cycle repeats. It should repeat two or three times per hour. A short cycle lasts less than 10 minutes and then turns off.

If you’re planning an AC replacement, choosing an AC with a higher SEER rating may save you money in the long run. Tax credits could cover as much as 30% of the job, and you’ll notice smaller utility bills (particularly if you live in a hot climate where you need to constantly run the AC). Generally, you can expect to pay between $350 and $1,500 for each SEER rating increase. Weigh the cost against your typical utility bill to figure out what’s worth it to you.

It’s not customary to tip HVAC technicians, and most professionals won’t expect it. However, it’s a nice way of showing your appreciation for the work they do, especially if they come out in inclement weather or on a weekend or holiday to fix an emergency issue if your heat or AC goes out in extreme temperatures. A good tip would be between 10% to 20% of the total bill, depending on how above and beyond the tech goes for your repair and on the total cost of your HVAC repair or service. For something like a routine tune-up or scheduled maintenance, tips aren’t expected.

The average life span of an HVAC system is 15 to 20 years. Even if your old air conditioner is still functional, it isn't as energy-efficient as a newer system (especially one with an Energy Star designation). Older HVAC systems aren't as efficient, and the 10-year mark is when you should start making full system replacement plans. Twenty years in, that plan should be well underway rather than waiting for the unit to die.

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.