Skip to content
Call Us Today! (860) 535-2552
Call (860) 535-2552
Duncklee Cooling & Heating Logo
  • Home
  • About
    • Our Late Founder

    • Meet The President
    • Our Team
    • Recent Projects
    • Service Areas
    about-menu
    • Payment
    • Service Agreements
    • Environment
    • Refer a Friend
    • Factors to Consider When Selecting a Dealer
    • Inflation Reduction Act
    about-menu
    • Testimonials
    • Google Reviews
    about-menu
    • Awards
    • Press Release
    • Blog
    • Community Involvement
    • Corporate Photos
    • 45th Anniversary
    • 50th Anniversary
    about-menu
    • Membership & Sponsor
    • Donation Request
    about-menu
    • Careers
    about-menu
    • About Duncklee
      • Our Late Founder
      • Meet The President
      • Our Team
      • Recent Projects
      • Service Areas
    • Customer Resources
      • Payment
      • Service Agreements
      • Environment
      • Refer A Friend
      • Factors To Consider When Selecting A Dealer
      • Inflation Reduction Act
    • Reviews
    • News
    • Membership & Sponsor
    • Careers
  • Cooling
    • American Standard

    • York®

    • Cost of Central Air Conditioning?

    york
    • Mitsubishi Ductless Mini Split Air Conditioner
    • Mitsubishi Warranty
    • Mitsubishi Ductless Mini Split Heat Pump & Air Conditioning Cost
    • What Is A Mitsubishi Diamond Contractor?
    cooling split aircon
    • American Standard Heat Pumps
    • YORK® Heat Pumps
    • Mitsubishi Ductless Mini Split Air Conditioner & Heat Pump
    cooling heatpumps
    • American Standard – Commercial Air Conditioning
    • York – Commercial Air Conditioning
    • Mitsubishi Ductless Mini Split Air Conditioner
    commercial cooling
    • Service Repair – Cooling
    service repairs
    • Financing Options
    • Rebates & Incentives
    • Central Air Conditioning
      • American Standard
      • York®
      • Cost of Central Air Conditioning?
    • Mitsubishi Ductless Mini Split Air Conditioner
      • Mitsubishi Ductless Mini Split Air Conditioner
      • Mitsubishi Warranty
      • Mitsubishi Ductless Mini Split Heat Pump & Air Conditioning Cost
      • What Is A Mitsubishi Diamond Contractor?
    • Heat Pumps
      • American Standard Heat Pumps
      • York® Heat Pumps
      • Mitsubishi Ductless Mini Split Air Conditioner & Heat Pump
    • Financing – Rebates & Incentive
      • Financing Options
      • Rebates & Incentives
    • Commercial Cooling
      • American Standard – Commercial Air Conditioning
      • York – Commercial Air Conditioning
      • Mitsubishi Ductless Mini Split Air Conditioner
    • Service Repairs
      • Service
  • Heating
    • American Standard – Heating & Furnaces
    • YORK® – Gas Furnaces
    • Heating – Oil Furnaces
    furnaces
    • Heating – Gas Boilers
    • Heating – Oil Boilers
    tanklessboilers
    • Tankless Water Heaters
    water-heater
    • Heating & Air – Gas Logs
    • YORK®– Heat Pumps
    • American Standard – Heat Pumps
    heat pump - heating
    • Mitsubishi Ductless Mini Split Heat Pump
    • Mitsubishi Warranty
    • Mitsubishi Ductless Mini Split Heat Pump & Air Conditioning Cost
    • What Is A Mitsubishi Diamond Contractor?
    cooling split aircon
    • American Standard – Commercial Heating
    • York – Commercial Heating
    • Mitsubishi Ductless Mini Split Heat Pump
    commercial heating
    • Service Repairs – Heating
    service repairs
    • Financing Options
    • Furnaces
      • American Standard – Heating & Furnaces
      • YORK® – Gas Furnaces
      • Heating – Oil Furnaces
    • Tankless Boilers
      • Heating – Gas Boiler
      • Heating – Oil Boilers
    • Tankless Water Heaters
      • Tankless Water Heaters
    • Gas Logs
      • Heating & Air – Gas Logs
    • Heat Pumps
      • YORK® – Heat Pumps
      • American Standard – Heat Pumps
    • Mitsubishi Ductless Mini Split Heat Pump
      • Mitsubishi Ductless Mini Split Heat Pump
      • Mitsubishi Warranty
      • Mitsubishi Ductless Heat Pump & Air Conditioning Cost
      • What Is A Mitsubishi Diamond Contractor?
    • Commercial Heating
      • American Standard – Commercial Heating
      • York – Commercial Heating
      • Mitsubishi Ductless Mini Split Heat Pump
    • Service Repairs
      • Service Repairs – Heating
    • Financing — Rebates & Incentive
      • Financing Options
      • Rebates & Incentives
  • Indoor Air Quality
    • Humidifiers Heating & Cooling
    indoor-air-quality
    • Ductless
    • Ducted
    indoor-air-quality
    • American Standard
    • Honeywell
    indoor-air-quality
    • Reme Halo
    indoor-air-quality
    • Indoor Air Quality
    indoor-air-quality
    • Programmable Thermostats
    indoor-air-quality
    • Treatment System
    indoor-air-quality
    • Humidifiers
      • Humidifiers Heating & Cooling
    • Integrated Zoning Systems
      • Ductless
      • Ducted
    • Air Cleaners
      • Honeywell
      • American Standard
    • Air Purifiers
      • Reme Halo
    • Service Repair
      • Indoor Air Quality
    • Thermostats
      • Programmable Thermostats
    • UV Treatment System
      • Treatment System
  • Contact us
  • HOME
  • ABOUT
    • ABOUT DUNCKLEE
      • OUR LATE FOUNDER
      • MEET THE PRESIDENT
      • OUR TEAM
      • RECENT PROJECTS
    • CUSTOMER RESOURCES
      • PAYMENT
      • SERVICE AGREEMENTS
      • ENVIRONMENT
      • REFER A FRIEND
      • FACTORS TO CONSIDER WHEN SELECTING A DEALER
      • Inflation Reduction Act
    • REVIEWS
      • TESTIMONIALS
      • GOOGLE REVIEWS
    • NEWS
      • AWARDS
      • PRESS RELEASE
      • BLOG
      • COMMUNITY INVOLVEMENT
      • CORPORATE PHOTOS
      • 45 YEARS ANNIVERSARY
    • MEMBERSHIP & SPONSOR
      • MEMBERSHIP & SPONSOR
      • DONATION REQUEST
  • COOLING
    • Central Air Conditioning
      • American Standard
      • York
      • Cost Of Central Air Conditioning ?
    • Mitsubishi Ductless Mini Split Air Conditioner
      • Mitsubishi Ductless Mini Split Air Conditioner
      • Mitsubishi Warranty
      • Mitsubishi Ductless Mini Split Heat Pump & Air Conditioning Cost
      • What Is A Mitsubishi Diamond Contractor?
    • Heat Pumps
      • American Standard Heat Pumps
      • York Heat Pumps
    • Commercial Cooling
      • American Standard – Commercial Air Conditioning
      • York – Commercial Air Conditioning
      • Mitsubishi Ductless Mini Split Air Conditioner
    • Service Repairs
      • Service Repair – Cooling
    • FINANCING – REBATES & INCENTIVE
      • FINANCING OPTIONS
      • REBATES & INCENTIVES
  • HEATING
    • Furnaces
      • American Standard – Heating & Furnaces
      • York – Gas Furnaces
      • Heating – Oil Furnaces
    • Tankless Boilers
      • Heating – Gas Boilers
      • Heating – Oil Boilers
    • Tankless Water Heaters
      • Tankless Water Heaters
    • Gas Logs
      • Heating & Air – Gas Logs
    • Heat Pumps
      • York – Heat Pumps
      • American Standard – Heat Pumps
    • Mitsubishi Ductless Mini Split Heat Pump
      • Mitsubishi Ductless Mini Split Heat Pump
      • Mitsubishi Warranty
      • Mitsubishi Ductless Mini Split Heat Pump & Air Conditioning Cost
      • What Is A Mitsubishi Diamond Contractor?
    • Commercial Heating
      • American Standard – Commercial Heating
      • York – Commercial Heating
      • Mitsubishi Ductless Mini Split Heat Pump
    • Service Repairs
      • Service Repairs – Heating
    • FINANCING – REBATES & INCENTIVE
      • FINANCING OPTIONS
      • REBATES & INCENTIVES
  • INDOOR AIR QUALITY
    • HUMIDIFIERS
      • Humidifiers Heating & Cooling
    • INTEGRATED ZONING SYSTEMS
      • DUCTLESS
      • DUCTED
    • AIR CLEANERS
      • AMERICAN STANDARD
      • HONEYWELL
    • AIR PURIFIERS
      • REME HALO
    • SERVICE REPAIR
      • INDOOR AIR QUALITY
    • THERMOSTATS
      • PROGRAMMABLE THERMOSTATS
    • UV TREATMENT SYSTEM
      • TREATMENT SYSTEM
  • CONTACT US
SCHEDULE A SERVICE
GET AN ESTIMATE
CONTACT US NOW
GET FINANCED
SCHEDULE A SERVICE
GET AN ESTIMATE
CONTACT US NOW
GET FINANCED
  • maintenance

The Benefits of Consistent HVAC Care

Reduce the Opportunity of a Breakdown The last thing you [...]

By dunckleech|2025-05-14T05:47:49-04:00April 2nd, 2022|Blog|
Read More
  • Couple

Improve HVAC Performance

HVAC performance has a direct impact on your comfort and [...]

By dunckleech|2025-05-14T06:07:56-04:00March 28th, 2022|Blog|
Read More
  • sneezing

Can Ductless AC Help During Allergy Season?

Do you have allergies, respiratory problems or asthma? These conditions [...]

By dunckleech|2025-05-14T06:09:16-04:00February 14th, 2022|Blog|
Read More
  • air-conditioner

Operate Your Ductless Mini Split Smoothly

Ductless mini splits offer versatile home cooling and heating solutions for [...]

By dunckleech|2025-05-14T06:09:45-04:00January 18th, 2022|Blog|
Read More
  • handsome man holding remote control while warming under blanket with pretty girlfriend at home

Cold-Climate Ductless Heat Pumps

Over the last decade ductless heat pumps have come a [...]

By dunckleech|2025-05-14T06:10:12-04:00December 15th, 2021|Blog|
Read More
  • Air Conditioner mini split system next to home with brick wall

Ducted VS. Ductless Mitsubishi Electric Heat Pumps

The amount of homeowners who are switching to Mitsubishi Electric [...]

By dunckleech|2025-05-14T06:10:52-04:00November 15th, 2021|Blog|
Read More
  • Family with cat relaxing by the fire place

What Outside Temperature Is Too Cold for Air Conditioner?

Nowadays almost every home has an air conditioning unit for [...]

By dunckleech|2025-05-14T06:14:25-04:00October 16th, 2021|Blog|
Read More
  • dunckleeinc

What’s Dual Barrier Coating?

Dual barrier coating prevents dust and dirt from accumulating on [...]

By dunckleech|2025-05-14T06:14:53-04:00September 29th, 2021|Blog|
Read More
  • Young repairman fixing a ductless minisplit air conditioning system

Signs That A Ductless Mini-Split AC May Be Right For You

An often-overlooked variety with HVAC is the ductless mini-split, as [...]

By dunckleech|2025-05-14T06:15:31-04:00August 11th, 2021|Blog|
Read More
  • Heating and air conditioning

Reasons Your AC Keeps Shutting Down Randomly

Is your AC shutting down randomly? Well don't worry there [...]

By dunckleech|2025-05-14T06:16:05-04:00July 20th, 2021|Blog|
Read More
Previous234Next

header logo new

logo

296 Taugwonk Rd 
Stonington, CT 06378

(860)535-2552

CTLic# S1-405511
CT Lic# SM1-3770
RI Lic# 8307

STAY CONNECTED

QUICK LINKS

Home
Areas We Service
Blog
Press Release
Financing Options
Rebates & Incentives
Contact Us
Privacy

 

duncklee logo

SERVICES

Cooling
Heating
Indoor Air Quality

WORKING HOURS

Monday – Friday: 8:00 am to 4:30 pm
Saturday – Sunday: Closed

Call Mystic CT
(860) 536 – 2552
Call Stonington CT
(860) 535 – 2552
Call New London CT
(860) 447 – 8484
Call Norwich CT
(860) 886 – 5000
Call Old Saybrook CT
(860) 388 – 5001
Call Westerly RI
(401) 596 – 6655
Website Design by Stratedia | © Copyright | All Rights Reserved | Duncklee Cooling & Heating | HVAC Company Near Me | HVAC Repair Near Me
Accessibility Adjustments

Powered by OneTap

Accessibility Commitment for Duncklee Cooling & Heating

At Duncklee Cooling & Heating, we are committed to making our digital presence as accessible and inclusive as reasonably possible for all users, including individuals with disabilities. Our goal is to improve the usability of dunckleeinc.com and to support a more accessible experience for everyone, regardless of their abilities or the technologies they use.

Our Approach to Accessibility

We aim to align with the Web Content Accessibility Guidelines (WCAG), which define internationally recognized standards for digital accessibility. While full compliance cannot always be guaranteed, we strive to implement improvements where feasible and regularly review accessibility-related aspects of our website. Accessibility is an ongoing process, and we are committed to improving the experience over time as technologies, standards, and user needs evolve.

Accessibility Features

To support accessibility, dunckleeinc.com may utilize tools such as the OneTap accessibility toolbar. This interface provides users with a range of helpful features, including:
  • Adjustable text size and contrast settings
  • Highlighting of links and text for better visibility
  • Full keyboard navigation of the toolbar interface
  • Quick launch via keyboard shortcut: Alt + . (Windows) or ⌘ + . (Mac)
Please note the following:
  • The availability and effectiveness of these features depend on the website's configuration and ongoing maintenance.
  • While we strive to ensure accessibility, we cannot guarantee that every part of dunckleeinc.com will be fully accessible at all times. Some content may be provided by third parties or affected by technical constraints beyond our immediate control.

Feedback and Contact

We welcome your feedback. If you experience any accessibility barriers or have suggestions for improvement, please contact us: Email: jduncklee@dunckleeinc.com We are committed to reviewing all inquiries and aim to respond within 3–5 business days. If you require assistance accessing any part of this website, we are happy to provide support through alternative channels upon request. Last updated: December 9, 2025
How long do you want to hide the toolbar?
Hide Toolbar Duration
Select your accessibility profile
Vision Impaired Mode
Enhances website's visuals
Seizure Safe Profile
Clear flashes & reduces color
ADHD Friendly Mode
Focused browsing, distraction-free
Blindness Mode
Reduces distractions, improves focus
Epilepsy Safe Mode
Dims colors and stops blinking
Content Modules
Font Size

Default

Line Height

Default

Color Modules
Orientation Modules
Google Rating
Based on 256 reviews
CALL NOW