AC Unit Installation
Beat the Sweltering Watertown Summers with Reliable AC Unit Installation Imagine stepping into your home after a scorching day in...
Watertown HVAC Contractor for Heating, AC Repair and Installation
Furnace down or AC blowing warm air? Our NATE-certified HVAC technicians serve Watertown, NY and Jefferson County with same-day heating and cooling repair, central air installation, and 24/7 emergency service. Call (315) 270-1262 for a free, upfront estimate.
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- ABOUT US
Your Local HVAC Contractor in Watertown, NY
Best Heating and Air Conditioning was founded in Watertown over 20 years ago, and we have been keeping North Country homes warm through the winter and cool through the humid summer months ever since. As a family-owned HVAC contractor, we know exactly what Jefferson County weather does to a furnace, a boiler, and a central air unit, and we size and service every system with that in mind. Our business grew on word-of-mouth referrals from satisfied neighbours across Watertown, which is why we lead with honest advice, upfront pricing, and workmanship that holds up. Join the hundreds of Watertown families who count on us for heating and cooling that simply keeps working.
- SERVICES
HVAC Services in Watertown, NY
From AC repair and furnace replacement to duct cleaning, heat pump service, and 24/7 emergency callouts, explore the full range of heating and cooling work we handle across Jefferson County.
Furnace Repair Service
Facing a Broken Furnace in Watertown's Chilly Winters? Imagine waking up on a frosty Watertown morning to a house as...
Duct Cleaning Service
Tired of Dusty Air and Poor Indoor Comfort in Watertown? Living in Watertown means dealing with harsh winters and humid...
More Services (45)
WHY CHOOSE US?
Why we are the best for you
We are committed to providing the best hvac contractor services with experienced professionals, quality materials, and excellent customer support.
24/7 Emergency HVAC Repair
A broken furnace in a Watertown January is an emergency, not an inconvenience. Our on-call technicians answer around the clock and reach most local homes within two hours, backed by a 100% satisfaction guarantee.
NATE-Certified Heating and Cooling Technicians
Every repair and installation is carried out by licensed, insured, NATE-certified technicians using premium parts, so your AC, furnace, or heat pump runs efficiently and quietly for years rather than seasons.
Upfront Pricing, No Hidden Fees
You get a detailed written quote before work begins, with competitive rates on energy-efficient upgrades that cut your Watertown utility bills instead of just replacing the box.
- SERVICE AREAS
HVAC Service Across Watertown and Jefferson County
We cover every neighbourhood in Watertown, NY, including Downtown Watertown, Public Square, the Arsenal District, North Side, South Side, East Side, West End, Knickerbocker, and The Patch. Our service area also reaches nearby communities such as Alexandria Bay, Redwood, Depauville, Felts Mills, Henderson Harbor, Lowville, Boonville, Pulaski, Gouverneur, Oswego, and Fulton. Wherever you are in Jefferson County and the surrounding North Country, we can get a technician to you.
Adams
13605
Adams Center
13606
Alexandria Bay
13607
Arsenal District
13601
Belleville
13611
Black River
13612
Boonville
13309
Brewerton
13029
Brownville
13615
Cape Vincent
13618
Carthage
13619
Castleton
13620
Central Square
13036
Chaumont
13622
Clayton
13624
Constableville
13325
Copenhagen
13618
Croghan
13327
Deferiet
13628
Denmark
13620
Depauville
13632
Dexter
13634
Downtown Watertown
13601
East Side
13601
East Watertown
13601
Ellisburg
13636
Evans Mills
13637
Felts Mills
13638
Fish Creek Landing
13642
Fort Drum
13603
Fulton
13069
Glen Park
13601
Glenfield
13343
Gouverneur
13642
Great Bend
13643
Hammond
13646
Harrisville
13648
Henderson
13650
Henderson Harbor
13651
Knickerbocker
13601
La Fargeville
13656
Lacona
13083
Limerick
13661
Lisbon
13658
Lowville
13367
Lyonsdale
13472
Mexico
13114
Natural Bridge
13665
North Side
13601
North Watertown
13601
Oswego
13126
Parish
13131
Philadelphia
13673
Plessis
13676
Point Vivian
13693
Port Leyden
13433
Public Square
13601
Pulaski
13142
Redwood
13679
Rodman
13682
Rosiere
13678
Saint Lawrence
13674
Sandy Creek
13145
Smithville
13683
South Side
13601
South Watertown
13601
Sterlingville
13649
The Patch
13601
Theresa
13691
Thousand Island Park
13692
Three Mile Bay
13693
Turin
13473
Waddington
13694
Watertown
13601
West Carthage
13619
West End
13601
West Leyden
13489
West Watertown
13601
Can't find your area? Contact us - we may still serve your location!
- BLOGS
Latest Blog & Articles
Stay updated with the latest tips, guides, and news about hvac contractor and home improvement.
Heat Pump Repair vs. Replacement: What Watertown Homeowners Should Know
When a Heating Failure Turns Into a Plumbing Emergency: Frozen and Burst Pipes Explained
Most people think of a furnace breakdown as a comfort problem. In Watertown, in January, it is a...
How to Lower Your HVAC Energy Bills This Summer in Watertown, NY – 7 Proven Tips
As Watertown locals, we know how quickly those humid summer days can turn up the pressure on your...
Boost Indoor Air Quality With These HVAC Hacks
Imagine coming home to a space where every breath feels fresh and invigorating, free from the invisible pollutants...
- FAQS
Frequently Asked Questions
Find answers to common questions about our hvac contractor services below.
In Watertown's challenging climate with cold winters and humid summers, we provide full-spectrum HVAC services including furnace repairs, AC installations, duct cleaning, and heat pump systems. Our experts recommend energy-efficient options like high-SEER units to handle temperature swings effectively, reducing wear and ensuring consistent indoor comfort for your family.
- CONTACT
Book HVAC Service in Watertown Today
Same-day response, upfront pricing, and technicians who arrive when they say they will. Call (315) 270-1262 or request a free estimate online, and we will get your heating or cooling sorted fast.
- FIND US
Our Location
Address
456 Elm Street, Watertown, NYWatertown, NY 13601
USA
Phone
(315) 270-1262Business Hours
Mon - Fri: 8:00 AM - 6:00 PM
Sat: 9:00 AM - 4:00 PM
Emergency: 24/7
- ABOUT US
Your Trusted HVAC contractor Experts in Watertown, NY
Best Heating & Air Conditioning is committed to delivering exceptional hvac contractor services to homeowners and businesses.
HVAC Contractor in Watertown, NY
Best Heating and Air Conditioning is a local HVAC contractor serving Watertown, NY and the wider Jefferson County area. We handle heating and cooling repair, replacement, installation and preventive maintenance for homes and small businesses across the North Country, from Public Square and the Arsenal District out to Alexandria Bay, Lowville and Pulaski.
Heating and Cooling Repair in Watertown
Watertown winters run long and the summers turn humid fast, so your system works hard in both directions. Our technicians diagnose and repair furnaces, boilers, heat pumps and air conditioners, including furnace repair, boiler repair and maintenance and heat pump maintenance. We'll walk you through the diagnosis and the price before any work starts.
Central Air and AC Installation
If your central air unit is getting older or your summer bills keep climbing, a high-SEER replacement can help bring energy costs down. We size every system to the house rather than the rule of thumb, then handle AC unit installation, ductless mini-split service for additions and older homes without ductwork, and smart thermostat integration to keep running costs down.
Emergency HVAC Service
A furnace that quits during a Watertown cold snap is not something that waits until Monday. We offer emergency HVAC repair for Jefferson County homeowners. Call (315) 270-1262 to check availability.
Why Watertown Homeowners Call Us
We know the heating and cooling setups common to homes across Watertown and the North Country, and we work to give you a clear, straightforward quote before starting any job. Reach us at (315) 270-1262.
Locally Owned
Proudly serving Watertown and surrounding communities
20+ Years
Of trusted experience serving our customers
5-Star Rated
Consistently rated 5 stars by our customers
- NATIONWIDE COVERAGE
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