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Reliable Heating & Air Conditioning Co
In homes across Killingworth, a constant challenge is maintaining a …
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Find local pros in Killingworth
Searching for HVAC in Killingworth? Start with 1 active GigoPro listings covering HVAC, HVAC, and more.
Each category page shows live availability, customer ratings, and service details for businesses across Killingworth.
Fresh listings in Killingworth
We highlighted special offers and fresh hvac listings in Killingworth so you can find a pro faster. Every pick has verified reviews, clear terms, and direct contact.
Updates land regularly — worth checking back when you need HVAC, HVAC, or a different kind of pro in Killingworth.
Latest HVAC reviews in Killingworth
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Tony R
Bill is an honest and fair guy, we are going to continue to give him our business.
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Jared Clark
Had the boiler go down in our new house on the coldest night yet. New to the area, we called and Bill came right out and took care of us at 8 pm on a Friday. He did a wonderful job. He gained a new customer for life.
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James Norrie
Had a furnace malfunction yesterday. Was recommended to call Bill from Reliable by my Oil Supplier, BOY were they spot-on! Bill came over, replaced the Nozzle, Electrodes, Fuel Filter and Tank Filter, as well as cleaned everything up and adjusted air/fuel settings. Very thorough, informative and knowledgeable. And, price was very reasonable for a emergency service call. Will definitely recommend Bill and Reliable Heat and AC to anyone!
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Skip Vincelett
We needed to replace our air conditioner unit and wanted to take advantage of the substantial rebates available from Eversource. Bill advised on the technology and recommended the correct equipment to qualify for the rebates. He installed a new heat pump system and air handler and integrated it with our existing hydro air system. Bill was very timely and professional throughout the process.
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Lea Coppola
Bill is truly the best in the business. Professional, thorough, and extremely knowledgeable . He explains in detail what the problem is and the solution for repair. We wouldn’t call anyone else but Reliable Heating & Air Conditioning Co. Second to none!
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J G
Bill came highly recommended by a few neighbors. Today he came for the first time to service our AC system. He was prompt, friendly, very knowledgeable. Found capacitor leads that were at the breaking point, low freon level, fixed both. Also well acquainted with our humidifier and dehumidifier systems. Very pleased. Now on speed dial.
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Jeff Rose
Bill is THE MAN! Had another company tell me my AC system was toast and that I needed to replace the whole thing, but then they weren't getting back to me about quotes and timing. Something felt off and I wanted a second opinion so I called Bill. He came out the same day fixed everything in 3 hours and the system is working better than ever - and it was, obviously, at a fraction of the cost of replacing the whole system. He earned a customer for life today!
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Christopher Courtright
Bill was great to work with. Extremely professional and responsive to my urgent needs. I would highly recommend this business and will continue to use his services. Good communicator and very reasonable pricing.
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Craig DeLeone
We had a problem with our furnace for years that no service technician could diagnose. We had about 5-6 different technicians come service our furnace and each time, they walked away dumbfounded. Bill was here for two hours and gave it a fine tuning, changed out a part or two, and since then...it has been working perfectly. This is why you call someone with experience and I would recommend Bill anytime.
Stats for Killingworth
Local services snapshot for Killingworth: 1 active businesses, led by HVAC with 1 listings.
Tracking 1 categories in Killingworth makes it easier to spot where the most hvac options are right now.
Top pros in Killingworth
Killingworth, CT, is well represented by pros in HVAC. You'll find local Hvac Contractors who handle everything from heating and cooling repairs to system installations. Browse the directory to find reliable services for your home needs.
Verified HVAC in Killingworth, CT
We show only active businesses that pass moderation. Results are specific to Killingworth and nearby service areas, and inactive profiles are removed to keep the list current.
Real reviews for hvac
Ratings and reviews come from customers who used the service. Compare hvac pros in Killingworth by experience, responsiveness, and value before you reach out.
Local-first search in Killingworth
Filter by city and category, check locations on the map, and find providers close to home or work. Listings are refreshed regularly — October 2026.
Homing in on an HVAC issue can be a headache for homeowners in Killingworth, CT. Our listings provide a solution by connecting you to experienced professionals who specialize in heating, ventilation, and air conditioning services.
Trades you can book in Killingworth
HVAC contractors are essential when dealing with temperature control issues. They handle everything from installing new systems to maintaining and repairing existing units, ensuring your home stays comfortably warm or cool as needed throughout the year.
HVAC services may also include ductwork installation, replacement of filters, and system optimization to enhance efficiency. Think about those sweltering summer days or chilly winter nights—HVAC pros are here to make sure your comfort isn’t compromised.
What is on every profile
When searching for a provider, you’ll find detailed information on each HVAC contractor listed. Profiles typically include the company’s name, specialties, contact numbers, and perhaps a brief description of their services. It's crucial to review this before reaching out to ensure they specialize in what you need.
The nearby cities—Deep River, Durham, and Haddam—are covered by the same HVAC providers, which means your search can extend beyond Killingworth if needed. This flexibility ensures that even if an issue arises in a neighboring town, local expertise is still just a call away.
Tips & guides from GigoPro
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Frequently asked questions
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Is GigoPro free to use?
Yes. Browsing businesses, reading reviews, and comparing providers is free for everyone. Business owners can create a basic listing at no cost.
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How do you verify businesses on GigoPro?
Every profile goes through moderation before it appears in search. We check that the business is real, active, and matches the category it claims. For regulated trades, we look for proper credentials, and inactive listings are hidden automatically.
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How do I choose the right contractor?
Start with ratings and recent reviews, then compare the services offered, location, and response time. Contact two or three providers, ask for written estimates, and compare what each quote includes — not just the bottom line.
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Can I list my business on GigoPro?
Yes. Create a free business profile to reach local customers searching for your category. You can update your services, photos, and contact details anytime, and customers can book you directly from your profile.
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How often is the HVAC directory updated?
Business owners update their own profiles. Our team also refreshes hub pages and removes inactive listings to keep search results current. This page, for example, is reviewed and updated monthly.
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How often should I have my air system serviced?
At minimum, once a year — ideally a spring tune-up before cooling season and a fall check-up before heating season. Systems that run year-round, older units, and commercial systems often benefit from professional service twice a year.
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Repair or replacement — how do I decide?
Ask each contractor for both a repair quote and an honest assessment of the unit's remaining life. As a general rule, if a repair costs more than a third of a new system, or your equipment is past its expected lifespan and breaking down repeatedly, replacement is usually the better value. Get two or three opinions before a decision this large.
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Can companies on GigoPro handle emergencies?
Yes — many list emergency and same-day service in their profiles, with stated after-hours policies. Open the profile and check the response-time and availability information before you need it; in a real emergency, filter for companies that explicitly offer 24/7 service.
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How much does service cost?
Costs vary by region, system type, and job — there is no honest single number. Reputable contractors provide written estimates after inspecting the system, and comparing two or three is the best way to understand what your job should cost.
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Can I leave a review after booking through GigoPro?
Yes. After your job is done, you can rate the company and describe your experience. Verified reviews from recent jobs are exactly what helps the next homeowners in your city choose well — and what keeps listed professionals at their best.
Found an inaccuracy in a description?
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