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Denoco Energy Systems - Kingston

HVAC contractor in Kingston, ON.

In Denoco Energy Systems - Kingston's own words

We are a values-driven HVAC, plumbing and energy company. We act with integrity, transparency, and promote health in the Canadian trades. Our model makes every job’s financial performance visible to the team, shares profits fairly, tracks KPIs publicly, and provides opportunities for ownership, personal development, and long-term wealth. We serve clients who demand premium service and are willing to pay for it—and we deliver more than they expect, every time.

Trade
HVAC contractor
Business address
221 Queen St, Kingston, ON K7K 1B4, Canada
Telephone
(613) 777-5475
Website
denoco.com
Hours
  • Monday8:00 am - 3:30 pm
  • Tuesday8:00 am - 3:30 pm
  • Wednesday8:00 am - 3:30 pm
  • Thursday8:00 am - 3:30 pm
  • Friday8:00 am - 3:30 pm
  • SaturdayClosed
  • SundayClosed

From the business's Google listing, checked Oct 2026

Register
ON register

Recorded as supplied and as found in public sources. This register makes no credential or quality claim about any business; check license status with the provincial licensing body.

Google Reviews

5.0 (11)

  • Quick response, friendly service with our water tank replacement. would recommend for the Kingston and loyalist areas! Thank you DENOCO

    Dillon P.

  • Evan was great to deal with, super professional and knowledgeable. Highly recommend their work

    jordan M.

  • Excellent service, explained everything and Evan went above and beyond. Whole team is great and reasonable prices for excellent know how. Will be using them for any heating and cool services that come up

    Darryll M.

  • Professional, knowledgeable, take time to explain why and how to use the device. Fair price. Thank you to installed the heat pump and the water heater.

    Frank G.

  • I am beyond happy with the service Provided by Denoco Very friendly and knowledgable staff I will definitely recommend to friends and family

    Jeff S.

  • The whole team was incredible. It was a massive undertaking that they did with ease. We shopped around for a few different installers in the area and luckily we picked the right one to go with. Highly recommended.

    Ryan K.

  • I had a fantastic experience with Denoco Energy Systems - Kingston! The team was incredibly helpful, and I especially want to give a big thank you to Lucas for his outstanding support.

    SunShine P.

  • Great company. Delivered on their word. Went above and beyond.

    Jean-Luc B.

  • Professional

    Dustin U.

  • Excellent work! Lucas and crew were outstanding. Communication and attention to detail were superb. I highly recommend them and very pleased with the results this past winter.

    Terry W.

  • Amazing service. Very happy with the work that was done. Heat pump has changed my home completely! Wish I had done it sooner.

    Rebecca A.

About Denoco Energy Systems - Kingston

Denoco Energy Systems - Kingston’s heat pump work

Denoco Energy Systems - Kingston names heat pumps among its services. The company also handles central air conditioning, ductless cooling, maintenance memberships, and emergency service for residential and commercial work.

Its website describes a business model centered on transparency, shared financial performance, and opportunities for employee ownership. It also presents plumbing and energy work alongside HVAC services.

Customer feedback and weekday hours

Denoco Energy Systems - Kingston has a 5.0 rating from 11 reviews. Reviewers most often mention quick responses, professional and knowledgeable staff, clear explanations, communication, attention to detail, and heat-pump or water-heater work.

Its hours run Monday through Friday from 8:00 am to 3:30 pm. Saturday and Sunday are closed.

Heating and cooling work in Kingston

Kingston’s 1981-2010 Environment Canada normals show a mean temperature of 7.8°C, an average high of 12.1°C, and an average low of 3.6°C. Denoco Energy Systems - Kingston pairs heat-pump work with central and ductless air conditioning options.

The company also offers maintenance memberships and emergency service.

Services, brands and warranty details come from the company's own website. Ratings, hours and reviews come from Google. Town figures come from Statistics Canada and Environment Canada.

More HVAC contractors in Kingston

About Kingston

Population132,485 (2021)
Average yearly snowfall62.9 inches

Sources: Statistics Canada, 2021 Census. Environment and Climate Change Canada, Canadian Climate Normals 1981-2010.